Additionally the microorganisms must be supplied in the growth medium with nitrogen-containing compounds such as ammonium sulfate, ammonia, or urea, as well as with inorganic phosphates.

另外必须提供的微生物在与含氮如硫酸铵，氨水或尿素化合物生长介质，以及与无机磷酸盐。

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Chlorosulfonyl isocyanate as an important intermediate was applied toward the syntheses of four to seven member heterocyclic compounds containing oxygen, nitrogen, sulfur atoms.

氯磺酰异氰酸酯可用于合成含氧、氮、硫等原子的四至七元杂环化合物。

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Novel thio-substituted, nitrogen-containing, heterocyclic phosphonate compounds, pharmaceutical compositions, and methods of treating abnormal calcium and phosphate metabolism.

新的硫取代含氮杂环膦酸化合物，药物组合物，和治疗钙与磷酸盐异常代谢的方法。

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At the heart of the molecule are four different nitrogen-containing compounds called bases.

BBC: DNA pioneer is honoured

He searched for years and eventually lighted on a mixture of oleic acid (a fatty acid found in various vegetable oils) and nitrogen-containing compounds called amines.

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