Grating sentence example

grating
  • The heavy door opened with a grating sound.
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  • The grating iron door made him jump.
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  • He has also shown how to rule a plane surface with lines so disposed that the grating shall of itself give well-focused spectra.
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  • This is the ordinary formula for a reflecting plane grating, and it shows that the spectra are formed in the usual directions.
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  • There is also some uncertainty as to the actual temperature of the grating when in use.
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  • To eliminate the light returned from the hinder surface of an engraved grating, he covered it with a black varnish.
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  • It was formerly the custom in our village, when a poor debtor came out of jail, for his acquaintances to salute him, looking through their fingers, which were crossed to represent the grating of a jail window, "How do ye do?"
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  • His interests in the fiber optic sensors field include fiber optic chemical sensors, and, in particular, fiber grating sensors.
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  • Once you have the horseshoe you may obtain iron coins from beneath the grating - for the shoe is in reality a horseshoe magnet.
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  • A low monotone or a high-pitched voice can be difficult to understand or grating to the ears.
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  • Season the meat sauce with salt and pepper and add some oregano, basil and a grating of nutmeg.
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  • If using the zest, scrub the skin thoroughly and avoid cutting or grating too deeply - the bitter white pith is best avoided.
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  • They lifted the steel grating, pulling back its securing chain like raising a tiny portcullis.
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  • Ian Anderson's voice is so grating, growling his extremely pretentious lyrics.
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  • Since the energy response and spectral resolution of the two grating assemblies differ, separation of the output may be important for some observers.
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  • The deeply grooved surface formed by the highly blazed grating provides a novel route to finding deep cavity resonances with thin structures.
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  • Channels and channels of harsh, grating white noise reverberated through his aching head like a monkey high on coffee.
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  • Comment This contains the width of the mask used to extract the grating spectra from the LE image.
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  • Cross disperser a low dispersion prism or grating separating the various orders of spectra typically in an echelle spectrograph.
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  • The spectrometer more commonly used for astronomical work is the grating spectrometer more commonly used for astronomical work is the grating spectrometer.
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  • These devices work in a different manner to the more familiar grating spectrometer.
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  • No more taunts on my " intellect, " no more menaces of grating public shows!
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  • If the one set of lines exactly bisect the intervals between the others, the grating interval is practically halved, and the previously existing spectra of odd order vanish.
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  • If a retarding plate be now inserted so as to operate upon the pulses which come from one side of the grating, while leaving the remainder unaffected, we have to consider what happens at the focal point chosen.
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  • By introducing the concave grating which (see Diffraction Of Light, § 8) allows US to dispense with all lenses, Rowland produced a revolution in spectroscopic measurement.
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  • It seemed to me that I never had heard the town-clock strike before, nor the evening sounds of the village; for we slept with the windows open, which were inside the grating.
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  • At last my sodden shirt came free from the grating with a damp ripping sound.
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  • The grating substrates have a sagittal radius of 60 cm.
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  • The spectrometer more commonly used for astronomical work is the grating spectrometer.
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  • No more taunts on my " intellect, " no more menaces of grating public shows !
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  • He has a less than endearing personality and ends up grating on other characters due to his tendency to show off and seem important.
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  • The shredding disc is used primarily for grating cheese and shredding vegetables.
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  • This flavorful cheese is not just for grating.
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  • However, silver is a softer metal, so the sound is bright and crisp without being too brash or grating.
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  • Around five and up, grating and peeling are pretty safe (with precautions).
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  • Indirect radiators are placed beneath the floor of the apartment to be heated and give off heat through a grating.
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  • Cesareo; this is a marble altar richly decorated with mosaic in sculptured panels, and (below) two angels drawing back a curtain (all in marble) so as to expose the open grating of the confessio.
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  • He was also the inventor of the diffraction grating.
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  • The best object for examination is a grating of fine wires, about fifty to the inch, backed by a sodium flame.
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  • One of these, of width equal, say, to one-tenth of an inch, is inserted in front of the object-glass, and the telescope, carefully focused all the while, is drawn gradually back from the grating until the lines are no longer seen.
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  • Observing through a telescope with light perpendicularly incident, he showed that the position of any ray was dependent only upon the grating interval, viz.
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  • In different gratings the lengths of the spectra and their distances from the axis were inversely proportional to the grating interval, while with a given grating the distances of the various spectra from the axis were as i, 2, 3, &c. To Fraunhofer we owe the first accurate measurements of wave-lengths, and the method of separating the overlapping spectra by a prism dispersing in the perpendicular direction.
