ScienceJohn Michels (Journalist) 1949 |
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Стр. 279
... determined with the Beckman Spectro- photometer . Phenylalanine was determined colorimetri- cally with ninhydrin , and anthranilic acid fluorometrically with a Coleman Photofluorometer . The total recoveries of compounds from the column ...
... determined with the Beckman Spectro- photometer . Phenylalanine was determined colorimetri- cally with ninhydrin , and anthranilic acid fluorometrically with a Coleman Photofluorometer . The total recoveries of compounds from the column ...
Стр. 462
... determined aspects of his environment as derived from his past experiences . But since the environment through which man carries out his life transactions is con- stantly changing , any person is constantly running into hitches and ...
... determined aspects of his environment as derived from his past experiences . But since the environment through which man carries out his life transactions is con- stantly changing , any person is constantly running into hitches and ...
Стр. 463
... determined , predictable aspects of nature and is used by him for purposes of predic- tion and control . There are essentially two varieties of these scientific facts : general statements of rela- tionships of determined aspects of ...
... determined , predictable aspects of nature and is used by him for purposes of predic- tion and control . There are essentially two varieties of these scientific facts : general statements of rela- tionships of determined aspects of ...
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SCIENCE | 4 |
TECHNICAL PAPERS | 26 |
The Validity of the Use of Tracers to Follow | 149 |
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AAAS absorption acetylcholine action activity adaptation agricultural research Amer American amino acids ascorbic acid Atomic Beer-Lambert law biol biological cancer Chem chemical chemistry chloride College color Committee comparison area concentration containing curve Department disease effect energy enzyme esterase esters experimental experiments extinction field folic acid genetic hyaluronidase Illustrated increase Institute investigation isotopes Journal kappa kappa particles killer animals Laboratory light lupulon material measurements Medicine meiosis ment method microscope molecules muscle National nitrogen nitrogen mustard nuclear nucleic acid observed obtained optical organic oriented paper physical Physiol physiology plants present problems production professor protein publication radiation radioactive reaction reported royal jelly Science scientific scientists serum sickle cell anemia Society solution specific sporangia standard substance Table technique temperature thread tion tissue tive United Univer University values virus vitamin vitamin B12 Washington York zoospores