英语语法分析

Objective: to construct inhibin expression vector with high immunogenicity.

目的：构建高免疫原性的抑制素真核表达载体。

The advantages of passive immunization against inhibin of ewes were economic, security and good effect.

制备高效抑制素抗体对羊进行被动免疫具有经济、安全、效果好等优点。

The inhibin plasmid DNA was extracted and purified by alkaline lysis method and DEAE-fiber column chromatography and its concn.

采用碱裂解法与DEAE -纤维柱层析法提取与纯化抑制素质粒dna，用分光光度法测定其浓度和纯度。