nitrogen element
- 氮元素：一种化学元素，符号为N，原子序数为7，无色、无味、无臭的气体，占据大气中约78%的体积。氮元素在生物体中起着重要作用，是生物体生长和维持生命所必需的元素之一。
网络释义专业释义
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氮素 - 引用次数：9
Conclusion Leaf is the most important organ for absorbing and assimilating nitrogen element and spike is the organ with strongest retransfer ability of nitrogen after spinning.
结论叶是最重要的吸收同化氮素的器官,穗在吐丝后是氮素再转运能力最强的器官。
参考来源 - 不同玉米品种生育期内含氮率的差异分析
·2,447,543篇论文数据，部分数据来源于NoteExpress
双语例句原声例句权威例句
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XPS data reveal that the state and the content of nitrogen element in the surface layers correlate fairly with the catalytic activity.
XPS实验结果证明活性炭表面氮元素的电子结构及含量对催化氧化活性有显著的影响。
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The principles of assimilation and accumulation of nitrogen element based on different fertilization levels and planting densities was researched.
研究了不同密度和施肥水平下的水稻氮素吸收和积累的规律。
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During the combustion process of coal, the nitrogen element in coal may turn to various oxides of nitrogen, thereby, resulting in ambient pollution.
煤中氮元素在煤燃烧过程中会转化为各种氮的氧化物，从而造成环境污染。
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