Diaryl nitroxides are even more stable than the dialkyl nitroxides.二芳基氮氧化物自由基比二烷基氮氧化物自由基还要稳定.AIM To offer reference for further research of 2, 4 - diaryl - 1 , 3 - dithiolane compounds.目的为进一步设计和研究2, 4- 二芳基 -1, 3-二硫戊环类化合物...
She couldn't lift a spoon without a servant anticipating her wants and getting it for her...要是没有仆人事先想她所想并为她准备妥当，她连汤匙也举不起来。Remove the wafers with a spoon and transfer them to a plate.用勺子抄起薄饼，把它们转盛到盘子里。She digs the se...
On valves controlled remotely, the position indicators may be used for microswitch contact.当阀门处于远程时, 位置指示器可用于微动开关接触装置.All indicators of AFP surveillance system achieved the requirement of MOH.AFP病例监测系统评价指标均达到了卫生部的要求.The ...