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  • The directions of the lateral spectra are such that the passage from one element of the grating to the corresponding point of the next implies a retardation of an integral number of wave-lengths.
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  • If the grating be composed of alternate transparent and opaque parts, the question may be treated by means of the general integrals (§ 3) by merely limiting the integration to the transparent parts of the aperture.
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  • We conclude that, with a grating composed of transparent and opaque parts, the utmost light obtainable in any one spectrum is in the first, and there amounts to I/wr 2, or about 6, and that for this purpose W a and d must be equal.
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  • The light stopped by the opaque parts of the grating, together with that distributed in the central image and lateral spectra, ought to make up the brightness that would be found in the central image, were all the apertures transparent.
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  • Babinet, the brightness of a lateral spectrum is not affected by an interchange of the transparent and opaque parts of the grating.
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  • In an engraved glass grating there is no opaque material present by which light could be absorbed, and the effect depends upon a difference of retardation in passing the alternate parts.
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  • If it were possible to introduce at every part of the aperture of the grating an arbitrary retardation, all the light might be concentrated in any desired spectrum.
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  • Michelson's ingenious echelon grating constitutes a realization in an unexpected manner of what was thought to be impracticable.
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  • In the case of a reflection grating the same method applies.
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  • Under these circumstances, if the material of the grating be completely transparent, the whole of the light must appear in the direct image, and the ruling is not perceptible.
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  • Then the relative retardation of the extreme rays (corresponding to the edges A, B of the grating) is mnX.
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  • According to our former standard, this gives the smallest difference of wave-lengths in a double line which can be just resolved; and we conclude that the resolving power of a grating depends only upon the total number of lines, and upon the order of the spectrum, without regard to any other considerations.
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  • Let us take the case of a grating 1 in.
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  • The advantage of approximate bisection lies in the superior brilliancy of the surviving spectra; but in any case the compound grating may be considered to be perfect in the longer interval, and the definition is as good as if the bisection were accurate.
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  • Let us suppose that the light is incident perpendicularly, and that the grating interval increases from the centre towards that edge which lies nearest to the spectrum under observation, and decreases towards the hinder edge.
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  • It is evident that the waves from both halves of the grating are accelerated in an increasing degree, as we pass from the centre outFIG.
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  • A linear error in the spacing, and a general curvature of the lines, are eliminated in the ordinary use of a grating.
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  • In the present application 4' is not necessarily equal to; but if P correspond to a line upon the grating, the difference of retardations for consecutive positions of P, so far as expressed by the term of the first order, will be equal to mX (m integral), and therefore without influence, provided v (sin 0-sin0') = nzX (11), where a denotes the constant interval between the planes containing the lines.
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  • The grating at A and the eye-piece at 0 are rigidly attached to a bar AO, whose ends rest on carriages, moving on rails OQ, AQ at right angles to each other.
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  • Rutherfurd introduced into common use the reflection grating, finding that speculum metal was less trying than glass to the diamond point, upon the permanence of which so much depends.
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  • The earliest is that of Quincke, who coated a glass grating with a chemical silver deposit, subsequently thickened with copper in an electrolytic bath.
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  • The metallic plate thus produced formed, when stripped from its support, a reflection grating reproducing many of the characteristics of the original.
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  • The use of a grating is very convenient, for not only are there several spectra in view at the same time, but the dispersion can be varied continuously by sloping the grating.
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  • In larger plant the upper ends of the sluices are often cut in rock or lined with stone blocks, the grating stopping the larger stones being known as a " grizzly."
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  • If we compare the spectrum produced by refraction in a glass prism with that of a diffraction grating, we find not only that the order of colours is reversed, but also that the same colours do not occupy corresponding lengths on the two spectra, the blue and violet being much more extended in the refraction spectrum.
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  • If the sodium is only gently heated, so as to produce a comparatively rarefied vapour, and a grating spectroscope employed, the spectrum obtained is like that shown in fig.
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  • The parallelism, which is required to avoid aberrations, otherwise introduced by the prism or grating, may often be omitted in instruments of small power.
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  • If on emergence the different portions he brought together at the focus it is obvious that the optical action must be in every respect similar to that of a grating when the nth order of spectrum is considered.
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  • The optical effect as regards resolving power is the same as with a grating of N lines in the nth order, but, nearly all the light not absorbed by the glass may be concentrated in one or two orders.'
