The London, Edinburgh and Dublin Philosophical Magazine and Journal of ScienceTaylor & Francis, 1870 |
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Página 32
... vis viva in the discharge . If , in like manner , m denotes the mass in motion in the disjunction - current , and v its velo- city , mv2 is the vis viva of the disjunction - current . This latter quantity cannot be greater than the ...
... vis viva in the discharge . If , in like manner , m denotes the mass in motion in the disjunction - current , and v its velo- city , mv2 is the vis viva of the disjunction - current . This latter quantity cannot be greater than the ...
Página 52
... vis viva is generated . The piston may rise or it may descend , but the motion will not be due to either of the antagonistic forces , whose function it is to reduce each other to nullity . The office of the elasticity of gas in raising ...
... vis viva is generated . The piston may rise or it may descend , but the motion will not be due to either of the antagonistic forces , whose function it is to reduce each other to nullity . The office of the elasticity of gas in raising ...
Página 123
... vis viva and mechanical work , I was convinced à priori that there must be a mechanical theorem which would explain that of the increase of the effective force of heat with the temperature . This theorem I think I shall be able to ...
... vis viva and mechanical work , I was convinced à priori that there must be a mechanical theorem which would explain that of the increase of the effective force of heat with the temperature . This theorem I think I shall be able to ...
Página 124
... vis viva of the system is equal to its virial . Distinguishing the mean value of a magnitude from its vari- able value by drawing a horizontal line over the formula which represents the latter , we can express our theorem by the follow ...
... vis viva of the system is equal to its virial . Distinguishing the mean value of a magnitude from its vari- able value by drawing a horizontal line over the formula which represents the latter , we can express our theorem by the follow ...
Página 125
... vis viva and work can then be expressed very simply ; and in order to exhibit distinctly the analogy between this theorem and that respecting the virial , I will place the two in juxtaposition : - ( 1 ) The sum of the vis viva and the ...
... vis viva and work can then be expressed very simply ; and in order to exhibit distinctly the analogy between this theorem and that respecting the virial , I will place the two in juxtaposition : - ( 1 ) The sum of the vis viva and the ...
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Términos y frases comunes
amylamine atmosphere body calculated Canon Moseley carbonic acid cause centims chemical chromosphere comets compressed consequently constant containing copper curve cylinder deflection density descend determined diameter difference direction disk distance effect electricity electromotive force equal equator equatorial equilibrium erbia experiments film force formula fossils galvanometer gases glacier glass greater Gulf-stream Hence hydrogen inches increase iron layer length liquid magnetic magneto-rotatory power manometer mass means mercury metal method metre millims molecular molecules Moseley's motion needle Neocomian observed obtained ocean ocean-currents Oolite oxide oxyhydrogen flame particles pass photosphere piston plate polar regions poles portion pressure prism produced Professor ratio refractive refractive index reservoir resistance salt shear solid solution specific gravity spectrum stopcock substance sulphate sulphuric acid supersaturated supposed surface temperature theory thick tion tube unduloid vapour velocity vis viva wave-length weight wire
Pasajes populares
Página x - Other Worlds than Ours ; The Plurality of Worlds Studied under the Light of Recent Scientific Researches.
Página 311 - Phillips, and contains 200 Specimens, in a cabinet, with 5 trays, comprising the following, viz. :— MINERALS which are either the components of Rocks, or occasionally imbedded in them: — Quartz, Agate, Chalcedony, Jasper, Garnet, Zeolite, Hornblende, Augite...
Página 231 - MINERALS : these are found in masses or beds, in veins, and occasionally in the beds of rivers. Specimens of the following metallic ores are put in the Cabinet: Iron, Manganese, Lead, Tin, Zinc, Copper, Antimony, Silver, Gold, Platina, ек.
Página 311 - Rocks. SECONDARY FOSSILS, from the Trias, Lias, Oolite, Wealden, and Cretaceous Groups. TERTIARY FOSSILS, from the Woolwich, Barton, and Bracklesham Beds, London Clay, Crag, &c. In the more expensive Collections some of the Specimens are rare, and all more select.
Página x - Notes of a Course of Nine Lectures on Light, delivered at the Royal Institution. , By John Tyndall, FRS Crown 8vo. is. sewed, or is. 6d. cloth. Notes of a Course of Seven Lectures on Electrical Phenomena and Theories, delivered at the Royal Institution.
Página 311 - Guineas each, with every requisite to assist those commencing the study of this interesting science, a knowledge of which affords so much pleasure to the traveller in all parts of the world. * A collection for Five Guineas which will illustrate the recent works on Geology by Ansted, Buckland.
Página 240 - The vapor is taken from the surface water; the surface water thereby becomes more salt, and, under certain conditions, heavier ; when it becomes heavier, it sinks ; and hence we have, due to the salts of the sea, a vertical circulation, namely, a descent of heavier — because salter and cooler — water from the surface, and an ascent of water that is lighter — because it is not so salt — from the depths below.
Página 231 - Ludlow, Devonian, and Carboniferous Rocks. SECONDARY FOSSILS, from the Trias, Lias, Oolite, Wealden, and Cretaceous Groups. TERTIARY FOSSILS, from the Woolwich, Barton, and Bracklesham Beds, London Clay, Crag, &c.
Página 164 - Moseley replied as follows : — " To this there is the obvious answer that radiant heat does find its way into ice as a matter of common observation, and that it does not melt it except at its surface. Blocks of ice may be seen in the windows of iceshops with the sun shining full upon them, and melting nowhere but on their surfaces. And the experiment of the icelens shows that heat may stream through ice in abundance (of • Phil. Hag., S. 4, vol. x., p. 303. t Proceedings of the Bristol Naturalists'...
Página 151 - Barometers with Brass Scales, extending from the Cistern to the top of the Mercurial Column, to reduce the observation to 32° Fahrenheit.