查询词典 reaction

Of a chemical reaction; Molecularity and reaction order could be the same for a given

d 对有的反应而言，反应分子数与反应级数数值可能相同，但一般情况下却不同。

The effects of reaction temperature, reaction time, catalyst dosage, addition of esterification agent and the ratio of monoglyceride to glycerol were examined.

分别考察了反应温度、反应时间、催化剂添加量、酯化剂添加量和单甘酯与甘油的比例对酸值的影响。

The result of situ-FTIR study on the process of dehydrogenation of CHL, we concluded the reaction mechanism, and proved that monovalence copper had more activity than zero valence copper and the side reaction mainly took place on zero valence copper.

通过对环己醇脱氢反应过程的原位傅立叶变换红外光谱研究，推导出了反应机理，得出Cu〓较Cu〓更具有环己醇脱氢活性，环己醇脱氢的副反应主要发生在Cu〓上。

The results show that the effect of quantity of initiator 、 dosage ratio between persulfates and Sodium Thiosulfate、reaction temperature、reaction time、crosslinking agent and the dosage of NaAA onGR、GE and WAR is significant.

实验结果表明：引发剂用量、反应温度、时间、和单体用量在制备腻子型吸水膨胀天然橡胶中对天然橡胶的接枝率有显著的影响，在本实验研究范围内的最佳工艺为：反应温度为40℃，反应时间为1小时，引发剂用量为0.50%，单体用量为100%，交联剂用量为2.00×10-4mol。

The influence of the ratio of naphthalene to isopropanol, WHSV and reaction temperature were investigated for this reaction.

在分子筛上固载AlCl3方法很有可能在未来成为Friedel-Crafts烷基化反应中的重要催化剂。

Bi-2; 2′-naphthol ; enantiomer resolution ; asymmetric synthesis ; asymmetric oxidation reaction ; asymmetric reduction reaction

1； 1′-联二萘酚；对映体拆分；不对称合成；不对称氧化反应；不对称还原反应

Effects of reaction temperature, reaction time, amount of catalyst and the ratio of Si/Al on the nitration were investigated.

实验考察了反应温度、反应时间、催化剂用量及Si/Al等因素对反应结果的影响。

The effects of the reaction temperature, the ratio of fluorous phase and organic phase and the water in the reaction system on the nitration were investigated.

考察了反应温度、氟相和有机相的体积比与体系中的含水量对氟两相硝化区域选择性的影响。

Meanwhile, the effects of reaction temperature, reaction time, amount of catalyst and the ratio of Si/A1 on the nitration were investigated.

实验考察了反应温度、反应时间，催化剂用量及Si/Al对反应结果的影响。

In chapter 4 an abnormal reaction that the nitro group of 1-aryl-2-nitroethenescan be easily replaced by the organic moity of FG-RZnI using Ni〓 and tertiaryamine as catalyst was first given. The experimental results show that in the presenceof catalytic amount of Ni〓 and tertiary amines, the reaction of FG-RZnI andl-aryl-2-nitroethenes give the substitution products l-aryl-l-alkene, instead ofMichael addition products.

通过实验发现，在催化量的Ni〓及叔胺催化下， l-硝基-2-芳基乙烯与烷基碘化锌并不进行Michael加成反应，而是发生1-硝基-2-芳基乙烯中硝基被取代的反应，生成了高产率的1-芳基-l-烯烃，由于此反应的原料易得、反应条件温和、产物的产率高，因而是合成l-芳基-1-烯烃的有效方法。

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。