Proceedings of the National Academy of Sciences of the United States of America, 5. sējumsNational Academy of Sciences, 1919 The Proceedings of the National Academy of Sciences (PNAS) publishes research reports, commentaries, reviews, colloquium papers, and actions of the Academy. PNAS is a multidisciplinary journal that covers the biological, physical, and social sciences. |
No grāmatas satura
1.–5. rezultāts no 100.
9. lappuse
... division among the Protozoa are of fundamental signifi- cance from an evolutionary standpoint . Unlike the Metazoa which present , as a whole , only minor variations in this process in the different taxonomic groups and in the many ...
... division among the Protozoa are of fundamental signifi- cance from an evolutionary standpoint . Unlike the Metazoa which present , as a whole , only minor variations in this process in the different taxonomic groups and in the many ...
10. lappuse
... division found in Trichonympha offers still more striking proof of its flagellate affinities , and also emphasizes the wide divergence existing between it and the ciliates . As the name signifies the centroblepharoplast complex takes ...
... division found in Trichonympha offers still more striking proof of its flagellate affinities , and also emphasizes the wide divergence existing between it and the ciliates . As the name signifies the centroblepharoplast complex takes ...
11. lappuse
... division of the body and separation of the two daughter flagellates . A comparison of various points of this process with certain ones in Tri- chomonas reveals a striking similarity in the two types . In the latter the C. _m . C .. par ...
... division of the body and separation of the two daughter flagellates . A comparison of various points of this process with certain ones in Tri- chomonas reveals a striking similarity in the two types . In the latter the C. _m . C .. par ...
12. lappuse
... Division in both is fun- damentally longitudinal , including the splitting of the chromosomes , the centroblepharoplast and the entire body . The chromosomes are precocious in their splitting , doubling the number which later goes on ...
... Division in both is fun- damentally longitudinal , including the splitting of the chromosomes , the centroblepharoplast and the entire body . The chromosomes are precocious in their splitting , doubling the number which later goes on ...
13. lappuse
... division of a mass of differentiated archoplasm outside the nucleus . The exact relation of this to the tentacle and flagellum of Noctiluca has not been determined , but its position would suggest that some close connection between them ...
... division of a mass of differentiated archoplasm outside the nucleus . The exact relation of this to the tentacle and flagellum of Noctiluca has not been determined , but its position would suggest that some close connection between them ...
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Bieži izmantoti vārdi un frāzes
abelian variety absolute magnitude Academy of Sciences Acting Chairman Adopted American apparatus appointed approved atoms axis Chemical clusters color coöperation curve determined diseases distance E. H. MOORE Edwin Bidwell Wilson elected electrons equation Executive Board experiments figure fringes galactic Gano Dunn genes given globular clusters Hale hydrogen increase indicated Institute interferometer Interim Committee International investigation Leuschner limb linear lines liquid mass mean measured meeting Merriam Messrs method micrometer Millikan minor planets molecules motion Moved National Academy National Research Council normal Noyes observed obtained open clusters organization paper parallaxes period plane plants present pressure proper motions RAYMOND PEARL recommendation Relations represent Research Information Service rhizoids rotation scientific Secretary Section shown slit solution spectral spectral type spectrum stars surface Technology temperature theory tion values variables variations velocity vibrator Yerkes
Populāri fragmenti
433. lappuse - In general, to stimulate research in the mathematical, physical and biological sciences, and in the application of these sciences to engineering, agriculture, medicine and other useful arts, with the object of increasing knowledge, of strengthening the national defense, and of contributing in other ways to the public welfare.
90. lappuse - To promote cooperation in research, at home and abroad, in order to secure concentration of effort, minimize duplication, and stimulate progress; but in all cooperative undertakings to give encouragement to individual initiative, as fundamentally important to the advancement of science.
472. lappuse - I have the honor to inform you that at a meeting of the Executive...
90. lappuse - The National Research Council was organized in 1916 at the request of the President by the National Academy of Sciences, under its congressional charter, as a measure of national preparedness. The work accomplished by the Council in organizing research and in securing cooperation of military and civilian agencies in the solution of military problems demonstrates its capacity for larger service.
91. lappuse - Governmental and other agencies and to render such information available to duly accredited persons. Effective prosecution of the Council's work requires the cordial collaboration of the scientific and technical branches of the Government, both military and civil. To this end representatives of the Government, upon the nomination of the...
189. lappuse - Council,rand other matters which, in the judgment of the President of the National Academy, require the attention of both bodies. Article VII. — Publications and Reports Section 1. An annual report on the work of the National Research Council shall be presented by the Chairman to the National Academy...
137. lappuse - If we assume that growth is a dynamic process and that the organism is produced as its end-product, certain relations ought to exist between the size of the organism at any given time and the final size attained in time, T.
182. lappuse - Congress to provide appropriations for research, and that the President of the National Academy of Sciences and the Chairman of the National Research Council be members of the Committee.
425. lappuse - Attaches are continued. (Adopted.) Moved: That Mr. Donald J. Cowling, President of Carleton College, be nominated to represent the Association of American Colleges in the Division of Educational Relations in the National Research Council, with recommendation 'to the President of the National Academy of Sciences that Mr. Cowling be appointed a member of the National Research Council and assigned to the Division of Educational Relations. (Adopted.) The meeting adjourned at 10.45 am PAUL BROCKETT, Assistant...
286. lappuse - Science and the Division of Chemistry and Chemical Technology of the National Research Council. The members of the board are: Henry A.