Proceedings of the American Association for the Advancement of Science, 40. sējums,1891. daļa |
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Bieži izmantoti vārdi un frāzes
A. A. A. S. VOL acid Agric Agriculture algebra analogy axis b₁ Born Boston botany Cambridge Carboniferous Catskill Charles chemical Chemung Chicago Cincinnati Cleveland College Committee Conn Cosigüina Council cultivation D. C. ABSTRACT denotes Devonian Died direction dt dt ether F. W. Putnam fact feet fossils Geological George Haven Henry i j k Indianapolis James John Joseph JOSEPH JASTROW Louis Mass matter means meeting metals method miles mountain Museum obtained Ohio Ohio 30 Ontario paper Ph.D Phenol Philadelphia plants present President Prof Professor Professor Gibbs quadrant quantity quaternion ratio Rochester rocks sandstone scalar scientific Secretary Section Sept shales species Survey Terre Haute theory Thomas tion tracheides U. S. Geol Univ vector versor volcanic Washington William William Lilly York π π
Populāri fragmenti
433. lappuse - An act to provide for celebrating the four hundredth anniversary of the discovery of America by Christopher Columbus, by holding an international exhibition of arts, industries, manufactures, and the products of the soil, mine, and sea, in the city of Chicago, in the State of Illinois...
346. lappuse - Witch: Fillet of a fenny snake, In the cauldron boil and bake: Eye of newt, and toe of frog, Wool of bat, and tongue of dog, Adder's fork, and blind-worm's sting, Lizard's leg, and owlet's wing, For a charm of powerful trouble, Like a hell-broth boil and bubble. All: Double, double toil and trouble; Fire, burn; and, cauldron, bubble. Third Witch: Scale of dragon, tooth of wolf; Witches...
433. lappuse - Association are, by periodical and migratory meetings, to promote intercourse between those who are cultivating science In different parts of America, to give a stronger and more general impulse and more systematic direction to scientific research, and to procure for the labors of scientific men increased facilities and a wider usefulness.
36. lappuse - This last shrub (shepperdia,) which may be said to be the most beautiful ornament that decks out the wild prairies, forms a striking contrast to the rest of the foliage, from the "blue appearance of its leaves, by which it can be distinguished for miles in distance. The fruit which it produces in such incredible profusion, hanging in clusters to every limb and to every twig, is about the size of ordinary currants, and not unlike them in...
426. lappuse - It appears to me that the only defense against this tendency to the degeneration of scientific workers lies in the organization and extension of scientific education in such a manner as to secure breadth of culture without superficiality ; and, on the other hand, depth and precision of knowledge without narrowness.
xxv. lappuse - The objects of the Association are, by periodical and migratory meetings, to promote intercourse between those who are cultivating science in different parts of...
426. lappuse - I neeJ hardly remind my present hearers, that which the investigator perceives depends much more on that which lies behind his sense-organs than on the object in front of them.
277. lappuse - ... feet above the prairies at their base. Their structure has been thoroughly studied by Wolff, who finds that they consist of late Cretaceous strata, soft sandstones, nearly horizontal in stratification, intersected by a network of eruptive dikes. The more enduring igneous rocks have preserved this range, while an average denudation of not less than one mile in vertical amount reduced all the surrounding country to a baselevel of erosion.
389. lappuse - In 1790 onethirtieth of the population of the United States lived in cities of 8,000 inhabitants and over; in 1800, one twenty-fifth; in 1810, and also in 1820, one-twentieth; in 1830...
61. lappuse - We have in fact a double algebra as the instrument for the complete treatment of all higher analysis, except that in which one of higher multiplicity is used. The field of Quautics has been brilliantly cultivated by Cayley, Sylvester and others.