查询词典 acid reaction

Besides, reaction conditions including the concentration of acetic acid and the solvents of photochemical reaction were also studied.

通过研究乙酸浓度和光化溶剂对反应的影响，对合成工艺进行改进和优化。

Decided relatively the craft condition of beautiful: IA occupies total monomer rub Er mark is 22%, 6.67% what cross ammonium sulphate dosage to be total monomer quality, reaction temperature ℃ of 80 ℃~85, acrylic acid and the drop that cross ammonium sulphate add time to be 2.5 H, heat preservation time is 3.5 H, total reaction time is 6 H.

确定了较佳的工艺条件：IA占总单体的摩尔分数为22%，过硫酸铵用量为总单体质量的6.67%，反应温度80℃~85℃，丙烯酸和过硫酸铵的滴加时间为2.5 h，保温时间为3.5 h，总反应时间为6 h。

When the target organic was formic acid (a promoter of radical reaction in ozonation), a radical initiation reaction could obviously enhance the ozoantion efficiency.

当目标有机物是对链反应具有促进作用的甲酸时，自由基引发反应可以明显提高甲酸的臭氧化效率。

Effects of reaction temperature,reaction time and mole ratio of nitric acid to aromatic hydrocarbons on performance of the catalyst were investigated.

实验结果表明，磷钨酸对低沸点芳烃液相硝化反应具有显著的催化活性，在优化的条件下，苯、甲苯和氯苯的转化率分别为98.0%，99.5%，100.0%。

The factors influencing on the reaction such as dosage of catalyst, molar ratio of acid to alcohol and reaction time were investigated.

考察了催化剂用量、酸醇物质的量比、带水剂用量以及反应时间等因素对产率的影响。

The effect of the molar ratio of amino acid to copper,microwave power,reaction time and pH value on chelate reaction was investigated.

采用微波螯合工艺，对复合氨基酸与铜的配位比、微波时间、微波功率及反应体系的pH对螯合反应的影响进行详细的研究。

In this work, compared with acid-base reaction, we discussed the conjugated relation of redox reaction .

本文从共轭关系的角度出发，与酸碱反应相对照，较详细地讨论了氧化还原反应中的共轭关系。

The reaction performance that the soda acid sex of carrier and the size of the area that compare a list affect activator directly, of the compound carrier surface that decorates via alkaline-earth metal alkalescent increase, rose to leave capacity to the adsorptive solution of CO2, activation agent is shown in reforming reaction better fight carbon deposit ability.

载体的酸碱性和比表面积的大小直接影响到催化剂的反应性能，经碱土金属修饰的复合载体表面的碱性增强，提高了对CO2的吸附解离能力，使催化剂在重整反应中表现出较好的抗积炭能力。

The optimized re action conditions were obtained: the molar ratio of acetic acid and amyl alcohol 1:1.1, the amount of catalyst 0.4g, the reaction temperature about 120℃ and reaction time 3hr, the ratio of...

确定了以该催化剂合成酯的最佳条件：反应温度 12 0℃，酸醇摩尔比为 1∶1.1，催化剂用量为 0 。4 g ，反应时间为 3hr使酸转化率为 86.33%。

In the reaction of substituted arylamine and sulfuric acid, and utilizes the feature of that said inert organic solvent is easy to form azeotrope with water to continuously deliver the water produced in the couse of reaction from the reactor.

本发明在取代芳胺与硫酸的反应中加入了一种惰性的有机溶剂，如：氯苯，二氯苯，三氯苯，硝基苯等，利用其易与水形成共沸物的特点，将反应生成的水不断地导出反应器。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。