高效表达高比活植酸酶是进一步提高植酸酶发酵效价、降低植酸酶生产成本的一个有效途径。
High-level expression of phytase with high specific activity is an effective way to improve phytase fermentation potency and reduce its production cost.
高效表达高比活木聚糖酶是进一步提高木聚糖酶发酵效价、降低其生产成本的有效途径。
High-level expression of xylanase with high specific activity is an effective way to improve xylanase fermentation potency in recombinant host and decrease its production costs.
在这个研究中，340名孕妇在孕期第三个三个月中被随机的分配接受灭活流感疫苗或者23 -价肺炎球菌多糖疫苗注射(对照)。
In this study, 340 pregnant women in the third trimester were randomly assigned to receive inactivated influenza vaccine or the 23-valent pneumococcal polysaccharide vaccine (control).
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