Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed.综述了二碘化钐在分子内环化反应中的应用.Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studie...
Cyclization occurs readily with dilute alkali.遇到稀碱就容易环化.Menthol was obtained from lemon eucalyptus oil via cyclization and catalytic hydrogenation.以柠檬桉叶油为主要原料经环化、催化氢化二步反应得到薄荷醇.METHODS Cilnidipine was synthesized from cin...
乔安娜听见他撞到了桌子上，又骂骂咧咧的。Joanna heard him bump into the table and curse again.“你可得做得比那好，”乔安娜讥讽地说。"You'll have to do better than that," Joanna scoffed.出于慎重，乔安娜说这些话时一直压低声音。Prudently, Joanna spoke none of this aloud....
They were really sexing it up last night.他们昨夜亲热得难舍难分.Examples are blood testing, debeaking, vaccinating , inseminating, sexing, weighing and movingfrom one location to another.这些例子有血检 、 断喙 、 免疫接种、授精 、 性别鉴定 、 称重以及转运鸡群....
Marketers are still figuring out what makes them tick.市场商人仍然正在理解什么使他们画勾号.Effective online marketers do not merely transfer hard - copy ads to cyberspace.讲求实效的网络营销者们绝不是简单地把平面广告抄送到网页上.But celebrity endorsements remain an i...
我们真诚欢迎来电咨询或来板试样.We sincerely welcome to inquire or to sample plate.事物变化, 周围的人或来 或 走, 感恩我们拥有的.Things change, people come & go, appreciate what you have.我们真诚欢迎国内外新老客户光临订货或来图来样定做.Customers and abroad are welcome to visit ou...
Every dish was served heavily spiced.端上来的每道菜都加了很多佐料。They spiced their conversations and discussions with intrigue.他们的谈话和讨论透着些许的神秘。Have you spiced this cake?这蛋糕中加香料了 吗 ?...
A minimum 28,800 bps modem is probably the slowest you'll want to put up with.传输速度为 28,800 比特/秒的调制解调器很可能是你愿意忍受的最低速度的解调器。He hopes to complete in the slowest six months.他假装曾读过那本书.The thumbnail grows the slowest and th...