Additionally the microorganisms must be supplied in the growth medium with nitrogen-containingcompounds 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。
2
Chlorosulfonyl isocyanate as an important intermediate was applied toward the syntheses of four to seven member heterocyclic compoundscontaining 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。
3
An asphalt-base crude is one containing a relatively high proportion of nonhydrocarbon constituents such as nitrogen, sulfur, and oxygen compounds.