A Dictionary of Science: Comprising Astronomy, Chemistry, Dynamics, Electricity, Heat, Hydrodynamics, Hydrostatics, Light, Magnetism, Mechanics, Meteorology, Pneumatics, Sound, and Statics; Preceded by an Essay on the History of the Physical SciencesGeorge Farrer Rodwell E. Moxon, son, and Company, 1871 - 580 من الصفحات |
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action alcohol ammonia angle antimony astronomers atmosphere Atomic weight atoms axis battery bismuth body boiling called carbonic acid centre chemical chloride chord colour compound conductor consists constellation copper crystallises crystals cylinder density diameter direction distance earth eclipse ecliptic effect electricity electrified electromotive force equal flame force galvanometer gases glass heat Herschel horizontal hydrochloric acid hydrogen inches induction instrument intensity iron length lens Leyden jar light liquid magnetic magnetised mass matter means mercury metal molecules moon motion nebula needle nitric acid observed obtained orbit oxide oxygen particles pass plane plate platinum polarised pole position potassium pressure prism produced quantity rays refraction resistance salts silver sodium solar solid solution specific gravity spectrum stars substance sulphate sulphuric sulphuric acid surface takes place telescope temperature term theory tion tube vapour velocity vertical vessel vibrations volume weight wire zinc
مقاطع مشهورة
الصفحة 54 - ... even so very hard as never to wear or break in pieces, no ordinary power being able to divide what God himself made one in the first creation.
الصفحة 54 - All these things being considered, it seems probable to me that God in the beginning formed matter in solid, massy, hard, impenetrable, moveable particles, of such sizes and figures, and with such other properties and in such proportion to space as most conduced to the end for which he formed them...
الصفحة 285 - It is hardly necessary to add, that any thing which any insulated body, or system of bodies, can continue to furnish without limitation, cannot possibly be a material substance...
الصفحة 54 - And therefore that Nature may be lasting, the Changes of corporeal Things are to be placed only in the various Separations and new Associations and Motions of these permanent Particles...
الصفحة 161 - I had often, in the pride of half-knowledge, smiled at the means frequently employed by gardeners to protect tender plants from cold, as it appeared to me impossible that a thin mat or any such flimsy substance, could prevent them from attaining the temperature of the atmosphere, by which alone I thought them liable to be injured. But when I had learned that bodies on the surface of the earth become...
الصفحة 54 - While the particles continue entire, they may compose bodies of one and the same nature and texture in all ages: but should they wear away, or break in pieces, the nature of things, depending on them, would be changed.
الصفحة 323 - Change of motion is proportional to the impressed force and takes place in the direction of the straight line in which the force acts.
الصفحة 359 - On partially liquefying carbonic acid by pressure alone, and gradually raising at the same time the temperature to 88° Fahr., the surface of demarcation between the liquid and gas became fainter, lost its curvature, and at last disappeared. The space was then occupied by a homogeneous fluid, which exhibited, when the pressure was suddenly diminished or the temperature slightly lowered, a peculiar appearance of moving or flickering striae throughout its entire mass. At temperatures above 88° no...
الصفحة 496 - ... the ratio of the ovendry weight of a sample to the weight of a volume of water equal to the volume of the sample at some specific moisture content, as green, air-dry, or ovendry.
الصفحة 510 - ... a red and a green, or a yellow and a blue one — must afford a planet circulating about either; and what charming contrasts and "grateful vicissitudes," — a red and a green day, for instance, alternating with a white one and with darkness, — might arise from the presence or absence of one or other, or both, above the horizon.