第二章采用批量平衡法研究了二氯喹啉酸及其代谢体BAS514 H在4种土壤中的吸附行为。
In the second chapter, absorption of Quinclorac and metabolism BAS514H in 4 kinds of soils was studied.
采用离体组织培养技术对不同经济类型猪种的脂肪合成代谢及分解代谢进行了比较研究。
Adipose tissue in vitro culture technique was taken to different economical types of pig in order to find the difference between their anabolism and catabolism.
维生素原一种由身体通过正常新陈代谢过程，将其转化成活跃形式的维生素的前体，比如，胡萝卜素是维生素a的维生素原。
A vitamin precursor that the body converts to its active form through normal metabolic processes. Carotene for example is a provitamin of vitamin a.
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