Proceedings of the Royal Society of London, Volume 45

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Page 370 - My observations, as far as they extend at present, seem to be in favour of the opinion that the nebulae which give a gaseous spectrum are systems possessing a structure and a purpose in relation to the universe, altogether
Page 5 - Mr. Lockyer writes in his interesting paper on Meteorites* as follows:— " The brighter lines in spiral nebulae, and in those in which a rotation has been set up, are in all probability due to streams of meteorites with irregular motions out of the main streams, in which the collisions would be almost nil. It has already been suggested by Professor G. Darwin
Page 105 - 0 = 7r, although it is true that so highly localised a force hardly comes within the scope of the investigation in consequence of the stretchings of the middle surface, which will occur in the immediate neighbourhood of the points of application.* The work done upon the cylinder by the forces F during the hypothetical displacement indicated by
Page 105 - (38). Thus far we might consider A to be a function of z ; but we will now treat it as a constant. In the integration with respect to z the odd powers of z will disappear, and we get as the energy of the whole cylinder of radius a, length 21, and thickness 2h,
Page 7 - more intelligible. The nearest terrestrial analogy is when a cannon-ball rebounds from the sea. In glancing collisions fracture will probably not be very frequent. From these arguments it is probable that, when two meteorites meet, they attain an effective elasticity of a high order of perfection ; but there is of course some loss
Page 440 - The frequency depends upon the wave-length parallel to the axis, and not upon the radius of the cylinder. The remaining roots of (25) correspond to motions for which V= 0, or which take place in planes through the axis. The general character of these vibrations may be illustrated by the case where
Page 282 - Professor GG STOKES, DCL, President, in the Chair. The Presents received were laid on the table, and thanks ordered for them. The following Papers were read:— I. " On the Influence of Carbonic Anhydride and other Gases on the Development of Micro-organisms.
Page 444 - Professor GG STOKES, DCL, President, in the Chair. The Presents received were laid on the table, and thanks ordered for them. The following Papers were read:— I. " On the Velocity of Transmission through Sea-water of Disturbances of large Amplitude caused by Explosions.
Page iii - of Researches on Silicon Compounds and their Derivatives. Part I. By J. Emerson Reynolds, MD, FRS, Professor of Chemistry, University of Dublin
Page 105 - 0, s =.1 are such as a rigid body might undergo, and involve no absorption of energy. When the values of u, v, w are substituted in (34) all the terms containing products of sines or cosines with different values of s vanish in the integration with respect to

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