radiation n balance 辐射平衡
n-balance 氮平衡
chain n balance 链式天平
n balance sheet 氮素平衡
kelvin n balance 开尔芬秤
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。
参考来源 - 蔬菜保护地氮素利用与去向研究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·2,447,543篇论文数据，部分数据来源于NoteExpress
From the N balance trials, it can be inferred that broiler reared under IL have improved DM digestibility andefficancy of dietal N retention.
氮平衡试验表明，IL可提高干物质消化率和氮利用效率。
The study of nitrogen balance in stock farming system is the basis of nutrient management in animal husbandry production, and the determination of N cycling parameters is the foundation of this study.
畜牧系统中N流动与平衡的研究是畜牧业进行养分资源管理的基础，而参数的确定又是研究养分循环与平衡的基础工作。
For the balance of the section, let’s speak instraightforwardand elementary terms to describe the n and form ofthe electroniccomputer.
为使这一节平衡起见，我们将用简单明瞭的术语来描述这种电子电脑的功能和形式。
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