Collected Papers of Sir James Dewar..., 第 2 巻The University Press, 1927 - 1489 ページ |
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absorbed absorption action alcohol alloys amount apparatus atmosphere boiling boiling-point of hydrogen bubble calorimeter carbon disulphide carbon monosulphide carbon monoxide carbonic acid cent charcoal charcoal bulb chloride colour compound condensed containing cooled in liquid curve density deposit determined diameter equation ether evaporation exhausted experiments film flask gaseous gases gauge glass glycerin gram helium immersed in liquid increase iron carbonyl iron pentacarbonyl latent heat light liquefied liquid air liquid hydrogen liquid oxygen litres low temperatures manometer McLeod gauge measured membrane mercury metal minutes molecular neon nickel carbonyl nitrogen nozzle observed obtained ordinary temperature oxide ozonizer passed platinum pressure Proc produced pump pure quantity radiation radiometer radium reaction resistance sealed shown in Fig shows silver solution specific heat specimens stopcock substance sulphide sulphuric acid surface temperature of liquid thermometer thiophosgene tube U-tube vacuum vessel vapour volatile volume
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760 ページ - Science is bound, by the everlasting law of honour, to face fearlessly every problem which can fairly be presented to it. If a probable solution, consistent with the ordinary course of nature, can be found, we must not invoke an abnormal act of Creative Power.
715 ページ - 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.
713 ページ - It seems possible to account for all the phenomena of heat, if it be supposed that in solids the particles are in a constant state of vibratory motion, the particles of the hottest bodies moving with the greatest velocity...
759 ページ - In fact, the whole process of evolution is the manifestation of a Power absolutely inscrutable to the intellect of man. As little in our day as in the days of Job can man by searching find this Power out.
684 ページ - By means of this hydrogen jet, liquid air can be quickly transformed into a hard solid. It was shown that such a jet could be used to cool bodies below the temperature that it is possible to reach by the use of liquid air, but all attempts to collect the liquid hydrogen from the jet in vacuum vessels failed. No other investigator improved on my results (Proc.
768 ページ - New experiments and observations touching cold, or, An experimental history of cold, begun.
680 ページ - The above methods have failed to produce static hydrogen, Wroblewski suggested that the result might be attained by the use of hydrogen gas as a cooling agent. From this time until his death in the year 1888, Wroblewski devoted his time to a laborious research on the isothermals of hydrogen at low temperatures. The data thus arrived at enabled him, by the use of Van der Waal's formulae, to calculate the critical constants, and also the boiling point of liquid hydrogen.
690 ページ - With hydrogen as a cooling agent we shall get to from 13° to 15° of the zero of absolute temperature, and its use will open up an entirely new field of scientific inquiry.
759 ページ - The impregnable position of science may be described in a few words. We claim, and we shall wrest from theology, the entire domain of cosmological theory. All schemes and systems which thus infringe upon the domain of science must, in so far as they do this, submit to its control, and relinquish all thought of controlling it.
776 ページ - He showed that this temperature is constant, and differs with each substance, and that it is always associated with a definite pressure peculiar to each body. Thus the two constants, critical temperature and pressure, which have been of the greatest importance in subsequent investigations, came to be defined, and a complete experimental proof was given that ''the gaseous and liquid states are only distinct stages of the same condition of matter and are capable of passing into one another by a process...