chemical and enzymatic synthesis 化学-酶催化合成 Cephradine enzymatic synthesis 头孢环己二烯酸法合成 .
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Enzymatic and Chemical Synthesis 糖链酶促和化学合成
Since isolation of oligosaccharides is tedious and enzymatic preparation of oligosaccharides is also problematic, chemical synthesis of oligosaccharides is the most popular approach at current stage.
鉴于通过分离手段得到所需的糖链很困难，酶法合成糖链亦存在着诸多问题，因此目前化学方法合成糖链是最佳的选择。
Many methods were investigated for the synthesis of the single enantiomer of the chiral intermediate, including chemical resolution, chemical asymmetric synthesis and chemo-enzymatic synthesis.
研究人员采用多种方法合成单一构型的地尔硫卓手性中间体，其中包括化学拆分、化学不对称合成以及化学-酶法合成等方法。
As compared with chemical synthesis, microbial fermentation and other methods, enzymatic conversion has the broadest prospect and is the most economic one.
肉碱的生产方法有化学合成、微生物发酵、微生物酶法转化等，其中微生物酶法转化被认为是一种最经济且最有前途的方法。
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