Soil N apparent balance土壤N素表观平衡
precision n torsion balance精密扭力天平
precision n standard balance精密标准天平
anion n cation balance阴阳离子平衡
precision n rapid balance精密快速天平
n New Balance荷里活广场店
n-balance氮平衡
foreign n currency balance外汇平衡
precision n torque balance精密扭矩天平
The annual input of N was the second main resources in the N balance system of soil～vegetable.
年度氮素平衡体系中,氮素投入是主要输入项。
The experiment was conducted to study the effects of different plant proteins as proteinsource of milk replacers on performance, nutrient apparent digestibility, N balance, serumindexes , health condition and economy benefit in calves.
本试验从生长性能、营养物质表观消化率及氮平衡、血清指标、健康状况和所获得的经济效益五个方面研究了用不同植物蛋白为蛋白源的代乳料对犊牛的影响。
参考来源 - 植物蛋白代替乳蛋白在犊牛代乳料中的应用研究