查询词典 phosphite

2A series of alternating polyamide-imideswith fluorenyl cardo structure was synthesized by "one-pot" polycondensation of cardo diamines,trimellitic anhydride and various aromatic diamines including p-phenylene diamine,m-phenylene diamine, 4,4\'-oxydianiline,3,4\'-oxydianiline,2,2-bis[4-(4-aminophenoxy)phenyl]propane, 2,2-bis[4-(3-aminophenoxy)phenyl]propane respectively using triphenyl phosphite as condensing agents.

采用"一锅法"(One—pot Synthesis)，由Cardo二胺、偏苯三酸酐和不同二胺包括对苯二胺、间苯二胺、4，4\'—二氨基二苯醚、3，4\'—二氨基二苯醚、2，2—双[4—(4—氨基苯氧基苯基]丙烷和2，2—双[4—(3—氨基苯氧基)苯基]丙烷合成了一系列含有芴基Cardo结构的交替聚酰胺酰亚胺。

Based on the retrieval and review of the bibliographer, the original process for the preparation of Dimethyl Phosphite in Zhejiang Xinan Chemical co., Ltd was evaluated.

论文在文献阅译和工艺原理分析的基础上，结合浙江新安化工集团股份有限公司原亚磷酸二甲酯生产装置的实际，研究了以甲醇、三氯化磷为原料的无溶剂的连续化生产新工艺。

This technique pro-duced not only N-phosphonomethyliminodiacetic acid with high quality but also a great deal of chloromethane by the hydrolyzation of dimethyl phosphite and methylal .

提供了一种利用亚磷酸二甲酯残液(亚磷酸二甲酯生产过程中的副产)和甲缩醛(甘氨酸法生产草甘膦过程中的副产)为原料来合成双甘膦的方法，采用该工艺可以合成高含量的双甘膦，而且利用亚磷酸二甲酯残液和甲缩醛的充分水解可生成大量的氯甲烷，从而大大提高上述副产物的综合利用价值，具有很好的发展前景。

Diethyl phosphite was obtained from the Department of Heteroatom Chemistry of Shanghai Institute of Organic Chemistry as a gift.

乙基磷酸是来自杂处化学上海有机化学研究所作为礼物。

The results of the electrolysis showed that phosphite was transferred,to a certain degree,to hypophosphite with lower transferring rate and couldn't reach the requirements of industrial production,thus the cause of l.

本文通过电化学合成方法将化学镀镍过程中产生的亚磷酸盐转化为次磷酸盐的研究，首先根据理论分析和循环伏安曲线扫描分析，预测上述转化的可能性。

In the previous report, the addition of catechyl phosphite can increase the lubricity of base oil.

在前一年的报告中显示儿茶酚亚磷酸酯可以增加基础油的润滑性。

Separation and recovery process principles of tail gases in producing dimethyl phosphite were introduced; Separation and recovery courses of hydrogen chloride and methyl chloride in tail gases were also analyzed. The percent recovery for hydrogen chloride and methyl chloride is over 99.9% and 93%, respectively, by using the process of combining stage recycle of solvent with lower temperature.

介绍了亚磷酸二甲酯生产中尾气回收的工艺原理，对尾气中氯化氢及氯甲烷的分离回收过程进行了分析；提出了采用吸收剂分段循环和降温相结合的回收工艺，将此工艺应用于3万t/a的亚磷酸二甲酯的生产装置的尾气回收上，可使氯化氢的回收率达99.9%，氯甲烷的回收率达93%以上，盐酸质量分数大于30%，尾气中氯甲烷的质量分数小于5%。

The chemical and phase equilibrium principle of calcium phosphite monohydrate prepared by neutralization method have been discussed.

一水亚磷酸氢钙（CaHPO3·H2O）是一种新型优质防锈颜料，本文系统讨论了中和法制备这种产品的化学和相平衡原理；在实验室条件下制出了纯净色白的一水亚磷酸氢钙产品，测定了产品的主要物理性质。

Is China's main production phosphite and phosphite product manufacturers.

南通鑫泰化工有限公司，是我国主要生产亚磷酸和亚磷酸盐系列产品的厂家。

The main products are: phosphorous trichloride 300,000 tons / year, phosphorus oxychloride 100,000 tons / year, phosphorus pentachloride 50,000 tons / year, 10,000 tons trichloroisocyanuric parathion / year chloromethyl ether 5000 tons / year, triethyl phosphite 10,000 tons / year, triphenyl phosphite 5000 tons / year, three phosphoric acid ethyl butoxy 2000 tons / year.

主要产品有：三氯化磷30万吨/年、三氯氧磷10万吨/年、五氯化磷5万吨/年、三氯硫磷1万吨/年、氯甲基甲醚5000吨/年、磷酸三乙酯10000吨/年、磷酸三苯酯5000吨/年、磷酸三丁氧基乙酯2000吨/年。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。