It reviewed the amount of the activator, the time of reaction, ratio of alcohol acid and the efficiency of the resin recycled and used?
考察了催化剂用量、反应时间、醇酸比及催化剂回收使用效率。
It introduces how to synthesize acrylic acid, acrylate and phenylethene quadripolymer into alcohol-soluble acrylic resin.
它介绍了丙烯酸、丙烯酸脂、苯乙烯四元共聚合成醇溶性聚丙烯酸脂类的方法。
Alcohol can inhabit the excretion of uric acid.
酒精可以抑止尿酸的排泄。
When you drink, enzymes in the liver known as alcohol dehydrogenases (ADHs) convert alcohol to an organic compound called acetaldehyde; another enzyme then converts acetaldehyde to acetic acid.
当你饮酒时,肝脏中的ADHS酒精氢化酶把酒精转化成一个叫ACETALDEHYDE的化合物,另外一个酶再把它转化成酸。
The students were to be tested for three supposedly benign traits: their responses to dairy products, folic acid, and alcohol.
学生接受了三项推定为无危险特征的检测:他们对奶制品、叶酸和酒精的反应。
A chemical formed by the reaction of an acid and an alcohol.
一种由酸和醇反应而形成的化学结构。
The nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.
亲核试剂包括烯烃、炔烃、醇、酸、胺、水等。
Results Utilizing lactic acid dissolution and alcohol precipitation technology could prepare granules of chitosan lactate, which had characteristic absorption peak in infrared spectrum.
结果利用乳酸溶解和醇沉淀工艺可制备出壳聚糖乳酸盐颗粒,在红外光谱中具有特征性吸收峰。
Using Chinese kiwifruit juice as raw material through alcohol fermentation and acetic acid fermentation produce a kind of kiwifruit vinegar it has some health care functions.
本文以浓缩猕猴桃原浆为原料,经过酒精发酵和醋酸发酵生产猕猴桃醋,这种醋具有一定的保健功能。
The effect of acid-alcohol ratio, acidity of catalyst, amount of catalyst, reaction time, and reaction temperature were investigated.
考察了醇酸比,催化剂酸度,催化剂用量,反应时间,反应温度对酯化产率的影响。
The other solvents that have higher extraction rate are 75% methanol, 75% alcohol and acetic acid successively.
其它提取黄酮类化合物提取率较高的溶剂依次是75 %甲醇、75 %乙醇和冰乙酸。
Volatile acidity (VA) General term for the substances in wine that are formed by the oxidation of alcohol (mainly acetic acid and ethyl acetate).
由于酒精氧化而形成于葡萄酒中的物质的总括(主要是醋酸和乙酸乙酯)。
Specimens prepared by polishing and etching in a weak solution of nitric acid and alcohol reveal the lamellar structure of alternating plates that forms on slow cooling.
通过打磨并在弱硝酸酒精溶液中蚀刻制备的样本显示出由缓慢冷却形成的交互层状的薄片结构。
The effects of catalyst treated methods, catalyst quantity, reaction time, acid-alcohol ratio and catalyst length-of-live are studied in batch synthesis of acetic ether.
考察了催化剂处理方式、醇酸比、催化剂用量、反应时间对合成乙酸乙酯的影响及催化剂重复使用的活性。
The influences of amount of catalysts, microwave power, microwave irradiation time and the mole ratio of alcohol to acid were studied.
考察了催化剂的用量、微波功率、微波辐射时间、醇酸比对酯产率的影响。
The effect of alcohol to acid ratio, reaction time and temperature, the catalyst amount were investigated.
讨论了醇酸比、反应时间、催化剂用量对收率的影响。
The influence of acrylic acid and tetradecyl alcohol, amount of catalyst and inhibitor, reaction temperature, reaction time were investigated.
探讨了丙烯酸与十四醇摩尔比,催化剂和阻聚剂的用量、反应温度及反应时间对酯化反应的影响。
The effects of catalyst quantity, acetic alcohol mole ratio, acetic acid and ethyl alcohol feed site, reflux ratio and reflux composition on the process are investigated.
对乙酸与乙醇酯化反应体系,考察了催化剂用量、酸醇比、进料位置、回流比、回流组成等因素对过程的影响。
Methods the effects of amount of gallium sulfate, molar ratio of alcohol to acid, reaction time and repeated times of catalyst on the yield of n-butyl propionate were investigated.
方法考察硫酸镓用量、醇酸物质的量比、反应时间及催化剂重复使用次数等因素对收率的影响。
It USES distilled water and alcohol to refine water soluble acid and alkali of sample and then test the extractive with PH indicator.
用蒸馏水或乙醇水溶液抽提试样中的水溶性酸或碱,然后用酸度计或指示剂对抽提物进行测定。
The present article investigated the application of acid protease in alcohol production.
探讨了酒用酸性蛋白酶在酒精生产中的应用。
Abstract : this article reviews recent progress in nucleophilic reactions of the - carbon in vinylidene ruthenium complexes. the nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.
文摘:综述了近几年钌亚乙烯基络合物中间体-碳的亲核反应。亲核试剂包括烯烃、炔烃、醇、酸、胺、水等。
Accordingly, the thermal stability of polysiloxanes may be influenced by oxide, water, alcohol, acid, base, residual catalyst, silicone oil, mechanical stress, filler or the end groups of itself.
氧气、水或醇、酸、碱或残留催化剂、硅油、机械外力、填料、聚硅氧烷的链端基等都会影响聚硅氧烷的热稳定性。
The finished wines with lower volatile acid had higher alcohol content and dry extract.
挥发酸含量低的石榴酒其酒精度高、干浸出物也高。
Benzyl propionate was synthesized by the esterification reaction of benzyl alcohol with propionic acid using potassium bisulfate.
用硫酸氢钾催化苯甲醇与丙酸的酯化反应合成了丙酸苄酯。
Benzyl propionate was synthesized by the esterification reaction of benzyl alcohol with propionic acid using potassium bisulfate.
用硫酸氢钾催化苯甲醇与丙酸的酯化反应合成了丙酸苄酯。
应用推荐