The London, Edinburgh and Dublin Philosophical Magazine and Journal of ScienceTaylor & Francis, 1858 |
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Términos y frases comunes
acetic acetic acid action æther alcohol ammonia analysis angle appears atoms axis body boiling carbonic acid centre of gravity centre of percussion chloride colour combustion composition compound contact breaker containing copper corresponding crystals curve decomposed decomposition density deposit determined diameter direction dissolved distance effect electricity equal equation equivalent evaporated experiments filtered force formula gave glacier glass glyceric glyceric acid heat Hence hydrochloric acid hydrogen inch indican indiglucine indigo-blue inverse iodide iron latter lead light lime liquid magnetic mass maximum means mercury metal motion negative nitric acid nitrogen observed obtained oxide oxygen partial molecules percussion phænomena phænomenon Phil plane plate platinum pole portion position potash potassium precipitate pressure produced quantity residue rotation salt silver singular solution solution spontaneous centre substance sulphate sulphuric acid surface temperature theory tion tube vapour velocity wire
Pasajes populares
Página 342 - The change of motion is proportional to the motive force impressed ; and is made in the direction of the right line in which that force is impressed.
Página 81 - That gravity should be innate, inherent, and essential to matter, so that one body may act upon another at a distance through a vacuum, without the mediation of anything else, by and through which their action and force may be conveyed from one to another, is to me so great an absurdity that I believe no man, who has in philosophical matters a competent faculty of thinking, can ever fall into it. Gravity must be caused by an agent acting constantly according to certain laws ; but whether this agent...
Página 487 - We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances. To this purpose the philosophers say that Nature does nothing in vain, and more is in vain when less will serve; for Nature is pleased with simplicity, and affects not the pomp of superfluous causes.
Página 189 - ... in which — by means of a condensing pump, incessantly worked by a steam-engine — air was condensed to an amount sufficient to counteract the external hydrostatic pressure. The ingenious contrivance fully justified the expectations of the engineer ; but the workmen were thus compelled to labor in air condensed under a pressure of about three atmospheres. Among other curious results of this state of things noticed by M. Triger were the remarkable effects of condensed air on combustion. Much...
Página 366 - A GLACIER is AN IMPERFECT FLUID, OR A VISCOUS BODY. WHICH IS URGED DOWN SLOPES OF A CERTAIN INCLINATION BY THE MUTUAL PRESSURE OF ITS PARTS.
Página 345 - The storms are accompanied with a depression of the barometer near the central line of the storm, and a rise of the barometer in the front and rear.
Página 443 - The ox-gullet is now nearly filled with a concentrated solution of common salt, to which a few drops of hydrochloric acid have been added and the...
Página 240 - It is believed that the results which have been obtained on a small scale in my experiments may be traced in the great operations of nature. The fluctuations of our atmosphere produce compressions and expansions sufficient to cause great electrical disturbances. Particularly should this be observed in the dry cold regions of our atmosphere above the effects of moisture and vapors ; and it was established by the experiments of Becquerel as well as those of Gay Lussac and Biot that the electricity...
Página 484 - But whether elastic fluids do really consist of particles so repelling each other, is a physical question. We have here demonstrated mathematically the property of fluids consisting of particles of this kind, that hence philosophers may take occasion to discuss that question.
Página 93 - ... to be the seat of a fierce combustion. Of such hypotheses we have given reason for declining the first. Prismatic analysis, which demonstrates no resemblance between the light of the sun and that of any form of electric discharges with which we are familiar, enables us in like manner to reject the second ; and upon the whole, facts seem most strongly to prepossess us in favour of the third, in artificial combustions similar fixed íinee being observed.