nitrogen balance

基本解释

What you can do is try to maintain nitrogen balance.
你能做的就是尽量保持氮平衡。
Any attempt to restore the nitrogen balance on our planet requires far more understanding than we now have of how nitrogen moves through the environment.
任何试图去保持氮平衡的尝试都需要我们更多地去了解氮元素是如何在地球上循环的。
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And the purpose of nutritional support is to keep nitrogen balance , strengthen the cellular metabolism , improve tissue functions and speed up habilitation of cerebral patients.
营养支持的目的是维持氮平衡、维护细胞代谢、改善组织器官（包括脑组织）功能，促进脑血管病人的康复。
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But, as you know, air is only 20% oxygen, the balance being nitrogen.
但是你知道空气中只有20%的是氧气，大部分的是氮气。
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In addition to potassium (Potash), nitrogen, and phosphate are the other two ingredients, in proper balance, necessary to increase crop output and promote overall health of plants.
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氮素平衡
The analysis of apparent nitrogen balance in the year-round greenhouse tomato cultivating system showed that apparent nitrogen loss increased with nitrogen supply level.
对日光温室番茄生产系统氮素平衡的分析表明，表观氮素损失随施氮量增加而升高，在总氮素供应水平处于200-800 kg·hm-2 N之间时，表观氮素损失量与总氮素供应水平呈正相关。
氮平衡
Based on the additional carbon skeleton of Ala compared to （NH4）SO4, these resulted suggested that carbon/nitrogen balance play a important role in the different regulation of the enzyme activity.
基于Ala碳骨架的存在,这些结果表明,碳/氮平衡是影响这些酶活性差别表达的主要原因。
氮量平衡

氮平衡
Nitrogen balance, body weightand body mass index （BMI） were determined at day 1, 7, 14, 21.
观察记录体重、体重指数变化，测定氮平衡。
生物学
氮平衡
氮均衡