例句 /

In this paper, a varieties of purification processes are carefully discussed according to three methods of synthesis of diphenyl carbonate.

In this paper, a varieties of purification processes are carefully discussed according to three methods of synthesis of diphenyl carbonate.

摘要本文按合成碳酸二苯酯的三种方法-光气法、酯交换法和氧化羰化法,详细介绍了碳酸二苯酯的提纯工艺。