ScienceJohn Michels (Journalist) 1954 |
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Стр. 67
... contain a considerable amount of organic material ; however , no analyses for nitrogen seem to be available . If one ... containing a considerable percent- age of nitrogen could form in such gas mixtures ( 18 ) in the presence of light ...
... contain a considerable amount of organic material ; however , no analyses for nitrogen seem to be available . If one ... containing a considerable percent- age of nitrogen could form in such gas mixtures ( 18 ) in the presence of light ...
Стр. 185
... containing aqueous extract of pigeon liver acetone powder added to rat brain homogenate for aerobic acetylation of sulfanilamide as well as the same pigeon liver extract alone , anaerobically . The addition of adenosinetriphosphate ...
... containing aqueous extract of pigeon liver acetone powder added to rat brain homogenate for aerobic acetylation of sulfanilamide as well as the same pigeon liver extract alone , anaerobically . The addition of adenosinetriphosphate ...
Стр. 216
... containing a bacteriostatic substance from vitrain from a coal of subbitumi- nous rank by the vacuum method of extraction with acetone , and right , a portion of this same filter paper in a Petri dish containing a culture of B. subtilis ...
... containing a bacteriostatic substance from vitrain from a coal of subbitumi- nous rank by the vacuum method of extraction with acetone , and right , a portion of this same filter paper in a Petri dish containing a culture of B. subtilis ...
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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