Experiment sentence example

experiment
  • I shut down my experiment at six o'clock.
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  • Quinn's experiment is very important to him.
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  • If chemical compounds can be proved by experiment to obey these laws, then the atomic theory acquires a high degree of probability; if they are contradicted by experiment then the atomic theory must be abandoned, or very much modified.
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  • We updated him on our experiment but his mind was elsewhere.
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  • You will be glad to hear that my experiment is working out finely.
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  • I shut off all my equipment at six o'clock when my experiment expires.
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  • This book, her first mature experiment in writing, settles the question of her ability to write.
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  • Let's do a thought experiment about this.
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  • Briicke also brought forward an experiment of great importance, in which he showed that gum mastic, precipitated from an alcoholic solution poured into a large quantity of water, scatters light of a blue tint.
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  • A similar experiment had been tried in France not without success.
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  • The experiment is, in fact, much improved by passing the primary light through a coloured glass.
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  • The experiment was interesting, but of course came to little.
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  • For once, she hoped Ully's oddball experiment didn.t let her down.
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  • Was she really a one night stand and science experiment he enjoyed toying with, like she told Damian?
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  • I can't shut down the experiment until six PM tomorrow night.
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  • How could youths better learn to live than by at once trying the experiment of living?
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  • I thought, however, that the advantage she would derive would not repay her for the time and labour that such an experiment would cost.
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  • They agree very well with experiment, and require us to suppose that the vibrations are perpendicular to the plane of polarization.
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  • Thomsen by direct experiment found that the heat-capacity of a dilute aqueous solution diverged in general less than i per cent.
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  • But neither temperament nor training allowed her to make her pupil the object of any experiment or observation which did not help in the child's development.
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  • Having learned from experiment and argument that a stone falls downwards, a man indubitably believes this and always expects the law that he has learned to be fulfilled.
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  • Following on this he made an interesting experiment, using Morse's method, to connect the Isle of Wight telegraphically with the mainland, by conduction across the Solent in two places, during a temporary failure of the submarine cable in 1882 in that channel.
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  • In 1831 Wheatstone by his " magic lyre" experiment showed that, when the sounding-boards of two musical instruments are connected together by a rod of pine wood, a tune played on one will be faithfully reproduced by the other.
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  • We are the subjects of an experiment which is not a little interesting to me.
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  • It must be conceded as no small merit in Lydgate that, in an age of experiment he should have succeeded so often in hitting the right word.
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  • Similarly, if we know by experiment the composition of water and of ammonia, we can predict the probable composition of the oxides of nitrogen.
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  • As with other duplex systems it is possible to obtain several approximately correct adjustments with the bridge and its accessories, but only one gives a true balance, and careful experiment is required to make sure that this is obtained.
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  • It is not possible to determine with exactitude the precise function discharged by each part of the wing, but experiment tends to show that the tip of the wing elevates, the posterior margin propels, and the root sustains.
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  • His interesting experiment is described at length, and the apparatus figured in Nicolson's Journal, 1800, p. 172.
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  • I had the previous winter made a small quantity of lime by burning the shells of the Unio fluviatilis, which our river affords, for the sake of the experiment; so that I knew where my materials came from.
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  • At La Carlota the Spanish government established a station for the study of the culture of sugar-cane; by the American government this has been converted into a general agricultural experiment station, known as "Government Farm."
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  • On the shores of the Gulf St Vincent, again, from 1835 to 1837, South Australia was created by another joint-stock company, as an experiment in the Wakefield scheme of colonization.
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  • The temperature of the water at the commencement of the experiment was 60° Fahr., and after two horses had turned the lathe for 22 hours the water boiled.
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  • In the next experiment the air was compressed as before, and then allowed to escape through a long lead tube immersed in the water of a calorimeter, and finally collected in a bell jar.
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  • It was found possible to exchange speech when the conditions were exceptionally favourable; but in spite of the partial success of the experiment, a public service between the two capitals is not at present practicable.
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  • The weakness of the government in dealing with the strike riots caused a feeling of profound dissatisfaction, and the so-called experiment of liberty, conducted with the object of conciliating the extreme parties, proved a dismal failure.
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  • In an experiment on 3500 grams of paraffin produced from shale (melting point 44'5° C.) they obtained nearly 4 litres of liquid hydrocarbons, which they subjected to fractional distillation, and on examining the fraction distilling below loo° C., they found it to consist mainly of olefines.
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  • Before 1905 the state provided for higher education by the Florida State College, at Tallahassee, formerly the West Florida Seminary (founded in 1857); the University of Florida, at Lake City, which was organized in 1903 by enlarging the work of the Florida Agricultural College (founded in 1884); the East Florida Seminary, at Gainesville (founded 1848 at Ocala); the normal school (for whites) at De Funiak Springs; and the South Florida Military Institute at Bartow; but in 1905 the legislature passed the Buckman bill abolishing all these state institutions for higher education and establishing in their place the university of the state of Florida and a state Agricultural Experiment Station, both now at Gainesville, and the Florida Female College at Tallahassee, which has the same standards for entrance and for graduation as the state university for men.
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  • The Federal government has an agricultural experiment station at Mayaguez.
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  • The second half of the 17th century witnessed remarkable transitions and developments in all branches of natural science,and the facts accumulated by preceding generations during their generally unordered researches were re placed by a co-ordination of experiment and deduction.
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  • In his Sceptical Chemist (1662) he freely criticized the prevailing scientific views and methods, with the object of showing that true knowledge could only be gained by the logical application of the principles of experiment and deduction.
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  • The former experiment had been performed by Scheele and Priestley, who had named the gas " phlogisticated air "; Lavoisier subsequently named it oxygen, regarding it as the " acid producer " (OE, sour).
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  • Still, till the last Berzelius remained faithful to his original theory; experiment, which he had hitherto held to be the only sure method of research, he discarded, and in its place he substituted pure speculation, which greatly injured the radical theory.
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  • Experiment, however, showed that while the quotient on the left hand of this equation was fairly constant for a great number of substances, yet its value was not gR but 7 R; this means that the critical density is, as a general rule, 3.7 times the theoretical density.
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  • By experiment it is found that the thermal effect of a double bond is much less than the effect of two single bonds, while a triple bond has a much smaller effect than three single bonds.
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  • From supersaturated solutions the form unstable at the temperature of the experiment is, as a rule, separated, especially on the introduction of a crystal of the unstable form; and, in some cases, similar inoculation of the fused substance is attended by the same result.
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  • The experiment of arming the native Egyptians on a large scale does not seem to have been made before the campaign of 217, when Ptolemy IV.
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  • A regiment of the Indian army was recruited among them, but the experiment proved a failure, and the Moplah Rifles were disbanded in April 1907.
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  • Morse's petition for a patent was soon followed by a petition to Congress for an appropriation to defray the expense of subjecting the telegraph to actual experiment over a length sufficient to establish its feasibility and demonstrate its value.
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  • A state sugar experiment station is maintained at Audubon Park in New Orleans, its work embracing the development of seedlings, the improvement of cane varieties, the study of fungus diseases of the cane, the improvement of mill methods and the reconciliation of such methods (for example, the use of sulphur as a bleaching and clarifying agent) with the requirements of " pure food " laws.
