The Edinburgh New Philosophical Journal: Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts, 47권A. and C. Black, 1849 |
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12 페이지
... existence . Berzelius was jealous only for chemistry . Considering his extensive experience , he could not be otherwise than opposed to the imaginary theories in which the ardent spirit of inno- vators delights to indulge . If he clung ...
... existence . Berzelius was jealous only for chemistry . Considering his extensive experience , he could not be otherwise than opposed to the imaginary theories in which the ardent spirit of inno- vators delights to indulge . If he clung ...
59 페이지
... existence more or less favourable to littoral molluscs , according to their genera , exercises also immense influence on the zoological composition of the faunas which inhabit them . " From the combined effect of these three kinds of in ...
... existence more or less favourable to littoral molluscs , according to their genera , exercises also immense influence on the zoological composition of the faunas which inhabit them . " From the combined effect of these three kinds of in ...
62 페이지
... existence which we remark at im- mense distances from the first period of animalization , † and even up to the time when the lower cretaceous strata were deposited , seems to depend on a uniform temperature and the shallowness of seas ...
... existence which we remark at im- mense distances from the first period of animalization , † and even up to the time when the lower cretaceous strata were deposited , seems to depend on a uniform temperature and the shallowness of seas ...
99 페이지
... existence of animal life , always suppos- ing the axis of rotation not to coincide with the axis of figure . If any resistance exists , " the pole of the axis of rotation would describe a spiral round the axis of figure , until finally ...
... existence of animal life , always suppos- ing the axis of rotation not to coincide with the axis of figure . If any resistance exists , " the pole of the axis of rotation would describe a spiral round the axis of figure , until finally ...
104 페이지
... existence , is to be found in the quantity of snow which falls in the whole zone of the Alps situate above from 2800 to 3000 metres . At this altitude , the solar or ambient heat is insufficient to melt the snow that falls in the course ...
... existence , is to be found in the quantity of snow which falls in the whole zone of the Alps situate above from 2800 to 3000 metres . At this altitude , the solar or ambient heat is insufficient to melt the snow that falls in the course ...
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Abessinia acid algæ alumina animals appear aurora borealis auroral light beds belt of perpetual Berzelius carbonate of lime carbonic acid chain character civilization colour comet communication containing d'Abbadie deposits depth direction dolomite Dr Prichard earth east Eastern Asia Egyptian electrical elevation epoch existence experiments fact fall feet formation fossil Gareloch geological glacier grooves height hills Himalaya improvements inches iron Kaffa languages length less light limestone Loch Loch Goil Loch Long London Lough Allen lower magnesia magnetic Manetho mass matter meerschaum ment meridian miles molluscs mountains nature nearly northern nutmeg observed oysters pass perpetual snow phenomena plains plants Plate-Glass portion present preserved produced pyroxenic quantity race racter rain regions remarkable rivers rocks seen shells shew shewn side Silurian snow-line Society southern species specimens streamers striæ surface temperature tion valley vapour vegetable whole
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258 페이지 - ... tails. Perhaps it is not too much to hope that future observation, borrowing every aid from rational speculation, grounded on the progress of physical science generally (especially those branches of it which relate to the...
199 페이지 - A Manual of Botany : being an Introduction to the Study of the Structure, Physiology, and Classification of Plants.
371 페이지 - ... this Report, Dr. Smith states that the pollution of air in crowded rooms is really owing to organic matter and not merely carbonic acid ; that all the water of great towns contains organic matter; that water purifies itself from organic matter in various ways, but particularly by converting it into nitrates, — that water can never stand long with advantage unless on a large scale, and should be used when collected or as soon as filtered.
46 페이지 - ... been able to bring them to the test of such experiments as would confirm or refute them; and should therefore have delayed the publication of them until these experiments had been made, if you, sir, and some other of my philosophical friends had not thought them as plausible as any other conjectures which have been formed on the subject ; and that, though they should not be verified by further experiments, or approved of by men of science in general, they may perhaps merit a discussion, and give...
44 페이지 - During the last summer also, a friend of mine gave some account of them to M. Lavoisier, as well as of the conclusion drawn from them, that dephlogisticated air is only water deprived of phlogiston ; but at that time so far was M. Lavoisier from thinking any such opinion warranted, that, till he was prevailed upon to repeat the experiment himself, he found some difficulty in believing that nearly the whole of the two airs could be converted into water.
349 페이지 - It will not only render the study of Geography more attractive, but actually show it in its true light, namely, as the science of the relations •which exist between nature and man throughout history ; of the contrasts observed between the different parts of the globe; of the laws of horizontal and vertical forms of the dry land, in its contact with the sea ; of climate, &c.
261 페이지 - In fact, it is difficult to name a nook on the face of the earth, or in the depths of the sea, where they are wholly absent, either in a dead or living state; and their office in the general economy, besides affording food for the humble members of the animal kingdom, seems to be the preparation of a soil for a higher class of vegetables. This they effect by the minute division of the...
250 페이지 - AD 1618 is stated to have been attended by a train no less than 104° in length. The comet of 1680, the most celebrated of modern times, and on many accounts the most remarkable of all, with a head not exceeding in brightness a star of the second magnitude, covered with its tail an extent of more than 70° of the heavens, or, as some accounts state, 90°.
252 페이지 - That the luminous part of a comet is something in the nature of a smoke, fog, or cloud, suspended in a transparent atmosphere is evident...
159 페이지 - ... but the exact method in which this is effected has not been ascertained. A remarkable point in their history results from this power of feeding on flint. It is this : their bodies are indestructible. Thus their...