This pathway involves the transamination of prephenate to form pretyrosine . 这一途径包括预苯酸的转氨基作用,形成预酪氨酸。
The reaction is catalysed by a transaminase or an amino transferase(the terms are synonymous) . 反应是由转氨酶或氨基转移酶?(同义名词)催化的。
The results of the tests indicated that latex and polyurethane foam mattresses burned fastest . 试验结果表明,天然乳胶和聚氨基甲酸乙酯泡沫床垫燃烧得最快。
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of an amino group . 该染料的甲川链上的中位碳原子与氨基的氮原子相连。
Carbamic acid is formed in reaction(1)and this picks up another molecule of ammonia to give ammonium carbamate . 氨基甲酸按反应(1)生成,它结合另一分子氨生成氨基甲酸铵。
Aminothiazole and its homologues can be nitrated in the same way, using a double excess of nitrating mixture . 用二倍过量的混合硝化剂,能将氨基噻唑及其同系物以同样的方法硝化。
The study included polyamides, polyolefins, cellulosics, halogenated fibers, polyesters, acrylics and polyurethanes, 上述研究样品包括聚酰胺、聚烯烃,纤维素,含卤素等纤维,聚酯,聚丙烯腈和聚氨基甲酸纤维。
The amino cyclohexylcarbinols(9) derived from the fused isxoazolidine(8) were a mixture of cis and trans isomers . 从稠合的四氢异唑(8)所得到的氨基环已基甲醇(9)则是顺式和反式异构体的混合物。
Like the amino group, the phenolic group powerfully activates aromatic rings toward electrophilie substitution, and in essentially the same way . 对于亲电取代反应,酚基基本上以同氨基一样的方式使芳环强烈活化。
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye . 该染料甲川链上的碳原子与氨基的氮原子相连,而该氮原子又与染料的甲川链形成烯胺。