Proceedings of the Royal Society of London, Том 25Taylor & Francis, 1877 |
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acid action Ångström animal apparatus appears atmosphere Author axis barometric boiled boric cause chloride colour contraction coral Crustacea crystals curve Davis Strait determine diameter direction disk dredging drop effect electrical electrodes electromotive force equation excitation Expedition experiments F.R.S. Received fathoms filaments film fluid Foraminifera glass Greenland heat inch increase inner bank instrument investigation iodide iodine isobars latter leaf light liquid Madras magnetic Makerstoun malleus manubrium mass maximum mean mercury Meteorological millims minute motion muscle nearly nerve observations Observatory obtained occur paper parasitic picrorocellin plate polarized position present pressure produced Prof Professor proper motion remarkable rhythm rotation Royal Society Saprolegnia Science seen selenium Simla Singapore solution species specific gravity specimens stapes stations stimulation striæ Stylaster substance surface Table temperature tion tissue tube urine variation wind wire zooids zoospores
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Стр. xxiii - And they were not only our teachers but our friends. The best spirit prevailed among the professors and students. We were often the companions of their walks, often present at their discussions ; and when we met for conversation or to give lectures among ourselves, as we constantly did, our professors were often among our listeners,, cheering and stimulating us in all our efforts after independent research. My room was our meeting-place, — bedroom, study, museum, library, lecture-room, fencingroom,—...
Стр. 360 - It is generally admitted that Mr. Froude has done more than anybody else towards the establishment of a reasonable theory of the oscillation of ships in wave-water, as well as for its experimental verification. The very accurate instruments which...
Стр. 308 - ... rebounding molecules spend their force, in part or in whole, on the sides of the vessel, and the onward crowding, more slowly moving molecules are not kept back as before, so that the number which strike the warmer face approaches to, and in the limit equals, the number which strike the back, cooler face, and as the individual impacts are stronger on the warmer than on the cooler face, pressure is produced, causing the warmer face to retreat*.
Стр. 281 - C. it undergoes sudden and violent expansion, passing from the amorphous into the crystalline condition ; (£) after undergoing this expansion the mass, on further cooling, undergoes slight expansion, and (e) the coefficient of contraction diminishes as the temperature decreases (or otherwise expressed, the coefficient of contraction augments with the temperature).
Стр. 306 - The log. dec. is 0-126 at the atmospheric pressure ; it falls to 0-111 at a pressure of 250 millionths of an atmosphere ; at 100 millionths it is 0-105, at 50 millionths it is 0-093, at 20 millionths it is 0-068, and at 2 millionths it is 0-02. The force of repulsion in oxygen increases very steadily up to an exhaustion of about 40 millionths of an atmosphere ; it is at its maximum at about 30 millionths, and thence declines very rapidly. Hydrogen gives a remarkable diagram. The viscosity at the...
Стр. 115 - Here there seemed to be a case of light actually producing an electromotive force within the selenium, which in this case was opposed to and could overbalance the electromotive force due to polarization. The question at once presented itself as to whether it would be possible to start a current in the selenium merely by the action of light.
Стр. 5 - ... notion that when there is a bend in any way commenced, the water just rushes out against the outer bank of the river at the bend, and so washes that bank away, and allows deposition to occur on the inner bank, and thus makes the sinuosity increase. But in this they overlook the hydraulic principle, not generally known, that a stream flowing along a straight channel and thence into a curve must flow with a diminished velocity along the outer bank, and an increased velocity along the inner bank,...
Стр. 356 - Chair during the year, and for his Address, and that he be requested to allow it to be printed in the Quarterly Journal of the Society.
Стр. 448 - Physique," vol. iii, part 2, p. 674, where he shows that a ray the azimuth of whose plane of polarization was originally towards the right is by reflection turned towards the left. Hence the result of reflection is to furnish two rays, one polarized in the plane of incidence, and the other at right angles to it. The phases of these rays will, in general, be different ; for they...
Стр. 313 - ... attracted. These experiments show that the repulsive action of radiation on the convex side is about equal to the attractive action of radiation on the concave side, and that the double speed with which the fly moves when no screen is interposed is the sum of the attractive and repulsive actions.