基本解釋丁古同根派生 Dingu相關(guān)詞英漢例句Two methods for preparing crystallised dintroglycoluril (DINGU) via.recrystallization from nitric acid or nitration of glycoluril in mixed acid of HNO_3-H_2SO_4 were investigated. 介紹了用硝酸重結(jié)晶及用硝硫混酸硝化甘脲直接制備二硝基甘脲晶躰的方法及用二甲基亞碸制備二硝基甘脲晶躰的結(jié)果。Dingu更多例句