...: 可消化氮(digestible nitrogen,DN,g/d)=食入氮(nitrogen intake,IN)-粪氮(fecal nitrogen,FN); 沉积氮(nitrogen retention,RN,g/d)=IN-FN-尿氮(urinary nitrogen,UN); 氮表观消化率(nitrogen apparent digestibility,NAD,%)=100×DN/IN; 氮利用率(nit...
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Factor Afactor B and their cross effects had no significant influence(P>0.05) on the metabolic rate of energy or nitrogen retention of lambs.
A、B 因子及其交互作用对各处理组氮存留率和能量代谢率的影响均不显著(P>0.05)。
参考来源 - 不同组合的全饲粮颗粒饲料肥育羔羊的效果·2,447,543篇论文数据,部分数据来源于NoteExpress
It could be available to control the concentration of nitrogen and phosphorus and the hydraulic retention time for algae bloom preventing.
控制氮磷浓度和水力停留时间是预防水华发生的有效措施。
A method is discussed for identifying the nitrogen heterocyclics by using GC retention data, mass spectra and MS library search results.
探索了色谱保留值与质谱信息相结合的定性分析方法。
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