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  • Hundreds of varieties have been tested by the state and federal agricultural experiment stations.
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  • A central agricultural experiment station (founded 1904) is maintained by the government at Santiago de las Vegas; but there is no agricultural college, nor any special school for the scientific teaching and improvement of sugar and tobacco farming or manufacture.
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  • In Havana, also, there is a school of painting and sculpture, a school of arts and trades, and a national library, all of which are supported or subventioned by the national government, as are also a public library in Matanzas, and the Agricultural Experiment Station at Santiago de las Vegas.
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  • Accordingly, every treatise on applied mathematics, properly so-called, is directed to the criticism of the "laws" from which the reasoning starts, or to a suggestion of results which experiment may hope to find.
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  • Thus if it calculates the result of some experiment, it is not the experimentalist's well-attested results which are on their trial, but the basis of the calculation.
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  • It was in 1845 he made the now famous experiment of Walden.
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  • For such an experiment, though hampered by continual insurrections within Policy in and troubles without, Mahmud had done some- Turkey.
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  • Though the experiment with this engine was successful, the design was abandoned by the pasha, and Belzoni resolved to continue his travels.
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  • In October 1908, at a special election, the security franchise was invalidated, and this seemed to have the effect of dissolving the lease held by the Municipal Traction Co., and of ending the city's experiment in operating (indirectly) the street car lines.
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  • At Amherst is also the MassachusettsAgricultural College (co-educational; 1867) and experiment station (1887).
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  • Experiment showed that the latter prediction was what happened.
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  • He used two kinds of experiment, but it will be sufficient here to indicate the second.
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  • Experiment has revealed the existence of systems in which these phenomena are displayed.
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  • An experiment in government by decree had been made in May - October 1894; it was repeated in September 1905, when the king consented to prorogue the cortes until January 1906 in order to postpone discussion of the terms upon which the tobacco monopoly was to be allocated.
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  • In a striking form of the experiment, the water is contained, to the depth of perhaps one inch, in a large flat dish, and the operative part of the surface is limited by a flexible hoop of thin sheet brass lying in the dish and rising above the water-level.
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  • When the circumstances of the experiment are such that the reservoir is influenced by the shocks due to the impact of the jet, the disintegration usually establishes itself with complete regularity, and is attended by a musical note (Savart).
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  • In order to carry out the experiment the jet is caused to issue from an elliptical orifice in a thin plate, about 2 mm.
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  • Divination of this sort, therefore, may be due to observation and experiment of a rude sort, rather than to the unchecked play of fancy which resulted in heteroscopic divination.
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  • This statement can be readily verified by experiment both with natural and artificial wings.
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  • That the weight of the body plays an important part in the production of flight may be proved by a very simple experiment.
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  • That the wings invariably strike forwards during the down and up strokes in aerial flight is proved alike by observation and experiment.
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  • This is a very striking experiment.
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  • This is a matter of experiment.
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  • He concerned himself above all with what fell within the range of exact inquiry, and left to others the larger but less fruitful speculations which can never be brought to the direct test of experiment.
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  • The results give equations of the same logarithmic form as those obtained in a somewhat different manner in the theory of concentration cells described above, and have been verified by experiment.
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  • In Africa it seems probable that the production of rubber from vines is likely to be entirely superseded in process of time, and replaced by the plantations of trees which are already being established in those districts in which careful experiment has determined the kind of rubber tree best adapted to the locality.
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  • The success of the method cannot yet be judged, but the experiment is one which deserves very full trial.
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  • Grenfell, M.P., with the object of reintroducing this fish into the river, and in April 1901 and on subsequent occasions a number of young salmon were placed at Teddington by way of experiment.
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  • Two obvious methods of experiment have been tried.
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  • Apart altogether from the facts that this investigation is still in its infancy and that the conditions of experiment are insufficiently understood, its ultimate success is rendered highly problematical by the essential fact that real scientific results can be achieved only by data recorded in connexion with a perfectly nortnal subject; a conscious or interested subject introduces variable factors which are probably incalculable.
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  • This experiment suggested to Faraday the conception of ' r,?
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  • This experiment proves that the condition of magnetization is not confined to those parts where polar phenomena are exhibited, but exists throughout the whole body of the magnet; it also suggests the idea of molecular magnetism, upon which the accepted theory of magnetization is based.
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  • Demagnetization by Reversals.-In the course of an experiment it is often desired to eliminate the effects of previous magnetization, and, as far as possible, wipe out the magnetic history of a specimen.
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  • The magnetic condition assumed by a piece of ferromagnetic metal in different circumstances is determinable by various modes of experiment which may be classed as magnetometric, ballistic, and traction methods.
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  • The specimen upon which an experiment is to be made generally consists of a wire having a " dimensional ratio " of at least 300 or goo; its length should be rather less than that of the magnetizing coil, in order that the field Ho, to which it is subjected, may be approximately uniform from end to end.
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  • Let s be the area of a single turn of the standard coil, n the number of its turns, and r the resistance of the circuit of which the coil forms part; and let S, N and R be the corresponding constants for a coil which is to be used in an experiment.
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  • After pointing out that, since the magnetization of the metal is the quantity really concerned, W is more appropriately expressed in terms of I, the magnetic moment per unit of volume, than of B, he suggests an experiment to determine whether the mechanical work required to effect the complete magnetic reversal i Phil.
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  • An experiment by Ewing showed that by the operation of stretching an annealed iron wire beyond the limits of elasticity the permeability under a magnetizing force of about 3 units was reduced by as much as 75%.
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  • The actual experiment to which it relates was carried only as the point marked X, corresponding to a magnetizing force of 65, and an induction of nearly 17,000.
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  • The full line shows the result of an experiment in which the magnetizing force was carried up to 585,1 FIG.
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  • Little or no change of length was observed until the strength of the field Ho reached about 50; then the rod began to contract, and after passing a minimum at Ho= 000, recovered its original length at Ho = 750; beyond this point there was extension, the amount of which was still increasing fast when the experiment was stopped at Ho= 1400.
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  • Taylor Jones showed in 1897 that only a small proportion of the contraction exhibited by a nickel wire when magnetized could be accounted for on Kirchhoff's theory from the observed effects of pulling stress upon magnetization; and in a more extended series of observations Nagaoka and Honda found wide quantitative divergences between the results of experiment and calculation, though in nearly all cases there was agreement as to quality.
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  • In the same paper Nagaoka and Honda describe an important experiment on the effect of transverse stress.
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  • Now nickel contracts instead of lengthening when it is magnetized, and an experiment by Knott showed, as he expected, that caeteris paribus a nickel wire twists in a sense opposite to that in which iron twists.
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  • The results of a typical experiment are given in the annexed table, which shows how greatly the hysteresis loss is diminished as the critical temperature is approached.
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  • Observations were also made of the changes of permeability which took place as the temperature of the sample slowly rose from - 186° to 15°, the magnetizing force being kept constant throughout an experiment.
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  • The critical temperature (if there is one) was not reached in Faraday's experiment; possibly even the temperature of -250 C., which by the use of liquid hydrogen has now become accessible, might still be too high.
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  • He considers that Hall's is the fundamental phenomenon, and that the Nernst effect is essentially identical with it, the primary electromotive force in the case of the latter being that of the Thomson effect in the unequally heated metal, while in the Hall experiment it is derived from an external source.
