Journal of the Chemical Society, Том 47Chemical Society., 1885 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Загальні терміни та фрази
acetic acid acetone action added alcohol alkali ammonia ammonium amount analysis aniline atomic weight benzene boiling bromine calcium Calculated camphor carbonic anhydride cent CH₂ chloride colour colourless compound containing cooling crops crystallised crystals decomposed decomposition dextrin dissolved distilled dried Dumas equation ethereal solution ethylic acetoacetate ethylic benzoylacetate evaporation excess experiments fermentation formation formed formula fraction fumarate gram CO2 gram H₂O gram substance gave heated hydrocarbon hydrochloric acid hydrogen selenide hydrogen sulphide hydroxide hydroxyamine insoluble iodide iodine iron layer of liquid malt-extract maltodextrin maltose manure melting point metal method mixed mixture molecule N₂O needles nitrate nitric acid nitrogen obtained Oscillation frequencies oxide oxidised oxygen peroxide phenyl potash precipitate prepared present pure radicle Rays transmitted reaction residue salt selenium separated silicon silver small quantity sodic sodium soil soluble strong sulphate sulphuric acid temperature Thickness of layer tion tube washed Wave-lengths whilst yield zinc
Популярні уривки
Сторінка 312 - There remains in this case but one hypothesis to be made, which is accepted by all physicists. It consists in supposing that in all elastic fluids observed under the same conditions, the molecules are placed at equal distances, ie, that they are present in them in equal numbers.
Сторінка 343 - The PRESIDENT then delivered his Address, (p. 65.) It was proposed by Mr. LATHAM, seconded by Mr. FIELD, and resolved:— " That the thanks of the Society be given to the President for his Address, and that he be requested to allow it to be printed in the Quarterly Journal of the Society.
Сторінка 381 - It has been argued that, in the last stages of the decomposition of organic matter in the soil, hydrogen is evolved, and that this nascent hydrogen combines with the free nitrogen of the atmosphere, and so forms ammonia.
Сторінка 396 - Leguminosai is due to a supply of nitric acid by the nitrification of the nitrogen of the subsoil, is that the direct application of nitrates as manure has comparatively little effect on the growth of such plants. In the case of the direct application of nitrates, however, the nitric acid will percolate chiefly as nitrate of soda or nitrate of lime, unaccompanied...
Сторінка 400 - Trifolium repens soil ; and it was concluded that much if not the -whole, of the nitrogen of the Vicia crops had been taken up as nitric acid. New results of the same 'kind, which related to experiments with Trifolium repens as a shallow rooting and meagrely yielding plant, to...
Сторінка 418 - Thus a soil-source, of at any rate some, of the nitrogen of the crops is indicated. Other evidence pointed in the same direction. 6. Determinations of the nitrogen as nitric acid, in soils of known history as to manuring and cropping, and to a considerable depth, showed that the amount of nitrogen in the soil in that form was much less after the growth of a crop than under corresponding conditions without a crop. This was the case not only with gramineous but with leguminous crops.
Сторінка 395 - ... had received mineral manures, and the Wheat land had not, the characteristic difference in the history of the two plots was, that the one had, from time to time grown a Leguminous crop, and the other had not, and the one which had grown Leguminous crops contained, to the depth of 9 feet, nearly 3 times as much nitrogen as nitric acid as the Gramineous crop soil. The difference is the greatest near the surface, but it is very considerable down to the lowest depths. In the first three depths, Depths.
Сторінка 339 - In 1860 he was elected to the newly-founded Linacre Professorship of Anatomy and Physiology, which he held to the time of his death. He was elected a Fellow of the Royal Society in 1862, and a Fellow of Merton College, Oxford, in 1872.
Сторінка 420 - ... characteristic of a rich virgin soil, or of a permanent pasture surface soil, was a relatively high percentage of nitrogen and carbon. On the other hand, soils which have long been under arable culture are much poorer in these respects...
Сторінка 409 - The percentage of nitrogen in the dry soil of the first 12 inches of depth is 0'201, or nearly twice as high as in the first 6 or 9 inches of ordinary arable land, and about as high as in the surface soil of pasture land, in Great Britain. Even the second 12 inches of depth is richer than our surface arable soils. The third 12 inches is about as rich as the second 9 inches of the Rotbamsted soils, but the fourth is low.