“non-protein nitrogen”的概念、定义、翻译、参考文献-科学参考

单词	non-protein nitrogen
释义	non-protein nitrogen Encyclopedia 农学非蛋白氮释 non-protein nitrogen; NPN非蛋白质氮粗蛋白质中除了真蛋白质外，其他游离氨基酸、肽、酰胺、生物碱、有机碱、氨、尿素、尿酸和硝酸盐等含氮化合物的统称。
随便看	enzyme catalyzed polymerization enzyme concentration of regulation enzyme coupling analysis enzyme directed evolution enzyme electrode enzyme electrode sensor Enzyme Engineering enzyme engineering Enzyme Engineering Handbook enzyme function enzyme immobilization enzyme immunoassay enzyme induction enzyme inhibition enzyme inhibitor enzyme inhibitor screening enzyme kinetics enzyme-labelled antibody technique enzyme-like catalysis of nanomaterials enzyme-like polymer enzyme linked immunosorbent assay enzyme-linked immunosorbent assay enzyme-linked immunosorbent assay (ELISA) enzyme-linked immunosorbent assay，ELISA enzyme-linked immunospot assay，ELISPOT

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