钛对再结晶石墨制备过程的催化作用可以用液相转化机理来解释。
The catalytic role of titanium to preparing recrystallized graphite can be explained by the liquid phase transition mechanism.
脂肪酶催化作用发生在油-水界面上，是一种典型的界面酶，因此其活力测定有别于其他的水相酶。
Considering lipases to catalyse at the lipid-water interfaces, the detection of lipases activity is different from other hydrolytic enzymes.
聚乙二醇600的相转移催化作用明显，精制后产品收率在89%以上。
Polyethylene glycol 600 showed good phase transfer catalytic effect; the yield after purification was above 89%.
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