The method and the condition of separation epoxy ethane from dihydric alcohol are described.
介紹了環(huán)氧乙烷與二元醇的分離方法和條件.
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The Preparation method of cheap aluminium dihydric phosphate and its application in refractories have been intro - duced.
提供了廉價(jià)磷酸二氫鋁的制備方法,介紹了它在耐火材料中的應(yīng)用.
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