To improve the IR absorption of hydrotalcite, we intercalate SO 42 - to partly replace CO 32 - of interlayer.对水滑石红外吸收机理的研究表明,水滑石的层间阴离子起主要作用, 层板具有协同效应.为提高水滑石的红外吸收选择性,通过对不同阴离子的分析和筛选,确定在水滑石层间插入硫酸根.Veiws evidently intercalat...
At a W.H.O. news conference, Marie-Paule Kieny, chief of the W.H.O.'s vaccine research initiative, estimated that the world's vaccine makers had the capacity to make a maximum of one to two billion doses of a n...
口试后，我私下里与那位考生谈了谈。I spoke privately to the candidate after the oral.所有的考生必须先参加口试.All candidates must first be orally examined.试卷全部收回后考生才可离开座位.Candidates shall remain in their seats until all the papers have been collected...
He was noted for his indolence.他的懒惰是出了名的。In Shirley's nature prevailed at times an easy indolence.射利的性情有时会显得懒懒散散.Its tendency to archaic language was tempered by the indolence of its exponents.它的应用古语的趋势却被用语者的懒散所冲淡.W...