ullmann

ullmann

 英

  • 网络乌尔曼;乌尔曼反应;乌尔曼化工百科全书

例句

Another way was to combine directly anhydrous piperazine with 2, 3-dichloro- bromobenzene through Ullmann reaction.

直接无水2,3-溴苯通过反应合成

In the 1970s it provided major backing for fringe banks such as UDT, Keyser Ullmann and Dalton Barton, which collapsed with huge losses.

世纪70年保诚UDTKeyserUllmannDaltonBarton边缘银行提供了重大支持这些银行最终巨额亏损倒闭