查询词典 methyl

Tebufenpyrad, a new high effective pyrazoleamide acaricide , was synthesized from 1-methyl-3-ethyl-4-chloro-5-pyrazolecarbon acid and 4-t-butylbenzylamine, the raw material are propionyl pyruvic ethyl ester and 4-t-butyl benzylchloride.

吡螨胺是一种新型、高效的吡唑酰胺类杀螨剂，本文以中间体1-甲基-3-乙基-4-氯-5-吡唑甲酸和4-叔丁基苄胺合成，起始原料丙酰丙酮酸乙酯和4-叔丁基苄氯，总收率为61.23%。

Our main products are industrial naphthalene, light oil, phenol Dephenol oil, wash oil, anthracene oil, crude phenol, hard asphalt, restructuring asphalt, fuel oil,-Methylnaphthalene,-methyl naphthalene, quinoline, fluorene , acenaphthene and other products.

公司主要产品有工业萘、轻油、脱酚酚油、洗油、蒽油、粗酚、硬质沥青、改制沥青、燃料油、α-甲基萘、β-甲基萘、喹啉、芴、苊等产品。

The optimum reaction conditions are as follows: diphenylmethanethiol : methyl chloroacetate is 1:1.5, and the reaction carried out at 100℃ for 4 h, 2- acetamide can be carried out in the room temperature for 20 h, the yield of 2- acetamide was 76%, hydrogen dioxide: 2- acetamide is 1:1, and the reaction carried out at 60℃ for 3 h, the yield of modafinil was 79%, the total yield of reaction can be reached 48%.

研究表明，采用氯乙酸甲酯作为醚化试剂，反应时间4h，反应温度100℃，二苯甲硫醇：氯乙酸甲酯=1：1.5，室温下氨解反应20h，二苯甲硫乙酰胺收率76%；采用过氧化氢作为氧化试剂，反应时间3h，反应温度60℃，过氧化氢：二苯甲硫乙酰胺=1：l，莫达非尼收率79%，反应总收率可达48%。

In particular, methyl acrylate and ethyl acetate are widely used in industry.

丙烯酸甲酯和乙酸乙酯是工业上常用的有机物质，在生产和使用中产生的废气极易造成环境污染。

The synthesis of methyl benzoate was carried out from acetophenone and dimethyl carbonate in the presence of solid acid and base catalysts.

以固体酸碱为催化剂，研究了碳酸二甲酯与苯乙酮合成苯甲酸甲酯的反应，考察了反应温度、反应时间、催化剂用量和原料摩尔配比等因素对反应结果的影响。

Yields of main oxidized products,namely p-methyl acetophenone and cuminaldehyde are 55.19% and 31.64%,respectively.

吸附容量与pH值有关，pH值7时，对Hg2+的吸附容量最大；pH值3时，对Pb2+和Cd2+的吸附容量最大。

The copolymers of 2-acrylamide-2-methyl propanesulfonic acid and itaconic acid were synthesized by free radical aqueous solution copolymerization, and its structure was characterized by IR.

用自由基水溶液聚合法，合成了2-丙烯酰胺基－2-甲基丙磺酸和衣康酸的二元共聚物缓凝剂，并用红外光谱表征了其结构。

Methane was transformed to methyl bisulfate first, and then methyl bisulfate was hydrolyzed to methanol.

甲烷在反应中首先转化为硫酸甲酯，硫酸甲酯随后水解为甲醇。

In these paper, ultrasonic degradation of methyl orange by adding lower concentration of CCl4 and effects of organic specials on photocatalytic reduction of hexavalent chromium over different TiO2 photocatalysts have been explored, the results are as follows:(1) Effects of CCl4 were investigated on the ultrasonic degradation of azo dye methyl orange.

本文主要研究了低浓度的CCl4对超声降解甲基橙的影响及有机物对不同TiO2催化剂光催化还原Cr的影响，研究结果如下：(1)研究了低浓度的CCl4对超声降解MO的影响，结果表明少量的CCl4能促进MO的超声降解。

A series of β-vinyl alcohols were synthesized using methyl alkyl ketones or methyl aryl ketones and allyl chloride as starting materials by Grignard reagent method.

以烯丙基氯和甲基酮为原料，通过格氏试剂法合成了-β烯醇化合物，并探讨了各种因素对收率的影响，获得了控制反应过程的最佳参数。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。