P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation. 以苯甲醚为原料,经过氯甲基化, 氰化反应后, 通过精馏获得对甲氧基苯乙腈,总收率为34.8%.
He reached the garden gate and thrust his way through it.他来到花园门口，挤了进去。Tony has now been thrust into the limelight, with a high-profile job.托尼现在一下子成了众人关注的中心，因为他有一份经常出镜、见报的工作。The conductor brought home the full thrust of t...
In the Homeric poems these Greek tribes speak one common language.在荷马的史诗里,这些希腊部落操一种共同的语言.I will not speak one word more.我一句话都不再讲了.He had only to speak one word and his dog would come to hell at once.他一招呼,他的狗就会应声跟来....
I noticed a chink of light at the end of the corridor.我注意到走廊尽头的一缕光线。He peered through a chink in the curtains.他透过帘子之间的缝隙偷看。a chink in the curtains窗帘上的缝隙...
ObjectiveTo discuss the causes, preventions and treatments of fractures after spinal cord injury ( SCI ) .目的探讨脊 髓 损伤后并发骨折的原因 、 预防及治疗措施.It's essential to know which is which as treatments will be quite different.由于治疗...