The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.
介绍
环氧乙烷与二元醇
分离方法和条件。
The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.
介绍环氧乙烷与二元醇分离方法和条件。
The Preparation method of cheap aluminium dihydric phosphate and its application in refractories have been intro-duced.
提供廉价磷酸二氢铝制备方法，介绍它在耐火材料中应用。
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