查询词典 reaction

We also found for the first time that the reaction between ketone and alcohol to ketal was catalyzed by benzamide and their derivatives, and the related mechanism is proposed. Furthermore, under the same irradiation condition, the photo-reaction of succimide with alcohol as well as the photolysis of benzene sulfonamide was also found and studied.

并首次发现在紫外光激发下，苯甲酰胺对酮和醇生成缩酮的反应有一定的催化作用，进而对一系列芳酰胺类化合物作了对比实验，发现芳酰胺类化合物均能对缩酮的生成有催化作用，并对芳酰胺的作用机理进行了初步探讨。

Neutralization reaction: Neutralization was carried out after the above sulfonation reaction was terminated.

中和反应：被瓦解后进行上述磺化反应被终止。

When the reaction time was longer than 5 h with temperatures under 150°C, the sulfonyl group decreased and the iodine value increased in the reaction product.

当 这个反应时间和温度超过5小时在150℃，sulfonyl组和碘酒价值增加反应产品。

Nitro-4-methylsulfonylbenzoic acid was prepared from 4-toluene sulfonyl chloride by the reaction of Alkylation (in the condition of sodium sulfite and baking soda), Nitrification (in the condition of nitric acid and vitriol) and Oxidation reaction (in the condition of nitric acid and catalyzer).

研究了以对甲苯磺酰氯为起始原料，首先通过亚硫酸钠和碳酸氢钠的水溶液进行烷基化、其次在浓硝酸和浓硫酸加热回流的条件下峭化、最后在浓硝酸和催化剂的条件下进行氧化，3步反应合成了玉米田高效除草剂甲基磺草酮的重要中间体2-硝基－4-甲磺酰基苯甲酸。

The SCWO reaction of ethanol and sulfurous acid, which are intermediate products of TDG SCWO reaction, was studied.

对TDG的SCWO反应中间产物乙醇和亚硫酸的SCWO过程进行了研究。

Different from the SCWO reaction of carboncontaining organics, the reaction order of sulfurous acid was 0.423 and 0.397 respectively. The deviation between calculation and experimental results was within 15%.

与有机物SCWO反应显著不同，亚硫酸反应级数不为1（0.423），氧气反应级数不为0（0.397），动力学计算值和实验值偏差在15%以内。

In the research of advanced key techniques, the technique of nano-catalyst is developed and tested according to the requirement for the catalytic flame stablizer gas turbine and the related reaction model wil be fully construced. In the aspect of hydrogen shift and separation process, we are going to probe into various operating parameters for the water shift reaction and the membrane reactor alread constructed. Also, the high efficiency DPMS-based hydrogen shift and separation system that carry out both water gas shift and pressure swing absorption will be tested. The main task this year is to construct the proto-type clean hybrid power generation system.

前瞻关键技术研究方面，奈米触媒制备技术将依触媒驻焰气涡轮引擎之需求进行开发与测试，并建立相关反应模式；气化合成气转化与分离技术部分，将进行已建立水气转移反应与薄膜反应器之各项操作参数探讨，并进行以双孔径分子筛为担体，附加水气转移反应与变压吸附分离所建立之高效率分离富集H2方法之系统实测。

The result showed when tail gas was burnt off, coke thermal reactivity was the highest, and the strength after reaction was the lowest, the burning of tail gas deduced with alcohol lamp was in the middle; when tail gas was bled, the thermal reactivity of coke was the lowest and the strength after reaction was the highest.

摘 要：研究了3种不同的尾气处理方式对焦炭热反应性和反应后强度的影响，结果表明，尾气在炉盖处大火烧掉时焦炭热反应性最高，反应后强度最低；尾气导出用酒精灯烧掉次之；尾气放散时焦炭的热反应性最低，反应后强度最高。

Take a type of ship to air missile weapon system for example, the model is used to simulate and analysis the reaction time under the conditions of different operation environment by using Monte Carlo method, and the impacts of the operator's quality on the reaction time are also discussed,and then some helpful conclusions are obtained.

描述了舰空导弹反应时间基线网络模型的建立方法，并以某型舰空导弹武器系统为例，利用此模型并运用蒙特卡洛法对该武器系统在不同作战环境下的反应时间进行了仿真计算及分析，同时讨论了人的素质对反应时间的影响，得出了一些有益的结论

The reaction mechanism of thione-thiol tautomerism for 2,6-dithiopurine obtained from proton transfer has been investigated by DFT B3LYP method with 6-311＋G basis set. The reaction enthalpies, activation energies, activation free energies and the rate constants of tautomerism were obtained.

采用密度泛函B3LYP方法，在6-311＋G基组水平上对2，6-二巯基嘌呤质子转移引起的硫醇式与硫酮式互变异构反应进行了计算研究，获得了互变异构过程的反应焓、活化能、活化吉布斯自由能和质子转移反应的速率常数等性质。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。