Science, Volume 119John 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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Page 155
... Method James R. Arnold1 Institute for Nuclear Studies , University of Chicago , Chicago , Illinois Three technics of counting natural radiocarbon are now available : the screen - wall counter of Libby ( 1 , 2 ) , gas phase counters in ...
... Method James R. Arnold1 Institute for Nuclear Studies , University of Chicago , Chicago , Illinois Three technics of counting natural radiocarbon are now available : the screen - wall counter of Libby ( 1 , 2 ) , gas phase counters in ...
Page 430
... method Lung Vertebra 432 ( in yr ) Emanation method * Lung Vertebra 34 9.7 533 316 37 13.5 290 256 518 40 12.7 403 154 109 44 3.5 312 27 210 46 8.5 377 71 410 46 8.2 290 71 660 49 15.0 460 50 50 5.8 534 395 62 10.3 367 174 * Records ...
... method Lung Vertebra 432 ( in yr ) Emanation method * Lung Vertebra 34 9.7 533 316 37 13.5 290 256 518 40 12.7 403 154 109 44 3.5 312 27 210 46 8.5 377 71 410 46 8.2 290 71 660 49 15.0 460 50 50 5.8 534 395 62 10.3 367 174 * Records ...
Page 689
... method consist- ently underestimated the population . The citrus rust mite counts used a unit 1/2 in . square , covered by a lens placed over the leaf to reveal the minute mites . A sample consisted of 75 such units , with counts as ...
... method consist- ently underestimated the population . The citrus rust mite counts used a unit 1/2 in . square , covered by a lens placed over the leaf to reveal the minute mites . A sample consisted of 75 such units , with counts as ...
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AAAS acid activity Agriculture American amino acids animals Association Atomic Energy awarded Biochemistry biological Bureau California Cancer carbon cells Center chairman Chem chemical chemistry College Committee Conference cortisone Department Dept director discussion dose effect electron engineering enzyme experimental experiments fellowships field Foundation gamma rays Geological graphite Harvard Health Illus industrial investigation irradiation isatin isotopic Laboratory material measurements Medical meeting ment metabolism method mice National neutron nitrogen nuclear nucleic acid observed obtained organization papers percent phototube physics Piltdown plants present president problems production professor protein radiation radio radioactive rats reactor received recent reported samples School of Medicine Science scientific scientists Section sessions Society solar solution specific STANFORD STANFORD UNIVERSITY structure sulfaguanidine symposium Table temperature thorium tion tissue triple response triuret U.S. Geological Survey Univ University uranium versity virus Washington WBNS x-ray York