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volatile basic nitrogen
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volatile basic nitrogen
Encyclopedia
农学
饲料微生物污染防控
释
volatile basic nitrogen
挥发性盐基氮
动物性蛋白饲料由于酶和细菌的作用发生蛋白质分解而产生的氨和胺类等碱性含氮物质。
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cohomology extension
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cohomology of a Lie algebra
cohomology of a manifold
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cohomology of a projective space
cohomology of a ring
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