查询词典 chlorinating

Based on the chlorinating ratio of cerium dioxide reaching about 80% at 300 ℃ and decreasing at higher temperature, it is must be owing to thermal decomposition of CeCl3.7H2O.

同时CeO2的氯化并不是NH4Cl产生HCl发生氯化，而是NH4Cl直接参与反应，生成中间化合物CeOCl，然后转化为CeCl3。

Chloramine Fallout In Water Purification — Disinfection by-products are the unintended consequence of chlorinating public water supplies to reduce microbial pathogens.

氯胺沉淀与水质净化——科学家意外发现消氯胺这种起消炎作用的副产品，可氯化公众水源，弱化多种微生物病原体。

The aromatics were chlorinated to corresponding chloride with hydrochloric acid as chlorinating agent and trichloroisocyanuric acid as co-catalyst in the presence of sodium nitrite under mild conditions.

研究发现在NaNO_2存在时，氧气能够以HCl为氯化试剂，以三氯异氰脲酸为助催化剂，在温和条件下将芳香化合物氧化氯化生成相应的氯代芳香化合物。

The aromatics were chlorinated to corresponding chloride with hydrochloric acid as chlorinating agent and trichloroisocyanuric acid as co-catalyst in the presence of sodium nitrite under mild conditions.

研究发现在NaNO_2存在时，氧气能够以HCl为氯化试剂，(来源：dc3cdcABC论文网www.abclunwen.com)以三氯异氰脲酸为助催化剂，在温和条件下将芳香化合物氧化氯化生成相应的氯代芳香化合物。

The stereoselective chlorinating addition of double bondin polysubstituted cyclichexane via substrate control inTMCS -〓 system has been investigated in detail.

较系统地研究了九个典型的三取代卤代亲双烯的Diels-Alder反应，发现β-卤代亲双烯23，49，55，6la，61b均能较好地进行反应；而β-卤代亲双烯46a，46b，62则不能进行反应。

This paper studies the application of mechanic seal to chlorinating container ,based on the theory of kinematics and dynamics,analyzes various factors which influence the seal effect and puts forward some metheds for improving the operational per formance.

水相悬浮压力法氯化聚乙烯生产工艺的主体设备──氯化反应釜须具备耐&三高一强&的使用特点──高温、高压、高搅拌转速和强腐蚀性。

A grafted copolymer, composed of poly as branched chains and chlorinated polyethylene as backbone was synthesized by in-situ chlorinating graft copolymerization based on HDPE.

以聚乙烯为原料，采用氯化原位接枝方法合成以氯化聚乙烯为骨架、聚甲基丙烯酸甲酯为支链的接枝共聚物。

It is shown that the chlorinating process for fluorine-fixed calcine agreed well with the regional reaction rate model presented by Bagdasarym. The process consisted of two tandem steps, Erofeev Equation ln[ln(1a)]=lnk+nlnt was used to deal with the equation of reaction rate,the function between rate constant and temperature was k=2.7?07e125900/RT. The a...

结果表明：固氟焙砂的氯化反应动力学过程是区域反应速率模型，氯化反应过程经过了2个串联反应步骤，用Erofeev方程ln[ln(1a)]=lnk+nlnt处理反应速率，反应速率常数与温度T的函数关系式为k=2.7107eEa/RT，表观活化能Ea为125.9 kJ/mol，过程限制环节主要是界面化学反应控制。

Chlorine atoms were selectively introduced into the chlorin ring based on different reactivity between vinyl group at 3-position and 20-meso position by electrophilic addition and electrophilic substitution using hydrogen peroxide/hydrochloric acid, N-chlorosuccinimide, hydrogen chloride (or concentrated hydrochloric acid) as chlorinating reagent.

以过氧化氢/盐酸、N-氯代丁二酰亚胺、氯化氢为氯化剂，根据3-乙烯基和20-meso-位的不同化学反应活性，通过亲电加成和亲电取代反应，在二氢卟吩环上选择性地引进氯原子，完成8种未见报道的具有叶绿素-a基本碳架的氯代二氢卟吩衍生物的合成。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新