Science, Том 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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Стр. 135
... sample with acid for cleaning ; otherwise , separate portions of the original samples were processed and measured . Count- ing time has been limited to 48 hours except in the case of the sample from Nippur . The numbering of samples and ...
... sample with acid for cleaning ; otherwise , separate portions of the original samples were processed and measured . Count- ing time has been limited to 48 hours except in the case of the sample from Nippur . The numbering of samples and ...
Стр. 351
... sample of natural LiF between them , along the axis of the uranium sleeve . The axial attenuation at one end of the assembly was slightly too low and in consequence one of the samples was not usable . The central natural LiF sample ...
... sample of natural LiF between them , along the axis of the uranium sleeve . The axial attenuation at one end of the assembly was slightly too low and in consequence one of the samples was not usable . The central natural LiF sample ...
Стр. 620
... samples cut from leaves , paper , and so forth . The samples , having an area of 3.14 cm2 , were cut FIG . 1. Autoradiographs . On the left is a piece of asphalt shingle , 4 cm at the base . On the right is a bur- dock leaf , 6 cm ...
... samples cut from leaves , paper , and so forth . The samples , having an area of 3.14 cm2 , were cut FIG . 1. Autoradiographs . On the left is a piece of asphalt shingle , 4 cm at the base . On the right is a bur- dock leaf , 6 cm ...
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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