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  • Nickel was believed by Thomson to behave oppositely to iron, becoming negative when magnetized; but though his conclusion was accepted for nearly fifty years, it has recently been shown to be an erroneous one, based, no doubt, upon the result of an experiment with an impure specimen.
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  • Owing to the difficulty of determining the magnetization I and the susceptibility K with accuracy, it has not yet been possible to submit this formula to a quantitative test, but it is said to afford an indication of the results given by actual experiment.
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  • In one case the hysteresis loss per cubic centimetre per cycle was 16,100 ergs for B =1 5,900, and only 1200 ergs for B = 20,200, the highest induction obtained in the experiment; possibly it would have vanished before B had reached 21,000.2 These experiments prove that actual friction must be almost entirely absent, and, as Baily remarks, the agreement of the results with the previously suggested deduction affords a strong verification of Ewing's form of the molecular theory.
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  • There are strong reasons for believing that magnetism is a phenomenon involving rotation, and as early as 1876 Rowland, carrying out an experiment which had been proposed by Maxwell, showed that a revolving electric charge produced the same magnetic effects as a current.
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  • Careful experiment and observation, not the inner consciousness, are, he insists, the only foundations of true science.
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  • The experiment of republican government had proved so discreditable, and had so wearied the country of cabals, that men hitherto known for their sympathy with democratic principles became more monarchical than the regent himself; and under this influence a movement to give the regency into the hands of the princess Donna Januaria, now in her 18th year, was set on foot.
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  • Richard Chevenix (1774-1830), a chemist, having bought some of the substance, decided after experiment that it was not a simple body as claimed, but an alloy of mercury with platinum, and in 1803 presented a paper to the Royal Society setting forth this view.
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  • Substitution takes place usually in the nucleus and only rarely in the side chain, and according to the conditions of the experiment and the nature of the compound acted upon, one or more nitro groups enter the molecule.
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  • Several different products may be obtained by the reduction of the aromatic nitro compounds, the substances formed in any particular case depending on the conditions of experiment.
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  • This short-lived experiment, which inspired the muse of Vodnik, the first Slovene poet of real mark, had its aftermath in the Illyrian movement of the forties, which centred in Zagreb, the Croatian capital.
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  • The active search for knowledge by means of observation and experiment found its natural home in the universities.
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  • In the 17th century the lovers of the new philosophy, the investigators of nature by means of observation and experiment, banded themselves into academies or societies for mutual support and intercourse.
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  • Outside the scientific world an immense mass of observation and experiment had grown up in relation to this subject.
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  • But, as applied to lower and more obscure forms of life, teleology presented alfnost insurmountable difficulties; and consequently, in place of exact experiment and demonstration, the most reckless though ingenious assumptions were made as to the utility of the parts and organs of lower animals.
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  • Having obtained a first hybrid generation, he allowed the hybrids to self-fertilize, and recorded the result in a large number of instances (a thousand or more) as to the number of individuals in the first, second, third and fourth generations in which the character selected for experiment made its appearance.
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  • The record of Brown-Sequard's original experiment is not satisfactory, and the subsequent attempts to obtain similar results have not been attended with success.
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  • The very cases which are advanced as only to be explained on the Lamarckian assumption are found on examination and experiment to be better explained, or only to be explained, by the Darwinian principle.
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  • In experiment under ordinary circumstances it makes no difference whether the collecting lens is in front of or behind the diffracting aperture.
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  • An interesting modification of the experiment may be made by using light of various wave-lengths.
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  • Theory and experiment alike prove that a double line, of which the components are equally strong, is better resolved when, for example, one-sixth of the horizontal aperture is blocked off by a central screen; or the rays quite at the centre may be allowed to pass, while others a little farther removed are blocked off.
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  • In illustration of this fact a simple experiment may be mentioned.
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  • The experiment is easily made on a laboratory scale, with a small source of light, the rays from which, in their course towards a rather distant screen, are disturbed by the neighbourhood of a heated body.
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  • Expressions suitable for discussion when v is large were obtained 1 In experiment a line of light is sometimes substituted for a point in order to increase the illumination.
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  • Foiled by the valour of the citizens, they sailed away and harried the coast from Essex to Hampshire. !Ethelred now resorted to the old experiment and bought them off for £16,000 and a promise of supplies.
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  • Milner, anxious above everything else to obtain sufficient revenue to carry on his work of reconstruction, gave his consent to the experiment.
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  • We see now that the practice of the experimental method endows with a new vision both the experimenter himself and, through his influence, those who are associated with him in medical science, even if these be not themselves actually engaged in experiment; a new discipline is imposed upon old faculties, as is seen as well in other sciences as in those on which medicine more directly depends.
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  • The use of such explosives decreases to some extent the danger from dust explosions; but experiment shows that no efficient explosive is absolutely safe, if used in excessive quantity, or in an improper manner.
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  • Maxwell illustrates the difference between a soft solid and a hard liquid by a jelly and a block of pitch; also by the experiment of supporting a candle and a stick of sealingwax; after a considerable time the sealing-wax will be found bent and so is a fluid, but the candle remains straight as a solid.
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  • An experiment was devised by Lord Kelvin for demonstrating this, in which the difference of steadiness was shown of a copper shell filled with liquid and spun gyroscopically, according as the shell was slightly oblate or prolate.
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  • On this view, multiple scolices are, therefore, not buds, but an example of the unlocalized organization of the embryo such as occurs in other groups of animals, and is demonstrated by experiment.
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  • It has been found by experiment that plants need for their nutritive process and their growth, certain chemical elements, namely, carbon, hydrogen, oxygen, nitrogen, sulphur, phosphorus, potassium, magnesium, calcium and iron.
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  • It has been found by experiment that the nitrogen needed by practically all farm crops except leguminous ones is best supplied in the form of a nitrate; the rapid effect of nitrate of soda when used' as a top dressing to wheat or other plants is well known to farmers..
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  • Very slight differences in climate appear to cause very great differences in the quality of the tobacco, and ordinary meteorological records are of little use in determining the suitability or not of a region for a particular kind of leaf; this essential point must be determined by experiment.
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  • After discussing the structure of the eye he gives an experiment in which the appearance of the reversed images of outside objects on a piece of paper held in front of a small hole in a darkened room, with their forms and colours, is quite clearly described and explained with a diagram, as an illustration of the phenomena of vision.
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  • He describes an experiment made by a Benedictine monk and architect, Dom Papnutio or Panuce, of the same kind as Leonardo's but without the demonstration.
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  • Savonarola, perceiving that a trap was being laid for him, discountenanced the "experiment" until his calmer judgment was at last overborne by the fanaticism of his followers.
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  • It has departments of agriculture, engineering and science, a library of 15,000 volumes and an experiment station.
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  • Experiment showed, however, that instead of only potash appearing at the negative electrode, hydrogen is also liberated; this is inexplicable by Berzelius's theory, but readily explained by the " hydrogen-acid " theory.
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  • For nearly three years, however, he was enabled to study and to experiment in verse without any active pressure or interruption from his family - three precious years in which the first phase of his art as a writer of idylls and bucolics, imitated to a large extent from Theocritus, Bion and the Greek anthologists, was elaborated.
