Science, Volume 134John Michels (Journalist) American Association for the Advancement of Science, 1961 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Page 312
... Factors Involved in the Control of Lignification An intriguing aspect of lignification is that of the factors which exert the controlling influence on this process . Very young plants often appear to con- tain little lignin , and in ...
... Factors Involved in the Control of Lignification An intriguing aspect of lignification is that of the factors which exert the controlling influence on this process . Very young plants often appear to con- tain little lignin , and in ...
Page 12
... factors " in- cluded studies of the effects of sub- marines , day nurseries , air raids , night Fig . 2. Sleep as an ... FACTORS PSYCHOLOGICAL FACTORS PHYSIOLOGICAL FACTORS IGNS 2 DRUG 3 AGE 4 OTHER PATHOLOGICAL FACTORS I PHYSIOLOGICAL 2 ...
... factors " in- cluded studies of the effects of sub- marines , day nurseries , air raids , night Fig . 2. Sleep as an ... FACTORS PSYCHOLOGICAL FACTORS PHYSIOLOGICAL FACTORS IGNS 2 DRUG 3 AGE 4 OTHER PATHOLOGICAL FACTORS I PHYSIOLOGICAL 2 ...
Page
... factor " represented by the ratio of ED50 to LD50 . This is dangerous . Those who use chemicals to produce an effect on living material are con- cerned with the factors which determine the intensity of activity . These factors can be ...
... factor " represented by the ratio of ED50 to LD50 . This is dangerous . Those who use chemicals to produce an effect on living material are con- cerned with the factors which determine the intensity of activity . These factors can be ...
Contents
Millipore | 640 |
DETERMINATION | 654 |
Particles containing lead in both soluble | 672 |
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AAAS activity American amino acid analysis animals areas arginine Association Atomic BAUSCH & LOMB Big Science biological blood brain Calif cells Chem chemical Chemistry concentration Conf congr crystals culture curve Department Dept dose drug effect electron ence energy enzyme experiments Exptl factors Fermi Fermi surface field fluorescence Fraunhofer lines frequency gene genetic guanidine Illus imipramine increase infected Institute instrument International Laboratory lignin material measure Medical melanocytes ment mice molecules National nuclear nucleic acid observed organic percent phenobarbital phonons physical Physiol pipettes plants poliovirus present problem produced protein radiation radio range References and Notes resistance Russian sample Science scientific scientists serum Service card shikimic acid signal space specific surface temperature theory thiamine tion tissue transferrin trehalose tritium ture United Univ University virus volume Washington x-ray York