Proceedings of the Cambridge Philosophical Society: Mathematical and physical sciences, Volume 11Cambridge Philosophical Society, 1902 |
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Autres éditions - Tout afficher
Proceedings of the Cambridge Philosophical Society ..., Volumes 18 à 19 Cambridge Philosophical Society Affichage du livre entier - 1916 |
Proceedings of the Cambridge Philosophical Society: Mathematical ..., Volume 15 Cambridge Philosophical Society Affichage du livre entier - 1910 |
Proceedings of the Cambridge Philosophical Society: Mathematical ..., Volume 23 Cambridge Philosophical Society Affichage du livre entier - 1927 |
Expressions et termes fréquents
acid alcohol aluminium angle Anopheles apparatus appear axis beam Bothriocephalus bulb Caius College cathode Cavendish Laboratory cell walls centre chlamydospores Christ's College circle Clare College colour constant coral corpuscles cotyledon curve described diameter discharge distance electric electrodes endosperm equation Eskimo examined experiments ferment film germination given gives glass Gonville and Caius Hall Effect hydrazone hydrogen inches infection ionisation ions J. J. Thomson large number larvae layer light liquid magnetic field Maldives mannose means measured mesenteries metal method millimetre negative normal observations obtained occur plate polyps positive potential difference present pressure probably produced radio-activity rays reef seed shew shewn side Society solution species specimens spores St John's College stomata suppose surface tangents temperature thick Trinity College tube variation velocity volts wire μα
Fréquemment cités
Page 11 - ... Cretaceous Cheilostomes belong to the Cribrilinidae,. (iv) The condition found in Lepralioid or Escharine forms, in which the free surface is entirely calcified, is a further development of the Cribrilinidan arrangement. The calcareous front wall corresponds with the united overarching spines of Cribrilina, the membranous opercular wall of which is represented by the floor of a large compensation-sac, which lies beneath the front wall, and usually has walls of great tenuity. This sac opens to...
Page 466 - My impression distinctly is that practically all colonies of a species in any one area died, or that there were only the isolated deaths of individual large colonies. Each coral block has presumably originated from a single ovum, and such a colony cannot normally give rise to other masses asexually. The limitations in the size of colonies — clearly visible on any reef in massive Porites and other massive genera — -points clearly to some prohibition of their growth. Such a regular restriction...
Page 237 - President, in the Chair The following were elected Officers for the ensuing year President Dr FW ASTON Via '-Presidents Prof.
Page 64 - By far the most important agent in altering the true rate, as due to the sun alone, is the wind. During the three days we were fortunate in having both calm and wind, so that an idea can be formed of the cooling effect of wind. On the 1 6th with a calm afternoon the mean rate between 2 and 3 pm was 1-221, and on the 17th, when it was breezy, the rate was 1-087 or about 10 per cent. less. The breezes which occur on the Nile are usually cool and from the north. They did not at any time exceed force...
Page 473 - ... is given by the equation If the atomic weights are from Clarke's 1901 list with hydrogen as unit, then the greatest difference between the computed and determined value will not exceed 4 units, nor will the error ever be greater than 5 per cent. ; in thirty-six cases the result will not be a unit wrong and in twenty cases will not be I per cent.
Page 245 - The experiments described in this paper were undertaken with the object of detecting and investigating the Hall effect in the positive column of the ordinary electric discharge at low pressures.
Page 154 - ... a variable chord of a conic which subtends a right angle at a fixed point 0 on the curve passes through a fixed point on the normal at О (р.
Page 36 - On the 16th, 17th and 18th experiments were carried out with the apparatus in best working order and under very favourable circumstances. They are collected in Table III. The observations made on the morning of the 17th immediately after the total phase of the eclipse are given separately in Table IV. The instrument was constructed and was taken out to Egypt for use under ordinary conditions. Its exposure during the later phases of the eclipse was not originally contemplated, yet the results are...
Page 65 - PM 2 3 3 4 73-2 65-5 57-9 71-6 64-8 of water at 100° C. into steam of the same temperature is 803 gr.° C., and this is the greatest amount of heat which the calorimeter has recorded in one minute. On careful measurement of the calorimeter, especially the reflector, I find that its actual collecting diameter is 34'3 centimetres, less that of the condenser tube, 5*1 centimetres. So that its collecting area is 924 — 20-5 = 903-5 square centimetres (cm."). Therefore the rays of the sun falling perpendicularly...
Page 64 - Fig. 8, we notice that there is considerable variability in the results whether the interval which we consider be that required for the distillation of 5 cc or 20 cc Further, this variability from one interval to another is more remarkable than the change of rate due to change of the sun's altitude. Yet the sun's altitude which is 83° at noon is only 48° at 9 am or 3 pm If we express it in zenith distance, the zenith distance is at noon 7° and increases to 42° at 9 am and 3 pm We conclude that...