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  • And the metrical vehicle which he conceived as the only one adequate to his great theme was a rude experiment, which was ultimately developed into the stately Virgilian hexameter.
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  • This experiment proves that when a charged body acts by induction on an insulated conductor it causes an electrical separation to take place; electricity of opposite sign is drawn to the side nearest the inducing body, and that of like sign is repelled to the remote side, and these quantities are equal in amount.
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  • He remarks that ” the law according to which the motive power of heat varies at different points of the thermometric scale is intimately connected with that of the variations of the specific heats of gases at different temperatures - a law which experiment has not yet made known to us with sufficient exactness."
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  • Joule (1845) was the first to prove it approximately by direct experiment, but did not see his way to reconcile Carnot's principle, as stated by Clapeyron, with the mechanical theory.
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  • It is found by experiment that the change of pv with pressure at moderate pressures is nearly proportional to the change of p, in other words that the coefficient d(pv)/dp is to a first approximation a function of the temperature only.
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  • This test was applied by Joule in the well-known experiment in which he allowed a gas to expand from one vessel to another in a calorimeter without doing external work.
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  • Joule failed to observe any change of temperature in his apparatus, and was therefore justified in assuming that the increase of intrinsic energy of a gas in isothermal expansion was very small, and that the absorption of heat observed in a similar experiment in which the gas was allowed to do external work by expanding against the atmospheric pressure was equivalent to the external work done.
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  • It is easy to arrange the experiment so that U is small and nearly constant.
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  • Putting d0/dp=A/0 2 in equation (15), and integrating on the assumption that the small variations of S could be neglected over the range of the experiment, they found a solution of the type, v/0 =f(p) - SA /30 3, in which f(p) is an arbitrary function of p. Assuming that the gas should approximate indefinitely to the ideal state pv = R0 at high temperatures, they put f(p)=Rip, which gives a characteristic equation of the form v= Re/p - SA /30 2 .
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  • At higher densities it is probable that more complex aggregates would be formed, so that as the effect of the collisions became more important c would cease to be a function of the temperature only; experiment, indeed, shows this to be the case.
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  • The first experiment he made with this new organism was brilliantly successful.
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  • It is almost universally found, in cases of successful experiment, that the glass ball, for example, takes a milky or misty aspect, that it then grows black, reflections disappearing, and that then the pictures emerge.
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  • It has not been found possible to determine, before experiment, whether any given man or woman will prove capable of the hallucinatory experiences.
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  • In fact, some Oriental scenes and descriptions of incidents were corroborated by a letter from India which arrived just after the experiment; and the same thing happened when the events described were occurring in places less remote.
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  • On one occasion a curious set of incidents were described, which happened to be vividly present to the mind of a sceptical stranger who chanced to be in the room during the experiment; events unknown to the inquirer in this instance.
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  • Perhaps from five to ten minutes is a long enough time for the experiment.
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  • He ought not, of course, to be told more than that he is to descry the inquirer's thoughts, and there ought never to be physical contact, as in holding hands, between the inquirer and the scryer during the experiment.
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  • A regulation excluding Maltese from the navy (because of their speaking on board a language that their officers did not understand) provoked from Trinity College, Cambridge, the Strickland correspondence in The Times on the constitutional rights of the Maltese, and a leading article induced the Colonial Office to try an experiment known as the Strickland-Mizzi Constitution of 1887.
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  • One of these problems, illustrated by experiment, deals with an ingenious mode of propelling vessels by the reaction of water ejected from the stern.
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  • The volume u may be determined by repeating the experiment when only air is in the cup. In this case v =o, and the equation becomes (u --al l) (h - k') =uh, whence u = al' (h - k l) /k'.
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  • The chief errors to which the stereometer is liable are (I) variation of temperature and atmospheric pressure during the experiment, and (2) the presence of moisture which disturbs Boyle's law.
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  • To complete the experiment, the graduated tube containing the expelled air is brought to a constant and determinate temperature and pressure, and this volume is the volume which the given weight of the substance would occupy if it were a gas under the same temperature and pressure.
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  • Similarly in the case of the weighing in water, account must be taken of the buoyancy of the weights, and also, if absolute densities be required, of the density of water at the temperature of the experiment.
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  • Lord Kelvin's experiment with a current of gas forced through a porous plug is also given.
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  • But the experiment was not altogether successful, and Temple himself advised its abandonment in 1855.
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  • The Agricultural Experiment Station, at Newark, publishes in its Annual Report a record of temperature and rainfall.
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  • The state established a university at Iowa City in 1847, a State Agricultural College and Model Farm in 1858 (opened at Ames in 1869 as the Iowa State College of Agriculture and the Mechanic Arts), an Agricultural Experiment Station in 1887, an Engineering Experiment Station in 1904, and a normal school at Cedar Falls in 1876.
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  • In the following table are given the values of the diameters of the molecules of six substances with which it is easy to experiment in the gaseous state, these values being calculated in different ways from formulae supplied by the kinetic theory.
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  • The famous experiment with the kite, proving lightning an electrical phenomenon, was performed by Franklin in June 1752.
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  • Census (alternating with Federal census), and reports and bulletins of the Board of Agriculture (1852) and the Agricultural College (1867), and Experiment Station (1883) at Amherst.
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  • Armstrong resigned his position in 1863, and for seventeen years the government adhered to the older method of loading, in spite of the improvements which experiment and research at Elswick and elsewhere had during that period produced in the mechanism and performance of heavy guns.
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  • After a visit to England, in 1842, he started with two English associates, Charles Lane and Henry C. Wright, at "Fruitlands," in the town of Harvard, Massachusetts, a communistic experiment at farm-living and nature-meditation as tending to develop the best powers of body and soul.
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  • In vain Edward Gibbon Wakefield, organizer of colonizing associations, prayed and intrigued for permission to repeat in New Zealand the experiment tried by him in South Australia.
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  • Up to January 1891 the Conservative forces which overthrew Sir George Grey in 1879 controlled the country in effect though not always in name, and for ten years progressive legislation was confined to a mild experiment in offering crown lands on perpetual lease, with a right of purchase (1882), a still milder instalment of local option (1881) and an inoffensive Factories Act (1886).
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  • The experiment of applying responsible government on party lines to the two Canadian provinces at last seemed to have come to a deadlock.
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  • Bach's sonatas; then the medium itself began to suggest wider horizons and new possibilities of treatment; his position at Eisenstadt enabled him to experiment without reserve; his genius, essentially symphonic in character, found its true outlet in the opportunities of pure musical structure.
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  • The State College of Washington (1890) at Pullman, for instruction in agriculture, mechanical arts and natural sciences, includes an agricultural college, an experiment station and a school of science.
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  • The experiment is usually performed, in a more striking manner, with a bell-jar and a number of small light wooden balls suspended by silk strings to a fixed frame above the jar, so as to be just in contact with the widest part of the glass.
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  • Thus in the air-pump experiment, before exhaustion it travels through the glass of the receiver and the base plate.
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  • In an experiment described by Rayleigh such a wheel provided with four armatures was used to determine the exact frequency of a driving fork known to have a frequency near 32.
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  • In the mercury experiment the sounding rod was sealed into the dust-tube, which was exhausted of air, and contained only some mercury and some quartz dust to give the heaps.
