... 必要氮损失 obligatory nitrogen losses 代谢氮 metabolic nitrogen 粪代谢氮 metabolic fecal nitrogen ...
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内源代谢氮 endogenous metabolic nitrogen
氮代谢 nitrogen mobilization ; metabolizm azotu ; nitric metabolism ; [植] nitrogen metabolism
氮代谢关键酶 N-metabolic key enzymes ; key enzymes in nitrogen metabolism
硝态氮代谢库 nitrate metabolic pool
排尿素氮代谢的 ureotelic
代谢粪中氮 metabolic fecal nitrogen
氧化氮代谢物 nitric oxide metabolites ; NOX
氮素代谢 nitrogen metabolization ; nitrogen metabolism
一氧化氮代谢物 nitric oxide metabolites ; NOX
烟草是中国一种重要的经济作物，而氮是植物必需的矿质养分，研究烟草碳氮代谢规律，对指导烟草的生产具有重要的作用。
Tobacco is an important economic crop, and nitrogen is essential mineral element. Studies on carbon and nitrogenous metabolism of tobacco have important action on tobacco production.
例如，锰对作物中无数过程有重要作用，如光合作用、氮和碳水化合物新陈代谢，以及抵抗病害。
For example, manganese plays an important role in numerous processes in plants, such as photosynthesis, nitrogen and carbohydrate metabolism, and defense against diseases.
本文研究了硼砂对绵羊营养物质消化率及氮代谢的影响。
Effects of borax on digestibility of nutrients and nitrogen metabolism in sheep were investigated.
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