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氮平衡指数
anim.husb.
nitrogen balance index
food.serv.
nitrogen-balance index
氮平衡指数
计算蛋白质生物价值的一种指标,表示和氮吸收相关的氮平衡变化比率,此比值越高蛋白质的生物价值越大
anim.husb.
nitrogen-balance index
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