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  • This experiment may be varied by holding the fork over a glass jar into which water is poured to such a depth that the air-column within reinforces the note of the fork when suitably placed, and then turning the fork round.
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  • The paper failed in less than three weeks, the printers losing only $50 or $60 by the experiment.
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  • At the same time in 794, as a fresh experiment in policy, every third man was transported; while the king was assisted in his work of conquest by the Abotrites who inhabited a district east of the Elbe.
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  • Launhardt found that, for stresses always of the same kind, F = (t-u)/(t-fmax.) approximately agreed with experiment.
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  • But the theory of such a combined structure could not be formulated at that time, and it was proved, partly by experiment, that a simple tubular girder of wrought iron was strong enough to carry the railway.
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  • A third experiment took the form of distributing over many backs a burden too heavy for one.
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  • The question was repeatedly raised as to why the prime minister did not take advantage of this patriotic spirit to obtain a corresponding parliamentary demonstration; but it had surprised him, as it had many, and he shrank from the serious responsibility which would have resulted if the experiment had turned out badly; the aged Emperor's need of quiet, and the conviction that the Reichsrat, if summoned ad hoc, would, as for so long before, be of no active use, also played their part.
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  • The leading state institutions are the state university (1882) at Vermilion, the agricultural college (1884) and the agricultural experiment station at Brookings, the state school of mines (1886) at Rapid City, and normal schools at Spearfish, Madison, Aberdeen and Springfield.
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  • Educational facilities are also furnished by the state through university and school of mines at University, near Grand Forks, normal schools (opened in 1890) at Valley City and Mayville, an agricultural college and experiment station (1890) at Fargo, a normal and industrial school (opened in 1899) at Ellendale, a school for the deaf (1890) at Devils Lake, a scientific school (opened in 1903) at Wahpeton, and a school of forestry at Bottineau.
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  • Mayer entirely ignored the grand fundamental principle laid down by Sadi Carnot - that nothing can be concluded as to the relation between heat and work from an experiment in which the working substance is left at the end of an operation in a different physical state from that in which it was at the commencement.
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  • Newton himself, however, endeavoured to account for gravitation by differences of pressure in an aether; but he did not publish his theory, ` because he was not able from experiment and observation to give a satisfactory account of this medium, and the manner of its operation in producing the chief phenomena of nature.'
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  • Before 1868 Maxwell conducted the experiment by sending light from the illuminated cross-wires of an observing telescope forward through the object-glass, and through a train of prisms, and then reflecting it back along the same path; any influence of convection would conspire in altering both refractions, but yet no displacement of the image depending on the earth's motion was detected.
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  • The nature of the motion, if any, that is produced in the surrounding regions of the aether by the translation of matter through it can be investigated by optical experiment.
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  • It has in fact been found, with the very great precision of which optical experiment is capable, that all terrestrial optical phenomenareflexion, refraction, polarization linear and circular, diffraction - are entirely unaffected by the direction of the earth's motion, while the same result has recently been extended to electrostatic forces; and this is our main experimental clue.
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  • This statement constitutes the famous hypothesis of Fresnel, which thus ensures that all phenomena of ray-path and refraction, and all those depending on phase, shall be unaffected by uniform convection of the material medium, in accordance with the results of experiment.
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  • His responsibility for the disastrous experiment of the national workshops he himself denied in his Appel aux honnetes gens (Paris, 1849), written in London after his flight; but by the insurgent mob of the 15th of May and by the victorious Moderates alike he was regarded as responsible.
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  • In many cases pollen has no effect on the stigma of the same flower, the plants are selfsterile, in other cases external pollen is more effective (pre-potent) than pollen from the same flower; but in a very large number of cases experiment has shown that there is little or no difference between the effects of external pollen and that from the same flower.
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  • Experiment showed that legitimate unions yield a larger quantity of seed than illegitimate.
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  • As a first result of experiment it was found that the resistance of similar shot was proportional, at the same velocity, to the surface or cross section, or square of the diameter.
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  • It is further assumed, as the result of experiment, that the resistance is proportional to the density of the air; so that if the standard density changes from unity to any other relative density denoted by then R= Td 2 p, and is called the coefficient of tenuity.
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  • By means of a well-chosen value of n, determined by a few experiments, it is possible, pending further experiment, with the most recent design, to utilize Bashforth's experimental results carried out with old-fashioned projectiles fired from muzzle-loading guns.
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  • These functions, T, S, D, 1, A, are shown numerically in the following extract from an abridged ballistic table, in which the velocity is taken as the argument and proceeds by an increment of 10 f/s; the column for p is the one determined by experiment, and the remaining columns follow by calculation in the manner explained above.
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  • The thermochemical properties of the constituents of an explosive will assign an upper limit to the volume, temperature and pressure of the gas produced by the combustion; but much experiment is required in addition.
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  • The Maryland Agricultural College, to which an experiment station has been added, was opened in 1859; it is at College Park in Prince George's county, and is largely under state management.
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  • His bent for science showed itself while he was still a schoolboy, and indeed his removal from Eton to Harrow is said to have been occasioned by an accidental explosion which occurred whilst he was performing an experiment for his own amusement.
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  • Thus, for instance, if an experiment were made with a Leclanche cell, and if the balancing-point were found to be at 1500 divisions on the scale, the electromotive force would be determined as I 50o volts.
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  • The island was destined to become the scene of a curious social experiment.
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  • He left nothing in doubt if experiment would decide it, and he evidently did not consider that he had fully investigated any compound until he could both unmake and remake it.
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  • This parochial machinery enabled him to make a singularly successful experiment in dealing with the problem of poverty.
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  • In an experiment similar to that here represented, Newton made a small hole in the screen and another small hole in a second screen placed behind the first.
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  • In the first place experiment has shown that biting-flies, other in all probability than the true, natural hosts, may at times transmit the parasites - as it were - accidentally, if, after feeding on an infected animal, they are allowed to bite a fresh one within a limited time.
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  • Dry farming has been successfully carried on at an experiment farm, established in 1906, 12 m.
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  • By 1834 his originality and resource in experiment were fully recognized, and he was appointed professor of experimental philosophy at King's College, London, in that year.
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  • As a bulwark against the Spanish, the colony was successful, but as an economic experiment it was a failure.
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  • Several of the largest and finest sugar estates in the world are situated in the vicinity, including the Soledad (with a botanical experiment station maintained by Harvard University), the Terry and others - most of them connected with the city by good driveways.
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  • An important experiment by C. Gunther 2 seems however to show that the radiation of metallic salts in a flame has an intensity equal to that belonging to it in virtue of its temperature.
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  • Experiment (c) is, however, generally taken to mean that this closeness of packing cannot be the sole determining cause, for it is argued that if a closed vacuum tube can show both wide and narrow lines according to the mode of discharge, density alone cannot account for the change.
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  • We have first the Doppler effect, which, according to Michelson's experiment, is the chief cause of the limit at very low pressures, but it is too small to account for the widening which is now under discussion.
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  • We therefore should expect a band in place of the line, which is the case, but our calculation is not able to give the displacement of the most intense portion, which is what we require for comparison with experiment.
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  • The experiment proves only the transparency of the gases experimented upon, and this is confirmed by the fact that bodies like bromine and iodine give on heating an emission spectrum corresponding to the absorption spectrum seen at ordinary temperatures.
