英语语法分析

Mutations of specific amino acids in ALS have been known to confer resistance to ALS-inhibiting herbicides such as sulfonylureas and pyrimidinyl carboxy (PC) herbicides.

已知乙酰乳酸合酶特定氨基酸突变可以提高对抑制乙酰乳酸合酶类除草剂的抗性，如碘酰脲类和嘧啶羧酸类除草剂。

Objective: To establish an HPLC method to determine the plasma concentrations of buspirone hydro-chloride (BuHCl) and its active metabolite 1 - pyrimidinyl - piperazine(1 - PP).

目的：建立高效液相色谱法测定血浆中盐酸丁螺环酮及其活性代谢物1-嘧啶哌嗪浓度的方法。