In the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂.Dichloroethane can be converted to VCM.二氯乙烷被转化为氯乙烯.Objective : To investigate the CT and MRI features of Subac...
Both lungs will have innumerable metastatic foci and lymphangitic involvement.双侧肺内出现无数的转移病灶和淋巴管性播散.The silica induces a fibrogenic response by macrophages to produce the nodular foci of collagen deposition.巨噬细胞吞噬二氧化硅诱发纤维...
The wedding will be at the Brompton Oratory next month.婚礼将于下月在布朗普顿礼拜堂举行。He displayed determination as well as powerful oratory.他既展示出震撼人心的雄辩术，又显露了矢志不移的决心。I admire the oratory of some politicians.我佩服某些政治家的辩才....
耗资75万美元、有雪儿等艺人出镜的新的名人电视促销节目近来播出了。New $750,000 infomercials, featuring artists like Cher, have recently hit the screens.这会让你的促销品显得个性十足、格调高雅。This will give your promotional material individuality and style.1984年，雷明顿公司在广告和促...