共查询到20条相似文献，搜索用时 36 毫秒
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Frederic Brodie 《CMAJ》1927,17(12):1438-1444
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Samuel Brody Arthur C. Ragsdale Charles W. Turner 《The Journal of general physiology》1923,5(4):441-444
It is shown that the course of decline of milk secretion with the advance of the period of lactation may be expressed by the equation of a monomolecular chemical reaction; that is, the percentage decline of milk secretion with the advance of the stage of lactation is constant. This substantiates the idea that milk secretion is limited by a chemical reaction, and, in general, brings lactation into the class of processes the speed of which is determined by the concentration of a limiting substance. 相似文献
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Taussig LR 《California State Journal of Medicine》1923,21(12):520-522
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The formation from hemoglobin of split products not precipitable by trichloracetic acid is taken as a measure of tryptic activity. The split products are estimated colorimetrically. Many measurements of tryptic activity can be made in a short time and different samples of hemoglobin yield the same results. 相似文献
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H. M. Hanschell 《BMJ (Clinical research ed.)》1928,1(3499):157-158
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Andrew Balfour 《BMJ (Clinical research ed.)》1928,1(3498):114-115