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radioactivity

radioactivity

radioactivity Sentence Examples

  • The study of radioactivity was pursued with great ability not only by the Curies and A.

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  • Curie, regarding radioactivity - i.e.

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  • The radioactivity is denoted by A, and A = signifies that the potential of the dissipation apparatus fell I volt in an hour per metre of wire introduced.

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  • It requires a radium salt of high radioactivity to be at all comparable in effectiveness with a good water-dropper.

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  • In connexion with the modern study of radioactivity, the electroscope has become an instrument of great usefulness, far outrivalling the spectroscope in sensibility.

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  • Turning to the study of radioactivity, he noticed its association with the minerals which yield helium, and in support of the hypothesis that that gas is a disintegration-product of radium he proved in 1903 that it is continuously formed by the latter substance in quantities sufficiently great to be directly recognizable in the spectroscope.

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  • This research opened a way of approach to the phenomena of radioactivity, and the history of the steps by' hich P. Curie and Madame Curie were finally led to the discovery of radium is one of the most fascinating chapters in the history of science.

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  • The study of radium and radioactivity led before long to the further remarkable knowledge that these so-called radioactive materials project into surrounding space particles or corpuscles, some of which are identical with those projected from the cathode in a high vacuum tube, together with others of a different nature.

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  • He was distinguished as the discoverer of radioactivity, having found in 1896 that uranium at ordinary temperatures emits an invisible radiation which in many respects resembles Rntgen rays, and can affect a photographic plate after passing through thin plates of metal.

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  • (For the significance of this fact see Radioactivity.) The richest known source is thorianite, which consists mainly of thorium oxide, and contains 9.5 cc. of helium per gram.

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  • No distinct relationship has yet been established between potential gradient and radioactivity.

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  • The Priestly Code (Leviticus and allied passages) seems to confine the efficacy 2 Rutherford, Radioactivity.

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  • curies of radioactivity.

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  • The waste contains some 20.5 million curies of radioactivity.

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  • Radioactivity The phenomenon whereby atoms undergo spontaneous random disintegration, usually accompanied by the emission of radiation.

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  • Radioactivity The property of radionuclides of spontaneously emitting ionizing radiation.

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  • The leakage a d in the pursued radioactivity Ernest.

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  • Radioactivity is a major concern where plasterboard is made from synthetic gypsum.

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  • radiolabel studies using [14 C]linezolid show that the total recovery of drug-related radioactivity is near quantitative in 48h.

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  • radium radioactivity.

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  • Out only a no mention of quot radium radioactivity.

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  • deliberate release of chemical agents Deliberate release of radioactivity The Department's contingency plans for radiological or nuclear incidents.

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  • Shallow burial of short-lived waste Waste with short-lived radioactivity buried just below the surface.

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  • thorium's radioactivity.

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  • No specific standard radioactivity total indicative dose tritium Anglian Water supplies have been assessed as very low risk.

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  • Modern researches (see Radioactivity) on the complex nature of the atom have a little shaken the belief in the absolute permanence of matter.

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  • But modern discoveries in radioactivity 2 are in favour of the existence of the atom, although they lead to the belief that the atom is not so eternal and unchangeable a thing as Dalton and his predecessors imagined, and in fact, that the atom itself may be subject to that eternal law of growth and decay of which Lucretius speaks.

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  • It requires a radium salt of high radioactivity to be at all comparable in effectiveness with a good water-dropper.

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  • Their method of measuring the radioactivity is as follows (48) : A wire not exceeding 1 mm.

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  • The radioactivity is denoted by A, and A = signifies that the potential of the dissipation apparatus fell I volt in an hour per metre of wire introduced.

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  • No distinct relationship has yet been established between potential gradient and radioactivity.

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  • (For the significance of this fact see Radioactivity.) The richest known source is thorianite, which consists mainly of thorium oxide, and contains 9.5 cc. of helium per gram.

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  • (See RADIOACTIVITY; also ELEMENT and MATTER.) See M.

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  • Turning to the study of radioactivity, he noticed its association with the minerals which yield helium, and in support of the hypothesis that that gas is a disintegration-product of radium he proved in 1903 that it is continuously formed by the latter substance in quantities sufficiently great to be directly recognizable in the spectroscope.

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  • The investigation of this substance and its properties (see Radioactivity) has proceeded so far as to render it probable that the theory of the unalterability of elements, and also the hitherto accepted explanations of various celestial phenomena - the source of solar energy and the appearances of the tails of comets - may require recasting.

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  • He was distinguished as the discoverer of radioactivity, having found in 1896 that uranium at ordinary temperatures emits an invisible radiation which in many respects resembles Röntgen rays, and can affect a photographic plate after passing through thin plates of metal.

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  • It is remarkable as always containing helium and radioactive elements (see Radioactivity).

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  • Marckwald (Ber., 1903, 36, p. 2662) showed that the Joachimsthal pitchblende yields tellurium and a minute quantity of the strongly radioactive polonium which is precipitated by bismuth (see Radioactivity).

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  • The Priestly Code (Leviticus and allied passages) seems to confine the efficacy 2 Rutherford, Radioactivity.

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  • (See Radiation.) Finally, reference should be made to the phenomena of radioactivity, whether excited by the electric discharge in vacuum tubes, foreshadowed in part by Sir Wm.

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  • In subsequent years they did much to elucidate the remarkable properties of these two substances, one of which, polonium, came to be regarded as one of the transformation-products of the other (see Radioactivity).

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  • Curie, regarding radioactivity - i.e.

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  • (See Radioactivity.) The action of radium on human tissues was unknown until 1901, when, Professor Becquerel of Paris having incautiously carried a tube in his waistcoat pocket, there appeared on the skin within fourteen days a severe inflammation which was known as the famous "Becquerel burn."

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  • In connexion with the modern study of radioactivity, the electroscope has become an instrument of great usefulness, far outrivalling the spectroscope in sensibility.

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  • This research opened a way of approach to the phenomena of radioactivity, and the history of the steps by' hich P. Curie and Madame Curie were finally led to the discovery of radium is one of the most fascinating chapters in the history of science.

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  • The study of radium and radioactivity (see Radioactivity) led before long to the further remarkable knowledge that these so-called radioactive materials project into surrounding space particles or corpuscles, some of which are identical with those projected from the cathode in a high vacuum tube, together with others of a different nature.

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  • The study of radioactivity was pursued with great ability not only by the Curies and A.

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  • Chem., 1893, 6, p. 89), by determining the equivalent of barium chloride and bromide to silver, obtained the value 137.44 For the relation of barium to radium, see Radioactivity.

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  • Radiolabel studies using [14 C]linezolid show that the total recovery of drug-related radioactivity is near quantitative in 48h.

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  • Out only a no mention of quot radium radioactivity.

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  • Deliberate release of chemical agents Deliberate release of radioactivity The Department 's contingency plans for radiological or nuclear incidents.

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  • Shallow burial of short-lived waste Waste with short-lived radioactivity buried just below the surface.

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  • M reserved for he is a of thorium 's radioactivity.

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  • No specific standard radioactivity total indicative dose tritium Anglian Water supplies have been assessed as very low risk.

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  • Contrary to popular belief, atomic timepieces operate by way of the electrons within atoms which emit precision microwave signals rather than harmful radioactivity.

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