Proceedings of the National Academy of Sciences of the United States of America, 7. sējumsNational Academy of Sciences, 1921 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. |
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1.–5. rezultāts no 79.
iv. lappuse
... DISTRIBUTION OF PORE SIZES IN A POROUS MATERIAL . . . . . . . .By E. W. Washburn 115 THE DIFFUSION OF AIR THROUGH ... DistriBUTIONS , CHIEfly in ReserVOIRS AND PIPES ... ....... By Carl Barus 207 AN APPARATUS FOR DETERMINATION OF THE ...
... DISTRIBUTION OF PORE SIZES IN A POROUS MATERIAL . . . . . . . .By E. W. Washburn 115 THE DIFFUSION OF AIR THROUGH ... DistriBUTIONS , CHIEfly in ReserVOIRS AND PIPES ... ....... By Carl Barus 207 AN APPARATUS FOR DETERMINATION OF THE ...
viii. lappuse
... distribution . Inquiries with regard to them should be addressed to the Home Secretary , National Academy of Sciences , Smithsonian Institution , Washington , D. C. PAST volumes of the PROCEEDINGS may be obtained at five dollars per ...
... distribution . Inquiries with regard to them should be addressed to the Home Secretary , National Academy of Sciences , Smithsonian Institution , Washington , D. C. PAST volumes of the PROCEEDINGS may be obtained at five dollars per ...
17. lappuse
... distribution of velocities of the secondary electrons . It will be seen from figure 4 that practically no secondaries have a velocity of more than 5 volts , even when the exciting primary electrons have velocities of 300 volts . Further ...
... distribution of velocities of the secondary electrons . It will be seen from figure 4 that practically no secondaries have a velocity of more than 5 volts , even when the exciting primary electrons have velocities of 300 volts . Further ...
19. lappuse
... distribution of the letter is as follows : Immediate valley of the San Juan .. East and south side of river : Canyon Frances .... Canyon Gobernador . Canyon Largo .. Kootz Canyon . Chaco Valley . Eastern slope , Tunicha Mountain . North ...
... distribution of the letter is as follows : Immediate valley of the San Juan .. East and south side of river : Canyon Frances .... Canyon Gobernador . Canyon Largo .. Kootz Canyon . Chaco Valley . Eastern slope , Tunicha Mountain . North ...
20. lappuse
... distributed than those of earlier or later types . Both large and small structures occur , the latter being more common . Stone was the building material generally used , but the individual blocks were never faced . In some cases the ...
... distributed than those of earlier or later types . Both large and small structures occur , the latter being more common . Stone was the building material generally used , but the individual blocks were never faced . In some cases the ...
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Citi izdevumi - Skatīt visu
Bieži izmantoti vārdi un frāzes
Academy of Sciences acid Amer atomic average bundles C. B. Davenport character Chem chromosome coefficient of variation column constant corresponding crossing curves determined deviation diameter differential Diminished Distributed free E. H. MOORE Easton ebullioscopy EDWIN BIDWELL WILSON electrons energy equation error experiments factor figure flour frequency fringes function GANO DUNN genetic given Globe heat Home Secretary hypocotyl infection Institution integral interferometer investigations ionization loci mean measurements melanogaster mercury metal method molecules mutant National Academy NATIONAL RESEARCH COUNCIL non-disjunction normal observed obtained orbits Pages paper phosphorescent physical plate postage 1 cent prediction pressure PROCEEDINGS publications pure line Quercina ratio RAYMOND PEARL Read April Reprinted seedlings sextic shown solution temperature theorem tion trypanosomes tube values variable velocity VERNON KELLOGG volume Washington wave-length zero
Populāri fragmenti
137. lappuse - Papers from the Department of Biometry and Vital Statistics, School of Hygiene and Public Health, Johns Hopkins University, No. 4. 2 Pearl, R.,
357. lappuse - Science and the Division of Chemistry and Chemical Technology of the National Research Council.
322. lappuse - PROCEEDINGS is the official organ of the NATIONAL ACADEMY OF SCIENCES and of the NATIONAL RESEARCH COUNCIL for the publication of brief accounts of important current researches of members of the ACADEMY and of the COUNCIL and of other American investigators, and for reports on the meetings and other activities of the ACADEMY and of the COUNCIL.
340. lappuse - Crustacea. AS PACKARD. Read April 21, 1885. Plate opposite page 137, and Plate 4. Pp. 135-139. 16. On the Carboniferous Xiphosurous fauna of North America. AS PACKARD. Read November 13, 1885. Plate opposite page 150, and Plates 5-7. Pp. 141-157. 17. On two new forms of Polyodont and Gonorhynchid fishes from the Eocene of the Rocky Mountains. ED COPE.
360. lappuse - Number 2. Research laboratories in industrial establishments of the United States of America. Compiled by Alfred D. Flinn. March, 1920. Pages 85. Price $1.00. [Out of print. See Number 16.] Number 3. Periodical bibliographies and abstracts for the scientific and technological journals of the world.
141. lappuse - TALIAFERRO 141 value by the 25th day. At first it looks as if the mean tends to rise even until the 32nd day. That this is not the case, however, is shown by the fact that the value on the 25th day does not vary appreciably from that of the 72nd day. The same type of result was obtained for all of the six distances shown in figure 1, namely, for the distances posterior end to parabasal body, parabasal body to nucleus, nucleus to anterior end, anterior end to end of T Lenath FIG.
326. lappuse - K is a, the degree of the subgroup composed of all the substitutions of G which omit a given letter being n — a.
339. lappuse - On a method of precisely measuring the vibratory periods of tuning-forks, and the determination of the laws of the vibrations of forks; with special reference to these facts and laws to the action of a simple chronoscope.
66. lappuse - The volume of many metals at 0° C. and 12,000 kg. [per cm.2] is less than the volume at atmospheric pressure at 0° Abs. The resistance of most metals tends towards zero at 0° Abs., but at 0° C. at the same volume the resistance is only a few per cent less than under normal conditions.
359. lappuse - Report of research under the joint auspices of the US Bureau of Mines and the National Research Council. By SP HOWELL.