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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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combustion equipment for furnaces in metallurgical industry
combustion feedback and control
combustion front
combustion heat
combustion improver
combustion in circulating fluidized bed
combustion inhibitor
combustion in internal combustion engines
combustion instability
combustion mode
combustion model
combustion mode of the boilers
combustion noise
combustion nucleus
combustion of high pressure oxygen pipe
combustion of solid propellant
combustion path
combustion path control
combustion potential
combustion process
combustion process control system
combustion products
combustion quality parameter
combustion rate
combustion reaction control
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