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  • Interpolation is easy in the case of all observations taken with a grating.
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  • The resolving power in the case of gratings is simply mn, where m is the order of spectrum used, and n the total number of lines ruled on the grating.
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  • Lyman more recently has been able to obtain photographs as far down as 1030 A with the help of a concave grating placed in vacuo.
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  • In grating spectroscopes both plane and concave gratings are employed in connexion with a collimator and observing telescope.
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  • In the vertical shaft there is first of all a grating which intercepts solid matters, and then, lower down, a central valve which can be opened and closed at pleasure from the top of the shaft.
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  • No one is now allowed to see it, though the box in which it lies can be seen or touched through a grating in the little chapel that surrounds it.
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  • If the ore is in pieces of the size of a walnut Or upwards, it is roasted in plain" kilns "or" burners,"provided with a grating of suitable construction for the removal of the cinders, with a side door in the upper part for charging in the fresh ore on the top of the partially burned ore, and with an arch-shaped roof, from which the burnergas is carried away in a flue common to a whole set of kilns.
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  • The polarization of the light reflected from a glass grating has also been investigated by I.
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  • The name was derived from a space in the chancery, surrounded by a grating, in which the officials sat, which is called higher or lower (major or minor) according to the proximity of the seats to that of the vice-chancellor.
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  • If a grating is placed as object before the microscope objective, Abbe showed that in the image there is intermittent clear and dark banding only, if at least two consecutive diffraction spectra enter into the objective and contribute towards the image.
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  • If a resolvable grating is considered, the diffraction phenomenon has the appearance shown in fig.
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  • This is a so-called cross grating formed by two perpendicular gratings.
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  • Most important are the fine structures of diatoms such as Surirella gemma and Amphipleura pellucida or artificial fine divisions as in a Nobert's grating.
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  • I am currently using grating and plaid stimuli to investigate the spatial frequency tuning of the motion aftereffect.
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  • The new cavity configuration allowed tuning of the laser continuously over 25 nm of the erbium gain bandwidth by using a bulk diffraction grating.
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  • But the tunable diffraction grating could raise it by about 100 percent.
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  • The Star Analyzer 100 is a high efficiency 100 lines/mm transmission diffraction grating, blazed in the first order.
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  • This involves everything from chopping the gherkins to grating the cheese.
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  • Ian Kirkman has now taken delivery of a new low energy grating for beamline 1.1.
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  • One of my few minor qualms is that the vocals in the screamed passages can get a little grating on some tracks.
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  • The scattered light is analyzed using a double grating monochromator followed by a single grating monochromator followed by a single grating spectrometer.
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  • Question 5 A student finds an old, unmarked diffraction grating in a cupboard.
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  • The light exiting the echelle grating then enters a three lens objective where it is focussed onto a detector array.
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  • Do not allow food scraps from the sink waste to build up over the gully grating.
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  • A total of 24 sources were observed with one or both transmission grating spectrometers, from which 19 gave a useful spectrum.
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  • In dry weather the well will be seen to consist of a circular iron grating with water below.
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  • If w now relate to the edge of the grating, on which there are altogether n lines, no- = 2a sin w, and the value of the last term in (I o) becomes no- sin 3w sin O'tan 0', - 1 1 - 6 mnX sin' w tan 0'.
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  • The grating would in any case retain its utility for the reference of new lines to standards otherwise fixed.
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  • In the Thies process, used in many districts in the United States, the vats are rotating barrels made, in the later forms, of iron lined with lead, and provided with a filter formed of a finely perforated leaden grating running from one end of the barrel to the other, and rigidly held in place by wooden frames.
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  • Then suddenly the grating sound of a harsh voice was heard from the other side of the door, and the officer--with pale face and trembling lips--came out and passed through the waiting room, clutching his head.
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  • The railings in fact do for sound what a diffraction grating does for light.
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  • If, further, on leaving the grating the light be received by a focusing lens, e.g.
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  • If we now suppose half the grating cut away, so as to leave 1000 lines in half an inch, the dispersion will not be altered, while the brightness and resolving power are halved.
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  • A rectangular trough of boards, whose dimensions depend chiefly on the size of the planks available, is set up on the higher part of the ground at one side of the claim to be worked, upon trestles or piers of rough stone-work, at such an inclination that the stream may carry off all but the largest stones, which are kept back by a grating of boards about 2 in.
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