It was prepared by the reaction of 12 H - dibenzo [ d , g ] [ 1,3 ] dioxocin - 6 - carboxylic acid with acetoxime. 由二苯并-1,3-二氧杂 - 环辛烷 -2- 羧酸经两步反应制得, 总收率70%.
The services are attractively priced and are tailored to suit individual requirements.服务费价格诱人且内容按个人需求量身定制。She wore a softly tailored suit.她穿了一身剪裁得体、非常服帖的套装。Special programmes of study are tailored to the needs of specifi...
The shopkeeper gave his store a final checkup before closing for the night.店主在晚上打烊前对商店作了最后检查.Service closing control ection.控制连接关闭.A fire caused the premature closing of the exhibition.火灾迫使展览会提前结束。Don't use cold wat...
Impurity doped during epitaxy will diffuse in the epitaxial layer and even into the substrate.在半导体器件制造的外延工艺中,外延生长时通常要掺入杂质.A high Er ~ ( 3 + ) - doped narrow linewidth fiber laser based on fiber Bragg grating ( FBG ) Fabr...
To the dusk, dribs and drabs drop brokenly.到黄昏, 点点滴滴.He child one side soil, read 8 years of private school brokenly the same time.他从小一面务农, 一面断断续续读了8年私塾....