英语语法分析

Study on Production of Chiral Acetoin and (2s, 3s) -2, 3-butanediol by Biocatalysis.

生物法生产手性乙偶姻及(2s, 3s) - 2,3 -丁二醇的研究。

Acetoin is one of the widely-used flavors, which is mainly chemically synthesized and produced by microbe.

乙偶姻是一种应用广泛的食用香料，目前主要通过化学法合成和生物发酵法制备。

Acetoin was shown to function as an inducer for the expression of aco genes, whereas glucose exhibited a repression effect.

被认定为诱导物的乙醯甲基甲醇可刺激启动区的表现，而葡萄糖则表现抑制现象。