The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).
研究丙烯酯和甲醇经酯交制备二甲酯的催反应工艺条件。
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It included Nicki Minaj, Lil Wayne, LL Cool J, and DMC of Run-DMC.
表演者包括妮琪·米娜,李·韦,里·库和大嘴跑火车组合的丹伊·丹尼。
Among the performers were Public Enemy, Grandmaster Flash, Ice-T, Run DMC, Busta Rhymes, Queen Latifah and Missy Elliott.
表演者包括Public Enemy、Grandmaster Flash、Ice-T、Run DMC、Busta Rhymes、Queen Latifah和Missy Elliott。
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