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
... present , as a whole , only minor variations in this process in the different taxonomic groups and in the many different types of cells in the body , the Protozoa have evolved many and widely diverse types of mitotic phenomena , which ...
... present , as a whole , only minor variations in this process in the different taxonomic groups and in the many different types of cells in the body , the Protozoa have evolved many and widely diverse types of mitotic phenomena , which ...
12. lappuse
... paradesmose and the attachment of the motor organelles to the centrosomes . So far as present records go both of these phenomena are typically and solely flagellate in their occurrence . Nothing comparable. 12 ZOOLOGY : KOFOID AND SWEZY.
... paradesmose and the attachment of the motor organelles to the centrosomes . So far as present records go both of these phenomena are typically and solely flagellate in their occurrence . Nothing comparable. 12 ZOOLOGY : KOFOID AND SWEZY.
13. lappuse
... present . A peculiar development of this structure is found in the so - called sphere of Noctiluca . This is produced by the elongation and division of a mass of differentiated archoplasm outside the nucleus . The exact relation of this ...
... present . A peculiar development of this structure is found in the so - called sphere of Noctiluca . This is produced by the elongation and division of a mass of differentiated archoplasm outside the nucleus . The exact relation of this ...
16. lappuse
... present a summary of the results we have obtained in a study of the remainder of this fourth ternary system , and also to correlate these results with the results previously obtained . The experimental methods employed are similar to ...
... present a summary of the results we have obtained in a study of the remainder of this fourth ternary system , and also to correlate these results with the results previously obtained . The experimental methods employed are similar to ...
22. lappuse
... present study indicates that these heritable diversities may have been due to changes in the volume of the chromatin . These chromatin - cyto- plasmic studies also have a bearing on the selection work carried on by various investigators ...
... present study indicates that these heritable diversities may have been due to changes in the volume of the chromatin . These chromatin - cyto- plasmic studies also have a bearing on the selection work carried on by various investigators ...
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Citi izdevumi - Skatīt visu
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.