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The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).

研究了碳丙烯酯和醇经酯交换制备碳酯的催剂及反条件。

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It presented the synthetic methods as well as experiment results of brominated or chlorinated propyl antimonites and its intermediate propenyl anti-monite.

介绍了溴(氯)代丙基亚锑酯及其中间体烯丙基亚锑酯的合成方法及用试验结果。

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nonelective, non-electric, nonelectrogenic, nonelectrolyte, nonelectrolyty, nonelectronic, non-element, nonelementary, nonelimination, nonembedded,

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3G, 401(K), a,

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