ScienceJohn Michels (Journalist) 1954 |
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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. 382
... samples in handling , air has been found generally to contain only a few parts per billion of gaseous hydrocarbons other than methane . Hydrogen - free basis . petroliferous contamination . A portion of the inocu- lum was mixed with ...
... samples in handling , air has been found generally to contain only a few parts per billion of gaseous hydrocarbons other than methane . Hydrogen - free basis . petroliferous contamination . A portion of the inocu- lum was mixed with ...
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AAAS acid activity Agriculture alloxan American animals Association Atomic Energy awarded Biochemistry biological Bureau California Cancer carbon cells Center chairman Chem chemical chemistry College Committee concentration Conference cortisone Department Dept director discussion dose effect electron engineering enzyme experimental experiments fellowships field Foundation gamma rays Geological graphite Harvard Health Illus industrial Institute interest investigation irradiation isatin isotopic Laboratory material measurements Medical meeting ment metacinnabar method mice National neutron nitrogen nuclear nucleic acid observed obtained organization papers percent phototube physics Piltdown plants present president problems produced professor protein radiation radio radioactive rats reactor received recent reported sample saponin School of Medicine Science scientific scientists Section sessions Society solar solution specific sulfaguanidine symposium Table temperature thorium tion tissue triple response triuret U.S. Geological Survey Univ University uranium versity virus Washington WBNS x-ray York zirconium