氮含量测定和粗蛋白质含量 (以干基计)Nitrogen and protein (on dry base)
GB/T谷物和豆类 氮含量测定和粗蛋白质含量计算 凯氏法
ISCereals and pulses -- Determination of the nitrogen content and calculation of the crude protein content -- Kjeldahl method
氮含量测定和粗蛋白质含量 (以干基计)Nitrogen and protein (on dry base)
GB/T谷物和豆类 氮含量测定和粗蛋白质含量计算 凯氏法
ISCereals and pulses -- Determination of the nitrogen content and calculation of the crude protein content -- Kjeldahl method
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