Objective:To study the separation and purification technology of secoiridoid glycosides and xanthones from Swertia mussotii Franch.

目的：研究大孔吸附树脂分离纯化川西獐牙菜中环烯醚萜苷类和酮类成分的工艺。

youdao

As the synthesis technology of acephate is fairly mature, so how to improve and optimize the separation and purification technology is becoming a key problem hurry to be resolved.

由于乙酰甲胺磷原油的合成技术已经相当成熟，因此，如何改进和优化现有分离提纯工艺成为急待解决的关键问题。

youdao

In the pilot experiment of separation of purified brine with Gore membrane, we study the quality of brine treatment and brine purification as well as cleaning technology of Gore membrane scaling.

在戈尔膜分离净化卤水的中试过程中，我们对卤水处理与卤水精制的质量、膜结垢的清洗技术进行了研究。

youdao