Proceedings of the Royal Society of London, Volume 28Taylor & Francis, 1879 |
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Halaman 64
... hydrogen in crops and in the manures supplied to them , have proved him to be skilled not only in selecting and applying the best known methods of analysis , but even in improving and perfecting them . His determinations of the ...
... hydrogen in crops and in the manures supplied to them , have proved him to be skilled not only in selecting and applying the best known methods of analysis , but even in improving and perfecting them . His determinations of the ...
Halaman 68
... hydrogen . His system of operating consists in submitting the gases to very powerful compression at comparatively moderate degrees of cold , and in then allowing them very suddenly to expand . M. Pictet has applied the very perfect ...
... hydrogen . His system of operating consists in submitting the gases to very powerful compression at comparatively moderate degrees of cold , and in then allowing them very suddenly to expand . M. Pictet has applied the very perfect ...
Halaman 103
... hydrogen and least in carbonic acid , as compared with air . is c . The shape and size of this dark space do not vary with the distance separating the poles ; nor , only very slightly , with altera- tion of battery power , or with ...
... hydrogen and least in carbonic acid , as compared with air . is c . The shape and size of this dark space do not vary with the distance separating the poles ; nor , only very slightly , with altera- tion of battery power , or with ...
Halaman 106
... hydrogen , or carbonic acid . d . The green phosphorescence commences at a different exhaustion in different gases . e . The viscosity of a gas is almost as persistent a characteristic of its individuality as its spectrum . The author ...
... hydrogen , or carbonic acid . d . The green phosphorescence commences at a different exhaustion in different gases . e . The viscosity of a gas is almost as persistent a characteristic of its individuality as its spectrum . The author ...
Halaman 160
... hydrogen and magnesium for that luminary , Dr. Huggins ' photographs have demonstrated the same fact for the stars , so that in the present state of our knowledge , independent of all hypotheses , the facts may be represented as follows ...
... hydrogen and magnesium for that luminary , Dr. Huggins ' photographs have demonstrated the same fact for the stars , so that in the present state of our knowledge , independent of all hypotheses , the facts may be represented as follows ...
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action angle Antedon apparatus appear Author axis band blue body bright bundles calcium carbonic acid cartilage cells cent centims chromosphere condition copper corresponding crucible curves density described direction disk effect electric equation experiments expired Fehling's solution fibre Flora fossil Fraunhofer lines glass grms heat hydrogen hydrogen lines impurity inch of mercury inches increase investigation iridium Japanese mirrors lactin light liquid magnetic mean meerschaum metal method millims molecular molecules motion negative notochord obliquity Observatory observed obtained olfactory nerve ordinary oxide oxygen paper papillę phenomena phosphorescence photographs placed plane plate platinum pole position present pressure principal incidence produced Professor protoplasm radiometer rays reflected refrangible resting points reversed rhodium rotation Royal Society rubidium screen seen shown side solution species specific rotation spectra spectrum substance surface temperature tion transpiration tube velocity vibrations visceral arches weight zymase
Bagian yang populer
Halaman 366 - INDEX MEDICUS.— A Monthly Classified Record of the Current Medical Literature of the World.
Halaman 63 - 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.
Halaman 235 - PHYSICS. LESSONS IN ELEMENTARY PHYSICS. By "BALFOUR STEWART, FRS, Professor of Natural Philosophy in Owens College, Manchester. With numerous Illustrations and Chromoliths of the Spectra of the Sun, Stars, and Nebulae.
Halaman 83 - Report, continues in action, and the improved form of the instrument, giving a separate record for every day, of the duration of sunshine, has been regularly worked throughout the year and its curves tabulated.
Halaman 517 - The terms in which the award was made express the results of his geological labours in Australia. The excessive heat of March, 1878, combined with the labour of preparing a new edition of " Sedimentary Formations of New South Wales," proved too much for Mr. Clarke's strength. He was seized with paralysis on the 16th of that month; and though he rallied, so VOL.
Halaman 159 - ... this latter being invariably thicker than the H lines in all photographs of the calcium spectrum, and remaining, moreover, visible in the spectrum of substances containing calcium in such small quantities as not to show any traces of the H lines. " How far this and similar variations between photographic records and the solar spectrum are due to causes incident to the photographic record itself, or to 'variations in the intensities of tbe various molecular 'vibrations under solar and terrestrial...
Halaman 389 - Instead, of rebounding after collision, as the nnelectrified drops of clean water generally or always do, the electrified drops coalesce, and thus the jet is no longer scattered about. When the electrical influence is more powerful, the repulsion between the drops is sufficient to prevent actual contact, and then of course there is no opportunity for amalgamation.
Halaman 293 - Report of the Council of Education upon the condition of the public schools and of the certified denominational schools for the year 1877.
Halaman 163 - It would be in accordance with analogy to suppose that as a rule the same would take place in an incandescent surface, though in this case the spectrum would be discontinuous instead of continuous. Thus if A, B, C, D, E denote conspicuous bright lines of increasing refrangibility, in the spectrum of the vapour, it might very well be that at a comparatively low temperature A should be the brightest and the most persistent ; at a higher temperature, while all were brighter than before, the relative...
Halaman 362 - Osservazioni Astronomiche e Fisiche sull'asse di rotazione e sulla topografia del pianeta Marte.