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NPN
释义
NPN
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。
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unit morphism
unit multiplier
unit neighborhood graph
unit normal
unit normal vector
unit of a field
unit of a group
unit of a lattice
unit of an adjunction
unit of an adjunction of functors
unit of an algebra
unit of angle
unit of area
unit of a ring
unit of a symmetric matrix
unit of a vector lattice
unit of evolution
unit of exposure
unit of fire safety management system
unit of fit
unit of geological mapping
unit of length
unit of translation
unit of volume
unit of water discharge in ancient china
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