ScienceJohn Michels (Journalist) 1952 |
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Стр. 50
... increase of selection pressure always proportional to the concentration of toxic agent already attained . A gradual increase in the toxicity of the environment is of relatively great significance in attainment of the penicillin pattern ...
... increase of selection pressure always proportional to the concentration of toxic agent already attained . A gradual increase in the toxicity of the environment is of relatively great significance in attainment of the penicillin pattern ...
Стр. 482
... increase the growth rate of chickens ( 1 ) , rats ( 2 ) , and pigs ( 3 ) . The mechanism of such growth stimulation is not understood , but it has been suggested that it is related to surface - active properties ( 4 ) . During a study ...
... increase the growth rate of chickens ( 1 ) , rats ( 2 ) , and pigs ( 3 ) . The mechanism of such growth stimulation is not understood , but it has been suggested that it is related to surface - active properties ( 4 ) . During a study ...
Стр. 483
... increased the activity , but the increase seemed o be independent of concentration or kind of salt . A considerably greater increase in activity was oberved when Roccal was used - about double the mount of activation afforded by the ...
... increased the activity , but the increase seemed o be independent of concentration or kind of salt . A considerably greater increase in activity was oberved when Roccal was used - about double the mount of activation afforded by the ...
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acid activity addition American amount animals Annual appear applied appointed Association blood cells changes Chemical Chemistry College Committee Company complete concentration Conference containing Continuing Council culture Department determined direct director Division Education effect engineering experimental experiments field given growth Health important increase indicated Industrial Institute interest International John Laboratory light material measured Medical Medicine meeting ment method Michigan nature normal observed obtained Office operation organic Patient period physical plant position possible prepared present president problems production professor Public range received recent record References reported represent response samples School Science scientific Sept Service shown Society solution specific strain Table temperature tion tissue tracking United University volume Washington York
Библиографические данные
| Название | Science |
| Редактор | John Michels (Journalist) |
| Соавтор | American Association for the Advancement of Science |
| Опубликована: | 1952 |
| Владелец оригинала: | Университет штата Миннесота |
| Оцифровано | 18 дек 2019 |
| Экспорт цитаты | BiBTeX EndNote RefMan |