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In this paper, Claisen condensation of isochroman ?4?one as starting material with diethyl oxalate is carried out to form β?diketone compound of isochroman ?4?one.

以异色满酮 4为起始原料，经Claisen缩合得其β二酮衍生物，再与水合肼进行Knorr反应环合成 3 乙氧甲酰基和 3 肼甲酰基异色满并吡唑衍生物，通过酰肼与糠醛反应成腙后，分别与巯基乙酸和氯乙酰氯反应合成了标题化合物

Big credit decisions in China are not advanced by any one bank, nor any one banker. Credit is infused and withdrawn by central diktat.

在中国，巨额贷款决议不是任何一家银行，也不是任何一位行长说的算，而是由中央银行指导注入与收回。

It is well to investigate each discipline, not as a dilettante, but as one who seeks the touchstone, one who wishes to feel the pull of the magnet.

去探讨每一种训练是好的非以业余爱好者的身分，而是以一位寻求试金石，希望去感受磁石拉力者的身分。

Of course, make sure you dilute it – one is to one is a good ratio.

当然，在使用时你一定要稀释---1：1是最好的比例。

We asked every one of our volunteers, young filmmakers and members of the Young Documentarians'Club to conduct four oral history assignments, in which they will each document three individuals (the oldest person they know, the one they know best, and someone whom they just met) and an institution that they know best (a school, a village committee, a dime store, a hospital or the company their parent works in).

每一位志愿者、青年导演和青年纪录社成员都需要在寒假期间用文字做四个口述历史的作业，三个纪录人，一个纪录机构。建议三个人中一个是纪录者认识的人当中最年长的一位、一个是纪录者最熟悉的一位、一个是纪录者新近认识的人。

Similar to one- dimensional equation , one can continue to solve it with Thomas.

与一维情况类似，可以继续利用追赶法求解。

Today's talk about the contents of two parts, one man vowed to Dingle, one operating room commonly used English.

今天要讲的内容分两部分，一是男丁格尔誓言，一是手术室常用英语。

They were always appealing, the eyes of a trusting helpness one, one dependant on human kindness, and I couldn't think of anyone wanting to be rude to him, or being unwilling to share a friendly meal if he happened to be around when the dinner bell rang.

它们总是很吸引人，一对信任的，无助的双眼。它依赖人的善良。

You can start in a small way like bring your own shopping bag or stop using drinking straws when out dinning just think, if you don't drink from one at home, why would you need one when out dinning?

例如自备购物袋或停止使用吸管（试想你会在家用吸管喝水吗？我想大多数人不会用对吗？所以在外用餐时不用有这个需要吧？

Carbon dioxide 二氧化碳 Dip your pen (1)music diploma (2)The lady is a diplomat.(1)Thinking directs one's one' action.(2)I directed him to do the work.

disabled people 把你的钢笔蘸一下(1)(1)音乐学位(2)(2)这妇女是个善于交际的人(1)(1)思想指引一个人的行为(2)(2)我命令他去做这个工作

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。