以下为句子列表：
英文: Using 80% dipropylene glycol and 20% 1,4-butanediol as molecular regulator could also narrow the molecular weight distribution and reduce the amount of smaller molecules in product.
中文: 研究还发现分子量调节剂对产品分子量分布有较大影响，采用混合型调节剂也能够使分子量分布变窄并降低小分子物质含量。
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英文: The results showed that yield of lactic acid and butanediol of the fusant B_~- were .～. and .～. times than those of the parent cells separatively;
中文: 该融合子乳酸产量是亲本的.～.倍,丁二醇产量是亲本的.～. 倍。
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英文: Then,in fed-batch fermentations,by the means of feeding glucose,the concentration of , -butanediol and acetoin reached 8.0 g/L and 0. g/L,respectively. The yields of diol amounted to 9% of the theoretical yields and the productivity was .8 g/(L·h).
中文: 在补料发酵培养过程中,通过补糖,, -丁二醇和 -羟基丁酮的最大产量分别达到了8.0 g/L和0. g/L,二醇的摩尔转化率达到理论水平的9%,转化速率达到.8 g/(L.h)。
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