Science, Том 58American Association for the Advancement of Science, 1923 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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Стр. 79
... increase or main- tain organic matter in the soil unless nitrogen is in- creased or maintained in like proportion , and , con- versely , it is impossible to increase the organic nitro- gen without a proportional increase in the total or ...
... increase or main- tain organic matter in the soil unless nitrogen is in- creased or maintained in like proportion , and , con- versely , it is impossible to increase the organic nitro- gen without a proportional increase in the total or ...
Стр. 127
... increasing these factors beyond a certain limit is neither desirable nor profitable , as the increase in pene- tration beyond that point would be more than offset by the increase in time to give a certain amount of radiation . A ...
... increasing these factors beyond a certain limit is neither desirable nor profitable , as the increase in pene- tration beyond that point would be more than offset by the increase in time to give a certain amount of radiation . A ...
Стр. 379
... increase in the hydrogen ion concentration within the cell . The heart is a unique organ in that it is dependent upon itself for its own circulation . The conception is not a new one that with cardiac failure the myocardium suffers for ...
... increase in the hydrogen ion concentration within the cell . The heart is a unique organ in that it is dependent upon itself for its own circulation . The conception is not a new one that with cardiac failure the myocardium suffers for ...
Содержание
Acidity Subsoil A P KELLEY 36 | 13 |
Quotations 14 32 50 92 109 121 142 162 181 206 | 14 |
VOL LVIII | 20 |
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acid active Advancement of Science Agriculture American Association American Chemical Society animals annual apothecia apparatus appointed Arthur Gordon Webster Asso atom awarded benzene biological British Bureau California cells cent chairman chemist chemistry College committee Congress director discussion disease division effect electrical electrons engineering entomologists Experiment Station experimental fact fessor field forest geology given Golgi apparatus Grand Central Terminal helium hydrogen ical important increase industry Institute interest investigations laboratory lecture magnetic mathematics matter Medical medicine meeting ment method micronucleus Mount Wilson Observatory Museum National nature nucleus observations Observatory obtained organization papers Pasteur physics physiology plant possible present president problems Professor recently relation Research Council School scientific secretary Section session Sigma Xi soil solution species STANFORD UNIVERSITY stars temperature theory tion United University versity Washington X-rays York Zoological zoology