Organic nitrogen is a quantitatively important component in the atmospheric deposition.

有机氮是大气中含氮物质的重要组成部分.

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Soil organic nitrogen was not a major source of nitrate contamination of groundwater beneath Shijiazhuang City.

土壤有机氮不是石家庄市地下水硝酸盐的主要污染源.

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Ammonium is toxic and is converted to organic nitrogen compounds in the root.

铵有毒,在植物根部被转化为有机含氮化合物.

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Result: The strong shoestrings were easily restored in the semi - solid medium with rich organic nitrogen source.

结果: 在富含有机氮的半固体培养基上蜜环菌最易形成粗壮的菌索.

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