ScienceJohn Michels (Journalist) 1954 |
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Стр. 24
... amount of control in the rods is readily obtainable . 1 The results of these measurements are shown in Table 1. It is to be noted that there is some shadowing TABLE 1. Reactivity control of control and safety rods in WBNS . O.I 100 200 ...
... amount of control in the rods is readily obtainable . 1 The results of these measurements are shown in Table 1. It is to be noted that there is some shadowing TABLE 1. Reactivity control of control and safety rods in WBNS . O.I 100 200 ...
Стр. 143
... amount of carbon dioxide equal to at least 15 percent of the amount in the atmosphere to enrich the atmosphere in C13 by 1 per mil ; this amount corresponds to 1012 metric tons of limestone or a layer 20 km square and 1 km thick which ...
... amount of carbon dioxide equal to at least 15 percent of the amount in the atmosphere to enrich the atmosphere in C13 by 1 per mil ; this amount corresponds to 1012 metric tons of limestone or a layer 20 km square and 1 km thick which ...
Стр. 430
... amounts of radioactive substance the magnitude of which is equivalent to the gamma radia- tion emitted by the proper amount of radium element . In evaluating and comparing , with these facts in mind , the presented data , the question ...
... amounts of radioactive substance the magnitude of which is equivalent to the gamma radia- tion emitted by the proper amount of radium element . In evaluating and comparing , with these facts in mind , the presented data , the question ...
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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