采用火焰光度计法测定了西宁市奶牛场饲养的青海黑白花奶牛96份血样的血钾浓度常值。
The normal values of potassium concentration in 96 blood samples were measured by means of a flame photometer from Qinghai black white cows rearing in Xining Dairy Farm.
为了研究中国黑白花奶牛红细胞钾含量的遗传性，在广州、江西和黑龙江采集测定了829头黑白花奶牛的红细胞钾含量。
In order to study the heredity of potassium content in the erythrocytes for Chinese Holstein, 829 Holstein cattles were selected from Guanzhou, Jiangxi and Heilongjiang respectively.
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