ScienceJohn Michels (Journalist) 1949 |
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Стр. 449
... appears a well - defined leading section . In the region of pH 4-5 there is often little or no movement , and where movement does occur , no well - defined leading fraction occurs . Above this pH , a large , well - defined spot appears ...
... appears a well - defined leading section . In the region of pH 4-5 there is often little or no movement , and where movement does occur , no well - defined leading fraction occurs . Above this pH , a large , well - defined spot appears ...
Стр. 473
... appears to have prac- tically no proteolytic effect . Subsequent treatment with perchloric acid at an elevated ... appears from these results that treatment of sec- tioned material with cold and hot perchloric acid should be useful in ...
... appears to have prac- tically no proteolytic effect . Subsequent treatment with perchloric acid at an elevated ... appears from these results that treatment of sec- tioned material with cold and hot perchloric acid should be useful in ...
Стр. 659
... appears comparable to ribonuclease . Their technique was adapted by us to slide analysis and was applied to Chilodonella in this manner : The organisms were fixed in bulk in acetic acid - alcohol ( one part acetic acid to three parts 95 ...
... appears comparable to ribonuclease . Their technique was adapted by us to slide analysis and was applied to Chilodonella in this manner : The organisms were fixed in bulk in acetic acid - alcohol ( one part acetic acid to three parts 95 ...
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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