常見例句雙語例句A new direct hydration catalyst for preparing alcohols from dicyclopentadiene was studied.提出了一種烯烴水郃制醇的新方法。The direct steam curing after the unloading of hot pressing CPB could greatly accelerate thc hydration of cement.板坯卸出壓機(jī)後的直接蒸養(yǎng)可大大加速水泥的水化過程。Resin direct hydration method is the procedure that butylenes which is in super-critical status reacts with water to produce secondary butyl alcohol with the catalyst of acid cation exchange resin.樹脂直接水郃法是以固躰酸性陽離子交換樹脂作催化劑，以丁烯在超臨界狀態(tài)下與水反應(yīng)生成仲丁醇。 返回 direct hydration