ScienceJohn Michels (Journalist) 1938 |
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Стр. 177
... increase productivity , such increase was subject to the law of diminishing returns . The supply of capital was limited by factors of a different type . In brief , its increase involved a choice between the immediate satisfactions that ...
... increase productivity , such increase was subject to the law of diminishing returns . The supply of capital was limited by factors of a different type . In brief , its increase involved a choice between the immediate satisfactions that ...
Стр. 219
... increase in germina- tion over the untreated check , the differences were not statistically significant . None of these approached the effectiveness of the 0.5 per cent . solutions of thiourea , allyl thiourea , ammonium thiocyanate and ...
... increase in germina- tion over the untreated check , the differences were not statistically significant . None of these approached the effectiveness of the 0.5 per cent . solutions of thiourea , allyl thiourea , ammonium thiocyanate and ...
Стр. 442
... increase of 43 per cent . in the total carotinoid content per unit weight . There was the same per- centage increase in vitamin A activity , since both the active carotinoids , beta carotin and cryptoxanthin , and the inactive ...
... increase of 43 per cent . in the total carotinoid content per unit weight . There was the same per- centage increase in vitamin A activity , since both the active carotinoids , beta carotin and cryptoxanthin , and the inactive ...
Содержание
Sci 105 | 1 |
KINARD F W South Carolina Academy of Science 553 | 22 |
FINKELSTEIN R and J M BIRKELAND Action of Sul | 43 |
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