知识贝壳
知识贝壳
所属栏目：发酵生物技术英语
Gel filtration and affinity chromatography are useful laboratory methods which have not so far been applied to large scale production.However,there are many examples of low-volumn high-value products which justify the use of these expensive and labourinte ......（本文共 2034 字 ） [阅读本文] >>