Science, Volumen1John Michels (Journalist) American Association for the Advancement of Science, 1883 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Página 13
... nearly the same may be said of the peach , oranges and lemons , and of all squashes and pumpkins . 1 But we must conclude our brief review with a note upon two or three plants , the early history of which concerns our own country ...
... nearly the same may be said of the peach , oranges and lemons , and of all squashes and pumpkins . 1 But we must conclude our brief review with a note upon two or three plants , the early history of which concerns our own country ...
Página 17
... nearly proportionally to the amount of light received . By the ammonia process the density increases too rapidly at first , while in the long boiled emulsion the increase is too slow . But the great advantage which he claims lies in the ...
... nearly proportionally to the amount of light received . By the ammonia process the density increases too rapidly at first , while in the long boiled emulsion the increase is too slow . But the great advantage which he claims lies in the ...
Página 21
... nearly completed . It is hardly possible to estimate this work too highly ; for there are no other animals concerning which so many errors have been current in recent years as the Protozoa , and it cannot fail to advance zoology to have ...
... nearly completed . It is hardly possible to estimate this work too highly ; for there are no other animals concerning which so many errors have been current in recent years as the Protozoa , and it cannot fail to advance zoology to have ...
Página 24
... nearly adult females of Osphranter robustus , five of Halmaturus ruficollis , and nine of Petrogale penicillatus . In two small specimens of O. robustus and two of P. penicillatus it did not exist .— ( Proc . Linn . soc . N. S. Wales ...
... nearly adult females of Osphranter robustus , five of Halmaturus ruficollis , and nine of Petrogale penicillatus . In two small specimens of O. robustus and two of P. penicillatus it did not exist .— ( Proc . Linn . soc . N. S. Wales ...
Página 34
... nearly normal when compared with the November pressure of previous years . The number of minima sufficiently well marked to allow the charting of their paths is only five , an unusually small number , the average in former years being ...
... nearly normal when compared with the November pressure of previous years . The number of minima sufficiently well marked to allow the charting of their paths is only five , an unusually small number , the average in former years being ...
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Pasajes populares
Página 66 - For compressible flow this becomes: where y is the ratio of the specific heat at constant pressure to that at constant volume...
Página 28 - FIELD ENGINEERING. A HAND-BOOK of the Theory and Practice of RAILWAY SURVEYING, LOCATION and CONSTRUCTION, designed for CLASS-KOOM, FIELD, and OFFICE USE, and containing a large number of Useful Tables, Original and Selected.
Página 159 - Washington, at such time as he may see fit to designate, for the purpose of fixing upon a meridian proper to be employed as a common zero of longitude and standard of time reckoning throughout the globe...
Página 412 - Committee names of candidates for membership, and those candidates who are approved by the Executive Committee may be elected to membership by a majority of the members present at any meeting of the society.
Página 348 - A spirit of innovation is generally the result of a selfish temper and confined views. People will not look forward to posterity who never look backward to their ancestors.
Página 266 - THREE LECTURES ON THE PRACTICE OF EDUCATION. Delivered in the University of Cambridge in the Easter Term, 1882, under the direction of the Teachers
Página 237 - May 29, 1789, he was elected a foreign honorary member of the American Academy of Arts and Sciences, and he was made Lieutenant-General of the Bavarian Armies and received the command of a regiment of artillery.
Página 126 - ... 3. The introduction and multiplication of useful food-fishes throughout the country, especially in waters under the jurisdiction of the general government, or those common to several States, none of which might feel willing to make expenditures for the benefit of the others. This work, which was not contemplated when the Commission was established, was first undertaken at the instance of the American...
Página 122 - The Life of John Duncan, Scotch Weaver and Botanist. With Sketches of his Friends and Notices of his Times. Second Edition. Large crown 8vo, with etched portrait, gs. JONES, CA— The Foreign Freaks of Five Friends. With 30 Illustrations.
Página 10 - Zirb of the undulating surface, of the position of the origin, and of the azimuth in the plane of the line normal to the ridges and valleys. Therefore the proposition is true of any combination whatever of harmonic undulations, and as any inequality may be built up of harmonic undulations, it is generally true of inequalities of any shape whatever.