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qwky2010(½ð±Ò+15, ·­ÒëEPI+1): ллÄã°¡ 2011-05-27 18:35:05
Techniques of enzymatic production of A are relatively well practiced. But some crucial problems still need improving. First, high enzyme price leads to increasing of production cost. Second, continuous production is hindered. Thirld, genetically modified strains cannot yet meet needs of industrial production
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