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畜牧人

標題: 請教各位：蛋白質含氮量？ [打印本頁]
作者: 毅石    時間: 2011-7-15 21:39
標題: 請教各位：蛋白質含氮量？
今天看書遇到一個問題：粗蛋白的平均含氮量為16%。請問16%是如何計算的？
作者: lsy304    時間: 2011-7-16 17:32
蛋白含氮量的經驗值，都這么算就有可比性了



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