查询词典 bromides

Using the CuCl CO 2 as catalyst, the processes of alkoxylation of non activated aromatic bromides were studied.

使用CuCl－CO2为催化剂，研究了非活性芳香溴化物烷氧基化反应条件。

With an annual production capacity of 30,000 tons of various inorganic bromides, our export volume reaches 20,000 tons every year.

公司已形成年产各类无机溴化物30000吨的生产能力，产品相继出口中东及美国、英国、日本、韩国等十几个国家和地区，年出口量达20000吨以上。

Which Bromides/Photosets did you dislike the most?

哪一部舞台剧的照片/套图最不好看？

In this dissertation, we show an ion velocity map imaging system made by us and apply it to research the phtodissociation dynamics of alkyl bromides.

在攻读博士学位期间，作者主要从事分子的光解动力学研究，在导师的指导下建立了一套离子速度影象装置，并在新建立的装置上开展了系列溴代烷烃的紫外光解动力学研究，获得了一些富有意义的研究成果。

And recently, thanks to how nicely Confucian bromides fit in with talk of a "harmonious society," the sage has gotten official support.

最近则得益于孔夫子的观点对&和谐社会&恰到好处的迎合，使这位哲人得到官方支持。

And recently, thanks to how nicely Confucian bromides fit in with talk of a "harmonious society," the sage has gotten official support.

最近，得益于孔子理论恰好与&和谐社会&的论调一致，它因此等于得到了官方的支持。

4 Kinds of methylthiazoline multithioether s were synthesized from the nucleophilic substitution of 5-methyl-thiazolidine-2-thione reacting with bromides,respectively.

通过5-甲基-2-噻唑烷硫酮与溴代物的亲核取代反应合成了四种甲基噻唑啉多头硫醚，利用红外光谱、核磁共振(1H NMR)光谱和元素分析对这四种化合物的结构进行了表征。

They noted that bromides were more potent inhibitors than chlorides, and that potassium salts exhibited greater effectiveness than sodium or magnesium salts.

他们指出，溴化物的抑制作用强于氯化物，而钾盐的抑制作用比钠盐或镁盐更强。

Senator Obama promises change but there is little evidence from the Democratic platform that it goes beyond standard bromides such as healthcare reform.

参议员奥巴马承诺进行改革，但民主党的施政纲领几乎没有什么新意，仍然没有摆脱诸如医疗改革等陈词滥调。

Suzuki cross-coupling of aryl bromides with arylboronic acid is one of effective methods to form biphenyl derivatives in organic synthesis.

在有机合成中，Suzuki交叉偶联反应是制备联苯类化合物最重要的方法之一，本论文设计并合成了二个P⌒O系列、一个P⌒N系列双齿配位的钯配合物。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。