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  • A few bananas and (especially from Oahu) pineapples of fine quality are exported; since 1901 the canning of 3 The entomological department of the Hawaii Experiment Station undertakes " mosquito control," and in 1905-1906 imported top-minnows (Poeciliidae) to destroy mosquito larvae.
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  • Tobacco of a high grade, especially for wrappers, has been grown at the Agricultural Experiment Station's farm at Hamakua, on the island of Hawaii, where the tobacco is practically " shade grown " under the afternoon fogs from Mauna Kea.
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  • Cotton and silk culture have been experimented with on the islands; and the work of the Hawaiian Agricultural Experiment Station is of great value, in introducing new crops, in improving old, in studying soils and fertilizers and in entomological research.
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  • The method of measuring the horizontal component which is almost exclusively used, both in fixed observatories and in the field, consists in observing the period of a freely suspended magnet, and then obtaining the angle through which an auxiliary suspended magnet is deflected by the magnet used in the first part of the experiment.
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  • In the case of the Kew pattern unifilar the same magnet that is used for the declination is usually employed for determining H, and for the purposes of the vibration experiment it is mounted as for the observation of the magnetic meridian.
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  • When making the deflection experiment the magnetometer is arranged as shown in fig.
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  • During the experiment the mirror magnet is protected from draughts by two wooden doors which slide in grooves.
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  • When conducting a deflexion experiment the de flecting magnet K is placed with its centre at 30 cm.
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  • In the deflexion experiment, in addition to the induction correction, and that for the effect of temperature on the magnetic moment, a correction has to be applied for the effect of temperature on the length of the bar which supports the deflexion magnet.
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  • The first experiment which he has recorded was the construction of a voltaic pile with seven halfpence, seven disks of sheet zinc, and six pieces of paper moistened with salt water.
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  • Davy to the laboratory of the Royal Institution to make an experiment.
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  • This was his first successful experiment.
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  • On the 3rd of November a new horseshoe magnet came home, and Faraday immediately began to experiment on the action in the polarized ray through gases, but with no effect.
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  • The following day he repeated an experiment which had given no result on the 6th of October.
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  • In 1609 and 1619 Kepler published his new laws of planetary motion, which were subsequently shown by Newton to agree with the results obtained by experiment for the motion of terrestrial bodies.
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  • It is found that this gives a consistent result; that is to say, if by an experiment with two particles A and B we get the ratio of their masses, and by an experiment with B and a third particle C we get the ratio of the masses of B and C, and thus the ratio of the masses of A and C, we should get the same ratio by a direct experiment with A and C. For the numerical measure of mass that of some standard body is chosen as a unit, and the masses of other bodies are obtained by comparison with this.
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  • Masses of terrestrial bodies are generally compared by weighing; this is found by experiment to give a correct result, but it is applicable only in the neighbourhood of the earth.
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  • He repeated this experiment three times; but each time he found that they all returned to their former condition, the rich becoming still richer and the poor still poorer.
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  • Equilibrium requires that the available energy and therefore the area of contact should be a minimum, as is demonstrated in Plateau's beautiful experiment, where a large drop of oil is placed in a liquid of equal density and a perfect sphere is formed.
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  • Such, a concordance between theory and experiment not only verifies the accuracy of thermodynamic reasoning as applied to dilute solutions, but gives perhaps one of the most convincing experimental verifications of the general validity of thermodynamic theory which we possess.
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  • They merely show that, in the conditions of the particular experiments, the thermodynamic equilibrium value of the osmotic pressure cannot be reached - the thermodynamic or theoretical osmotic pressure (which must be independent of the nature of the membrane provided it is truly semi-permeable) is a different thing from the equilibrium pressure actually reached in a given experiment, which measures the balance of ingress and egress of solvent through an imperfect semi-permeable membrane.
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  • At the limit of dilution, when the concentration of a solution approaches zero, we have seen that thermodynamical theory, verified by experiment, shows that the osmotic pressure has the same value as the gas pressure of the same number of molecules in the same space.
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  • But for any theory of solution to be tenable, it must at least be consistent with the known thermodynamic relations, verified as those relations are by experiment.
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  • Further experiment only brought out more clearly the diversity of the gases hitherto assumed to be identical.
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  • I therefore made an experiment to determine whether the whole of a given portion of the phlogisticated air of the atmosphere could be reduced to nitrous acid, or whether there was not a part of a different nature to the rest which would refuse to undergo that change.
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  • In one experiment, specially undertaken for the sake of measurement, the total air employed was 9250 c.c., and the oxygen consumed, manipulated with the aid of partially deaerated water, amounted to 10,820 c.c. The oxygen contained in the air would be 1942 c.c.; so that the quantities of atmospheric nitrogen and of total oxygen which enter into combination would be 7308 c.c. and 12,762 c.c. respectively.
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  • Experiment has confirmed this anticipation.
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  • A similar explanation may apply to C. Correns's experiment, in which he crossed white Mirabilis jalapa with a yellow form, and always obtained redflowered offspring.
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  • The university received the Federal grants under the Morrill acts of 1862 and 1890, and in connexion with it the Vermont agricultural experiment station is maintained.
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  • His first experiment with his newly organized army was successful.
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  • The advantage to the fly of its deceptive resemblance to the bee is theoretically perfectly evident and practically can be demonstrated by experiment.
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  • By observation and experiment it was discovered independently by Messrs Bates, Wallace and Bell that they are not attacked by birds nor by many other enemies that prey upon unprotected Lepidoptera.
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  • The results of this experiment with the baboon and of those with the birds are precisely what would be expected if the theory of mimicry is true.
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  • He found that a South African drongo (Dicrurus (Buchanga) assimilis) was rejected after one or two attempts to eat it by a hungry mongoose (Herpestes galera) which had been starved for purposes of the experiment.
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  • The extension of this idea to substances in general necessarily led him to the law of combination in multiple proportions, and the comparison with experiment brilliantly confirmed the truth of his deduction" (A New View, &c., pp. 50, 51).
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  • Wdhler repeated the experiment at Göttingen in 1827, employing potassium alone as the reducing agent, he obtained it in the metallic state for the first time.
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  • St Claire Deville, accidentally and in ignorance of Wohler's later results, imitated the 1845 experiment.
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  • The selection of suitable stocks is a matter still requiring much scientific experiment.
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  • The result of the constitutional experiment hardly justified the royal expectations; the parliament was hardly opened (February 5th, 1819) before the doctrinaire radicalism of some of its members, culminating in the demand that the army should swear allegiance to the constitution, so alarmed the king, that he appealed to Austria and Germany, undertaking to carry out any repressive measures they might recommend.
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  • The experiment has been tried of rearing rare, wild, fur-bearing animals in captivity, and although climatic conditions and food have been precisely as in their natural environment, the fur has been poor in quality and bad in colour, totally unlike that taken from animals in the wild state.
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  • Neither of these methods could be applied in this experiment.
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  • The method of Forbes (in which the conductivity is deduced from the steady distribution of temperature on the assumption that the rate of loss of heat at each point of the bar is the same as that observed in an auxiliary experiment in which a short bar of the same kind is set to cool under conditions which are supposed to be identical) is well known, but a consideration of its weak points is very instructive, and the results have been most remarkably misunderstood and misquoted.
