常見(jiàn)例句雙語(yǔ)例句The relationship between the high selectivity of catalysis and the structure of active centre of copper colloidal catalyst in selective hydration of acrylonitrile to acrylamide was studied.研究了膠體銅催化丙烯腈水合制丙烯酰胺的高選擇性與活性中心結(jié)構(gòu)的關(guān)系。 返回 selective hydration