以钒钛磁铁矿为试验对象，研究表面活性型助德剂的助滤性能及机理。

The performance and mechanism of active surface filter aid are researched with V-Ti magnetite as test object.

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用重组酵母测试了11种原托普生二醇型皂苷的体外雌激素活性。

The vitro estrogenic activities of 11 protopanaxadiol type saponins were tested by a recombinant yeast.

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电活性聚合物(EAP)主要有两种类型，那就是我们通常所说的离子型和电介质型(见下图)。

There are two main types of electroactive polymer (EAP), which are usually referred to as ionic and dielectric (see diagram).

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