英语语法分析

Objective: To study the anticancer activity of Syngnathus invitro.

目的：筛选不同品种海龙的体外抗肿瘤活性部位。

Objective: To improve the dissolution of the sulfamethoxazole invitro.

前言：目的：提高磺胺甲恶唑的体外溶出速率。

Invitro release of naltrexone microspheres prepared with the various PLGA were compared.

以其为载体制备纳曲酮微球，比较了体外释药速率。