常見(jiàn)例句雙語(yǔ)例句A novel preparation method for amorphous silica from coal-based kaolin was developed.介紹了以煤系高嶺土為原料制備白炭黑的新方法。A novel preparation method is described for manufacture of thermal stable supported silver catalysts.研究了一種新的熱穩(wěn)定性負(fù)載銀催化劑的制備方法。The invention relates to the field of medicine synthesis and discloses a novel preparation method and an intermediate for aripiprazole.本發(fā)明涉及藥物合成領(lǐng)域,公開(kāi)了阿立哌唑的制備新方法及其中間體。ip.com 返回 novel preparation method