石油含氮化合物 nitrogen compounds in petroleum
有机含氮化合物 N-Contained Organic Compounds ; nitrogen-containing organic compounds
含氮有机化合物 Nitrogenous Organic Compounds ; Organic compounds of containing nitrogen
含氮杂环化合物 Nitrogenous heterocyclic compounds ; nitrogen heterocyclic ring compound
含氮芳香化合物 n-substituted aromatic compounds
含氮模型化合物 n containing model compound
Nitrogenous Compounds content of samples between month from May to October were significantly differently(P<0.001).8.
各月份之间样品的含氮化合物含量均有显著性差异(P<0.001)。
参考来源 - 牛乳中体细胞数与含氮化合物含量相关性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
有些地区虽然富含氮化合物，但浮游生物却很少。
Some areas, though rich in these nitrogen compounds, have few plankton.
浮游生物通常在海洋表面附近某些含氮化合物浓度足够高的区域大量繁殖，而海洋表面正是浮游生物生存的地方。
Plankton generally thrive in areas of the ocean with sufficient concentrations of certain nitrogen compounds near the surface, where plankton live.
调制后烟叶的总糖含量下降，含氮化合物增加。
The contents of total sugar decreased and nitrogenous substance increased.
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