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  • The discrepancies are chiefly due to the error of the fundamental assumption that the rate of cooling is the same at the same temperature under the very different conditions existing in the two parts of the experiment.
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  • They are also partly caused by the large uncertainties of the corrections, especially those of the mercury thermometers under the peculiar conditions of the experiment.
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  • In this case the curve representing the distribution of temperature is a parabola, and the conductivity k is deduced from the mean rise of temperature (R-R°)/aR° by observing the increase of resistance R-R° of the bar, and the current C. It is also necessary to measure the cross-section g, the length 1, and the temperature-coefficient a for the range of the experiment.
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  • The idea of the pressure of the air and the invention of the instrument for measuring it were both new when he made his famous experiment, showing that the height of the mercury column in a barometer decreases when it is carried upwards through the atmosphere.
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  • This experiment was made by himself in a tower at Paris, and was carried out on a grand scale under his instructions by his brother-in-law Florin Perier on the Puy de Dome in Auvergne.
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  • Baille about 1870 a repetition of Cavendish's experiment for determining the mean density of the earth, his original work was mainly concerned with.
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  • The experiment was repeated year after year till 1867, when the barrage cracked right across from foundation to top. A massive coffer-dam was then erected, covering the eleven arches nearest the crack; but the work was never trusted again, nor the water-surface raised more than about 3 ft.
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  • If the experiment was successful the table would rotate with considerable rapidity, and would occasionally rise in the air, or perform other movements.
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  • C. i treats of the finding of good water; c. 2 of rainwater and rivers - rivers in various countries; c. 3 of hot springs, mineral waters, with an account of the chief medicinal springs of the world; c. 4 of selection of water by observation and experiment; c. 5 of instruments for levelling used by aqueduct engineers; c. 6 of construction of aqueducts, pipes of lead, clay, &c., and other matter on the subject of water-supply.
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  • Nevertheless the experiment succeeded.
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  • As an experiment the police is now a voluntary service, except in Alexandria and Cairo, for which cities peasants are conscripted for the police under army conditions.
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  • Experiment shows that in the manlike (anthropoid) apes the differentiation of the foci or "centres" of movement in the motor field of the cortex is even more minute.
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  • The success of this first experiment encouraged the emperor to attempt the more difficult enterprise of simplifying and digesting the older law contained in the treatises of the jurists.
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  • The experiment of Engelmann referred to deserves to be mentioned here, if only in illustration .of the use to which algae have been put in the study of physiological problems. Engelmann observed that certain bacteria were motile only in the presence of oxygen, and that they retained their motility in a microscopic preparation in the neighbourhood of an algal filament when they had come to rest elsewhere on account of the exhaustion of oxygen.
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  • He found that these places corresponded closely with the region of the absorption band for the algae under experiment.
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  • Meanwhile, in London, the earl of Lauderdale, once a fervent Covenanter, was secretary for Scotland, had the king's ear, and would have restored presbytery, at least by way of experiment.
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  • In the second place, it has been urged, particularly by de Vries, that experiment and observation have shown that the possible range of fluctuating variation is strictly limited.
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  • It is well known that some races and some organs in plants and animals are extremely variable, and that others are much less variable, and further, that whilst some of these differences may be due to intrinsic causes, others can be modified by experiment.
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  • Dahlgren's guns were first mounted in a vessel named the "Experiment," which cruised under his command from 1857 till 1859.
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  • Many distinguished compositions appeared in its pages, but it gradually languished, and was given up after a year's experiment.
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  • Associated with the University are the State Laboratory of Natural History, the State Water Survey, the State Geological Survey, the State Entomologist's Office, and Agricultural and Engineering Experiment Stations.
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  • The University publishes Bulletins of the Agricultural and Engineering Experiment Stations; Reports of the State Water Survey, of the State Natural History Survey, of the State Geological Survey, and of the State Entomologist's Office; University Studies; and The Journal of English and Germanic Philology.
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  • The experiment was a failure; Bahrdt, never at ease under the strict discipline maintained by von Salis, resigned in 1777, and the school was closed.
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  • The whole system of Telesio shows lacunae in argument, and ignorance of essential facts, but at the same time it is a forerunner of all subsequent empiricism, scientific and philosophical, and marks clearly the period of transition from authority and reason to experiment and individual responsibility.
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  • C. Armstrong was carrying on an educational experiment, and he developed the night school, which became one of the most important features of the institution.
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  • When abroad he sought out varieties of grasses, trees, rice and olives for American experiment, and after his return from France received yearly for twenty-three years, from his old friend the superintendent of the Jardin des plantes, a box of seeds, which he distributed to public and private gardens throughout the United States.
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  • And by his own labours he had vindicated his faith in the experiment of self-government.
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  • The success of this experiment led to the extension of coffee cultivation into the neighbouring tract of Manjarabad, also in Mysore, and into the Wynaad subdivision of the Madras district of Malabar.
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  • The inverting telescope, composed of two, convex lenses, was a later invention; still it is not impossible that the original experiment was made with two convex lenses.
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  • But, having ascertained by experiment that for all colours of light the angle of incidence is equal to the angle of reflexion, he turned his attention to the construction of reflecting telescopes.
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  • After much experiment he selected an alloy of tin and copper as the most suitable material for his specula, and he devised means for grinding and polishing them.
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  • Like a practical man, Dollond at once put his doubts to the test of experiment, confirmed the conclusions of Klingenstierna, discovered" a difference far beyond his hopes.
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  • The Russian experiment of maintaining the integrity of Turkey while practically treating her as a vassal state, ended with the compromise of 1841; and the emperor Nicholas I.
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  • This can be roughly estimated by observing the rate of change of temperature before and after the experiment, and assuming that the loss of heat is directly proportional to the duration of the experiment and to the average excess of temperature.
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  • It is also very important to keep the surrounding conditions as constant as possible throughout the experiment.
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  • This is generally calculated by assuming values for the specific heats of the materials obtained by experiment between loo° C. and 20° C. Since the specific heats of most metals increase rapidly with rise of temperature, the values so obtained are generally too high.
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  • Each experiment lasted about forty minutes, and the rise of temperature produced was nearly 3° C. The calorimeter contained about 5 kilogrammes of water, so that the rate of heat-supply was about 6 calories per second.
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  • The Subsequent Correction, Though Not Carried Out Strictly Under The Conditions Of The Experiment, Showed That The Order Of Accuracy Of His Work About The Middle Of The Range From 15° To 25° Was At Least T In Moo, And Probably I In 2000.
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  • He Also Made A Special Experiment To Find How Much The Temperature Of The Wire Exceeded That Of The Liquid Under The Conditions Of The Experiment.
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  • The Range Of Temperature In Each Experiment Was 14° To 26° C. The Rate Of Rise Was Observed With A Mercury Thermometer Standardized By Comparison With A Platinum Thermometer Under The Conditions Of The Experiment.
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  • The Duration Of An Experiment Was About Ten Minutes, And The Product Of The Mean Current And The Time, Namely Ct, Was Measured By The Weight Of Silver Deposited In A Voltameter, Which Amounted To About 0.56 Gramme.
