Chromatograph the Standard preparation, and record the peak responses as directed for Procedure: the relative retention times are about 0.5 for captopril and 1.0 for captopril disulfide;

将标准溶液注入色谱仪，并记录色谱图：卡托普利的相对保留时间是0.5，卡托普利二硫化物相对保留时间为1.0；

youdao

You've done the standard interview preparation. You've shown up on time and dressed in appropriate interview attire.

你进行了常规的面试准备，按时到场、衣着得体。

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Work according to standard recipes and do all the preparation. Ensure the food quality and portion accord with the standard.

按照部门安排和标准的方法加工食品，准备器具和设备等。确保出品的质量数量符合要求。

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Schools are already making professional judgements about the quality of teaching and learning, the standard of marking and the preparation and planning of individual teachers.

BBC: Performance pay: Head to head