查询词典 iodides

Both two methods have been used to find the regularity of the formation of ternary compounds in Me-Me'-X halide systems and the regularity has been used to predict the formation of ternary complex iodides in M-Eu-I system.

并分别运用人工神经网络和遗传算法研究了Me-Me'-X三元卤化物的形成规律，并以判别分析所得的结果预报了M-Eu-I体系的5个三元碘化物的形成情况。

Four kinds of hemicyanine dyes are synthesized by condensation of the benzotellurazolium iodides with diphenylformamidine in acetic anhydride.

将苯并碲唑季铵碘盐与二苯甲脒在乙酸酐中缩合，得到了4个半菁。

Based on the principle of supramolecular self-assembly, we selected several SDAs with flexible or rigid structures to carry out orientation construction ofⅠB andⅣB metal iodides.

本论文在超分子自组装思想的指导下，通过合理选择一些含有柔性或刚性结构的导向剂，实现目标产物的定向构筑。

In the second section, we described CuI/L-proline-promoted cross-coupling reaction of aryl iodides with activated methylene c-ompounds.

本论文分为两部分，第一部分为手性胍离子液体的制备及性质表征；第二部分为CuI／L-脯氨酸催化的芳基碘苯和活泼亚甲基化合物交叉偶联反应的研究。

The effects of silver iodobromide tabular grain emulsions on their crystal morphologies and photographic sensitivities,caused by varying accommodation techniques,the distribution and the amount of iodides,have been discussed in this paper.

高感光度乳剂制备中，如何利用好碘的掺杂技术，对于提高乳剂感光性能起至关重要的作用，本文针对碘溴化银 T颗粒乳剂中不同的加碘方式、碘的不同分布及不同的加入量，对其晶型和感光性能的影响进行了综述。

These catalysts were found to have good activity and reusability in the Heck vinylation of aryl iodides and acrylate, among which the ethylenediamine modified resin supported Pd(0) catalyst kept a high activity at the 17th run at 90℃.

结果表明，该类催化剂具有良好的催化活性和重复使用性能，其中用乙二胺功能化树脂负载的Pd(0)催化剂在90℃重复使用17次时能保持良好的催化活性。

In the presence of Pd_2, NaOMe, and EtOH, a variety of aryl iodides and aryl bromides were coupled with arylboronic acids smoothly in very short time.

Pd_2作为催化剂，NaOMe作为碱，EtOH作为溶剂，一系列的碘代和溴代芳烃都能在极短的时间内与芳基硼酸反应得到相应的交叉偶联产物。

All the glass components can be divided into three groups:hard glass components,such as fluorides;soft glass components,such as bromides,iodides,chalcogenides;and borderline glass components,such as chlorides.

所有的玻璃组成均可分为3类：硬质玻璃组分，如氟化物；软质玻璃组分，如溴化物、碘化物、硫系化物；中间玻璃组分，如氯化物。

Both electronic and steric effects were observed for the homo coupling of aryl iodides. Electro-withdrawing and ortho substituents gave desired products in low yields.

在取代碘苯的偶联反应中观察到电子效应和位阻效应的影响，吸电子基取代和邻位取代对反应不利。

In Chapter III, Fluoroalkylated triazo-compounds (RFCH2N3) were synthesized from fluoroalkylated alcohols (RFCH2OH), which were synthesized from fluoroalkylated iodides.

在第三章里，我们以全氟碘代烷RFI为原料制备得到结构为RFCH2OH长碳链的醇，进一步合成结构为RFCH2N3的氟烷基叠氮化合物。

London based fashion photographer Matt Irwin might be is the next big thing in fashion photography.

总部位于伦敦的时装摄影师马特欧文可能会是下一件大事的时装摄影。

Based on IMC system,the response would be better if the model matched more satisfactorily.

由于系统基于内模控制设计，故模型匹配度越高，系统响应越好。