The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.
介绍环氧乙烷与二元醇的分离法和条件。
The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.
介绍环氧乙烷与二元醇的分离法和条件。
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的制法,介绍它在料中的应用。
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