查询词典 acetic acid

Methods: Used the methods of inflammatory caused by dimethy, benzene, acetic acid twisting, carbon expurgation and the experiments in diabetic model mice, to observe the pharmacological actions of tigogenin; and acute toxicity was observed.

采用二甲苯致小鼠耳廓肿胀法、小鼠醋酸扭体法、小鼠碳末廓清法、葡萄糖引起高血糖小鼠模型，观察剑麻皂素的药理作用；并对剑素麻皂素进行急性毒性实验。

MethodsUsed the menthods of inflammatory caused by dimethy,benzene,acetic acid twisting, carbon expurgation and the experiments in diabetic model mice, to observe the pharmacological actions of tigogenin;and acute toxicity was observed.

方法采用二甲苯致小鼠耳廓肿胀法、小鼠醋酸扭体法、小鼠碳末廓清法、葡萄糖引起高血糖小鼠模型，观察剑麻皂素的药理作用；并对剑素麻皂素进行急性毒性实验。

The better reaction conditions are as follows: Reaction temperature is 40°C, Reaction time is 5 hour; the ratio of L - phenylalanine to acetic acid and N - formyl - L- aspartyl anhydrideis 1:10.2:1.1, Its yield is 95.4%.

在查阅文献的基础上，得到较优的α-L-天冬氨酰L-苯丙氨酸甲脂盐酸盐的合成方案，在甲醇一水体系中，N-甲酰-α-L-天冬氨酰-L-苯丙氨酸在浓盐酸的作用下60℃水解90分钟，后冷却到15℃加入浓盐酸在20～30℃保温反应96小时，进行甲脂化，形成甲脂盐酸盐，结晶析出。

Its commercial technologic processes and products,such as Acetic Acid Production by Carbonylation of Methanol,Formyl Morpholine,Steam Reforming Catalyst,Low Pressure Methanol Synthesis,Dimethyl Formamide Production by Dehydrogenation of Methanol,Dimethyl Ether Synthesis by Methanol Dehydration,Hydrogen Production by Methanol Cracking,Methanol Synthesis Catalyst,PSA Gas Separation Devices, and etc.,have been applied in more than 800 plants over fields including chemical industry,petrochemical,food, metallurgy,machinery,military industry.Many technological products were exported to American,European,Asian countries as well as Hong Kong,Macao and Taiwan.Remarkable economic and social benefits are achieved.

甲醇羰基化合成醋酸，甲酰吗啉，转化催化剂，低压合成甲醇，甲醇脱氢制二甲基甲酰胺，甲醇脱水制二甲醚，甲醇裂解制氢，合成甲醇催化剂，变压吸附制氢等成套工业装置和产品应用于全国800多家化工，石化，食品，冶金，机械，军工等企业，并出口美国，欧州，亚州等国及港，澳，台地区。

The effect of several variables such as temperature, concentration of acetic acid and initial concentration of xylose on furfural yield was studied.

考察了催化剂浓度、温度和木糖溶液初始浓度对糠醛收率的影响。

Acetic acid is the most important component of furfural wastewater, which was degraded by UV/O3 method.

利用UV/O3法对糠醛废水中的乙酸进行光氧化降解实验。

Showed that: After being treated with the combined antiseptic germicide of 60% ethanol, 0 5% lactic and 0 2% acetic acid, together with calcium alginate coating, the cooked meat was left unspolled at 28 ℃ for 7 days.

将两种可食性涂膜材料，分别与无毒抑菌剂联合使用，对熟肉制品进行保鲜处理，研究表明，经 60 %乙醇、 0 。5%乳酸和 0 。2 %醋酸复合抑菌剂浸泡，并以海藻酸钠涂膜包被，处理后的熟肉制品在 2 8℃保温 7天不腐败变质，细菌总数及大肠菌群均未检出

As a kind of widely used fine chemical, glyceryl triacetate was synthesized by esterification of glycerin with acetic acid.

三乙酸甘油酯是一种用途广泛的精细化工产品。

As a kind of widely used fine chemical,glyceryl triacetate was synthesized by esterification of glycerin with acetic acid.

以乙酸、甘油为原料，通过酯化反应合成乙酸甘油酯。

SODIUM GLYCOLATE— Transfer about 500 mg of it, accurately weighed, into a 100-mL beaker, moisten thoroughly with 5 mL of glacial acetic acid, followed by 5 mL of water, and stir with a glass rod to ensure proper hydration (usually about 15 minutes). Slowly add 50 mL of acetone while stirring, then add 1 g of sodium chloride, and stir for several minutes to ensure complete precipitation of the carboxymethylcellulose.

乙醇酸钠—取本品500mg，精密称定，置于100mL烧杯中，用5mL冰乙酸完全润湿，接着加5mL水，并用玻棒搅拌使水合作用完全（搅拌时间一般为15分钟），边振摇边缓缓加入50mL丙酮，再加入1g氯化钠，振摇几分钟以确保羧甲基纤维素沉淀完全。

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。