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  • The Conditions Of Use Of A Mercury Thermometer In A Calorimetric Experiment Are Necessarily Different From ' Those Under Which Its Corrections Are Determined, And This Difference Must Inevitably Give Rise To Constant Errors In Practical Work.
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  • There Can Be No Doubt That The Range To° To 20° Is Too Low For The Accurate Thermal Regulation Of The Conditions Of The Experiment.
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  • In September 1833 he ordered the public deposits in the bank to be transferred to selected local banks, and entered upon the "experiment" whether these could not act as fiscal agents for the government, and whether the desire to get the deposits would not induce the local banks to adopt sound rules of currency.
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  • Beccaria did much, in the way both of experiment and exposition, to spread a knowledge of the electrical researches of Franklin and others.
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  • The persimmon attains perfection, and experiment has proved the suitability of the climate to many foreign fruits.
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  • The ministration to sense, aided by observation and experiment.
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  • The ministration to memory, aided by registering and arranging the data, of observation and experiment in tables of instances of agreement, difference and concomitant variations.
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  • Physical science remains dialectical, and a physical experiment is as rare in the age of Lucretius as in that of Empedocles.
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  • He echoes the cry for recourse to nature, for induction, for experiment.
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  • If more than one, recourse is to be had to certain devices of method, in the enumeration of which the methods of agreement, difference and concomitant variations3 find a place, beside the crucial experiment, the glaring instance and the like.
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  • Omitting the second it may be truly said that the order of agricultural development has been mainly one of blind experiment or fortuitous circumstances.
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  • The experiment of state-prepared text-books was expensive, and its effect was bad on the public school system, as such text-books were almost without exception poorly written and poorly printed.
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  • Experiments undertaken in India by two independent inquiries appeared to confirm the view, and their conclusions, together with the data on which they were based, were submitted with the report of the commission for examination and further experiment to the Lister Institute in London.
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  • In other cases the safety of the joint against displacement by sliding depends on its power of exerting friction, and that power depends on the law, known by experiment, that the friction between two surfaces bears a constant ratio, depending on the nature 01 the surfaces, to the force by which they are pressed together.
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  • Starting from an experiment, narrated by Priestley, in which John Warltire fired a mixture of common air and hydrogen by electricity, with the result that there was a diminution of volume and a deposition of moisture, Cavendish burnt about two parts of hydrogen with five of common air, and noticed that almost all the hydrogen and about one-fifth of the common air lost their elasticity and were condensed into a dew which lined the inside of the vessel employed.
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  • In another experiment he fired, by the electric spark, a mixture of hydrogen and oxygen (dephlogisticated air), and found that the resulting water contained nitric acid, which he argued must be due to the nitrogen present as an impurity in the oxygen ("phlogisticated air with which it [the dephlogisticated air] is debased").
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  • Further, remarking that little was known of the phlogisticated part of our atmosphere, and thinking it might fairly be doubted "whether there are not in reality many different substances confounded together by us under the name of phlogisticated air," he made an experiment to determine whether the whole of a given portion of nitrogen (phlogisticated air) of the atmosphere could be reduced to nitric acid.
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  • His last chemical paper, published in 1788, on the "Conversion of a mixture of dephlogisticated and phlogisticated air into nitrous acid by the electric spark," describes measures he took to authenticate the truth of the experiment described in the 1785 paper, which had "since been tried by persons of distinguished ability in such pursuits without success."
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  • Experiment stations in connexion with the college are maintained at different points.
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  • In July 1808 Davy laid a request before the managers of the Royal Institution that they would set on foot a subscription for the purchase of a specially large voltaic battery; as a result he was provided with one of 2000 pairs of plates, and the first experiment performed with it was the production of the electric arc light between carbon poles.
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  • One form which this experiment took was that of rotating a copper disk between the poles of a powerful electric magnet.
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  • He discovered a function, which has been called the potential of one circuit on another, from which he deduced a theory of induction, completely in accordance with experiment.
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  • It is, he says, the procedure from one experiment to another, and it is not a science but an art or learned sagacity (resembling in this Aristotle's lyxivoca), which may, however, be enlightened by the precepts of the Interpretatio.
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  • An experiment made by Professor Hodges of Belfast on 7770 lb of air-dried flax yielded the following results.
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  • Snow-Harris found that this charge varied as the square root of the weight in the opposite pan, thus showing that the 1 It is probable that an experiment of this kind had been made as far back as 1746 by Daniel Gralath, of Danzig, who has some claims to have suggested the word " electrometer " in connexion with it.
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  • His master, Buraeus, had written a few Swedish hexameters by way of experiment.
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  • Although the emperor's experiment was short-lived podestas soon became general in northern Italy, making their appearance in most communes about 1200.
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  • The experiment by which Hoek conclusively proved the change of sex in the oyster was as follows.
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  • Until 1899 all the customs were farmed out (1898-1899 for 300,000),, but in March of that year the farm system was abolished in the two provinces of Azerbaijan and Kermgnshh, and, the experiment there proving successful, in all other provinces in the following year.
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  • The twist or surface-shear being proportional to the torque, the horse-power can be calculated if the modulus of rigidity of the steel employed is known or if the amount of twist corresponding to a given power has previously been ascertained by direct experiment on the shaft before it has been put in place.
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  • The testing of ideas by observation and experiment which was begun in anatomy by Vesalius.
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  • If a horse be chosen for the experiment, a considerable quantity of blood may be withdrawn without injuring the animal.
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  • The experiment was one of the practical manifestations of the spirit of "Transcendentalism," in New England, though many of the more prominent transcendentalists took no direct part in it.
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  • The experiment was abandoned in the autumn of 1847.
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  • The experiment failed, and only two cottages now remain as curiosities.
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  • An agricultural experiment station is maintained here by the Cuban government.
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  • Under his rule the experiment was fairly successful, but the married colonists afterwards became a privileged caste, subsisting upon the labour of their slaves, and often disloyal to their rulers.
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  • Joao de Castro (q.v.) and the Colloquios of Garcia de Ortamen who deserted books for experiment and manifested a new interest in the physical world.
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  • We may regard it as a physical fact established by experiment in the same way as the laws of the elasticity of solid bodies.
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  • In like manner we may by experiment ascertain the general fact that the surface of a liquid is in a state of tension similar to that of a membrane stretched equally in all directions, and prove that this tension depends only on the nature and temperature of the liquid and not on its form, and from this as a secondary physical principle we may deduce all the phenomena of capillary action.
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  • In both theories the equation of the liquid surface is the same, involving a constant H, which can be determined only by experiment.
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  • It is found by experiment that it is only very close to the bounding surface of a liquid that the forces arising from the mutual action of its parts have any resultant effect on one of its particles.
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  • As an experiment on the angle of contact only gives us the difference of the surface-tensions at the solid surface, we cannot determine their actual value.
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  • So far the results of Laplace's hypothesis are in marked accordance with experiment; but if we follow it out further, discordances begin to manifestthemselves.
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  • The systematic use of dialogue as an independent literary form is commonly supposed to have been introduced by Plato, whose earliest experiment in it is believed to survive in the Lathes.
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  • The State Agricultural College and Experiment Station (1888) is at Logan.
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  • This picture, the world-famous "Cenacolo" of Leonardo, has been the subject of much erroneous legend and much misdirected experiment.
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