Meanwhile, acetone was a polymerization inhibitor in preventing the self - polymerization ofp - methoxybenzyl chloride, and 11. 同时探索了甲氧基苄氯自聚的阻聚剂, 初选的阻聚剂丙酮可使甲氧 基苄 氯粗品的收率提高11.
Demand picked up and a reprint was required last November.由于需求量上升，去年11月，再版已是势在必行。Grateful acknowledgment is made for permission to reprint.为获准重印致以深切感谢。The book has been selling like hot cakes. The publishers are going to...
His plane made a crash-landing during a sandstorm yesterday.昨天他的飞机在沙尘暴中紧急降落。The men lost their way in a sandstorm.这些士兵在沙暴中迷了路。To keep your bearings in a desert sandstorm is impossible.在沙漠的尘暴中要想保持方位感是不可能的....
We don't know, who he is . The code name is ELIMINATOR.我们不知道他的名字, 他的代号叫“清除者”.STATICST 104 Ais a device which produces maximum air volume in benchtop eliminator series.斯蒂克ST104A离子风机是一种大风量,宽范围的离子消除器.Follow the directi...
You can't cross the road—it's like a racetrack.那条马路像赛车道一样，你不要横过那条马路。a lap of a racetrack跑道的一圈Many people dream of scorching round a racetrack.许多人梦想能绕着跑道飞奔。Indeed, he refers to the technology as a magnetic racet...
Sincflex is the earliest manufacturer in making membrane couplings in China.97年申克公司收到英国米切尔机械学会邀请参加膜片联轴器研讨会.John Crane : fitting and maintenance instructions of high performance couplings.JohnCrane: 高性能联轴器的配件及维护说明.Hoses -...
The concept of gravitational lensing is discussed as predicted by Einstein's general relativity theory.引力透镜效应的概念,讨论了爱因斯坦的广义相对论预测.The enhancement effect of water - soluble polymers for laser thermal lensing spectrosc...