制备了天然高分子海藻酸钠与PVA的不同比例共混膜,并用于渗透汽化法分离乙醇-水混合物。
The transport of ethanol and water in pervaporation membranes prepared from natural polymer-sodium alginate (SA) with polyvinyl alcohol (PVA) was studied.
通过双极性膜电渗析技术,把一乙醇胺脱氢氧化生产氨基乙酸过程中产生的氨基乙酸钠盐转化为氨基乙酸和氢氧化钠。
Bipolar membrane electrodialysis (BME) is used to convert sodium amino acetate to amino acetic acid and sodium hydroxide in the dehydrogenation oxidation of ethanolamine to produce amino acetic acid.
方法:将大鼠随机分5组,采用乙醇和脱氧胆酸钠复合造模法。
Methods:The Wistar rats were randomly divided into 5 groups. The CAG model was made by using the alcohol method and deoxycholic acid.
本文提出了在乙腈- 乙醇-水混合溶剂中以柠檬酸钠作络合剂, 三氯化钛还原非水溶性偶氮染料和颜料。
Sodium citrate was used as a complex catalyst for the titanium trichloride to reduce insoluble azo dyes and pigments in acetonitrile-alcohol-water system.
初步研究褐藻酸钠在盐酸乙醇溶液中的部分降解过程。
The present paper reports the hydrolytic process of sodium alginate by hydrochloric acid and ethanol solution.
以十二烷醇为萃取剂,对以海藻酸钠和聚乙烯醇混合载体固定化酒精酵母乙醇发酵进行了研究。
Study on the alcoholic fermentation using dodecanol as the extractive agent by immobilized yeast with alginic acid and polyvinyl alcohol as the mixed carrier was curried out.
氯仿、异戊醇、乙醇、醋酸钠等购自杭州长征化学试剂厂。
Chloroform, isoamyl alcohol, ethanolamine, ethyl alcohol and sodium acetate were bought from Hangzhou Changzheng Chemical Reagent Factory.
以硼酸酯、取代苯甲酸乙醇胺盐、葡萄糖酸钠三者为混合防锈剂应用于切削液中,其中硼酸酯和取代苯甲酸乙醇胺盐有明显的协同效应。
Boric acid ester, tri ethanolamine salt of substituted benzoic acid and sodium gluconate were used as anti rust additives in water based cutting fluid.
经研究发现次氯酸钠氧化黄酮类化合物时将伴随产生较弱的化学发光,而乙醇的存在将大大增强该化学发光的强度。
It has been found that sodium hypochlorite can oxidize the flavonoids to give chemiluminescence, and this chemiluminescence would be greatly enhanced in the presence of ethanol.
目的建立溴芬酸钠原料中二氯甲烷、甲苯、1,2-二甲氧基乙烷、乙酸乙酯、乙醇残留量测定方法。
Objective To establish a method for detection of dichloromethane, 1,2-dimethoxyethane, toluene, ethyl acetate and ethanol in bromfenac sodium.
本发明公开了一种防锈纸处理剂,由苯甲酸钠、三乙醇胺、尿素、乙醇、水混合组成。
The invention discloses an anti-tarnish paper finishing agent which is composed by mixing sodium benzoate, triethanolamine, urea, ethanol and water.
本发明提供一种黄色荧光墨水及其擦除液,墨水主要成份包括:染料、酸碱度调节剂、分散剂、连接料、增塑剂、柠檬酸钠、乙醇和蒸馏水。
The invention provides a yellow fluorescence ink and its erasing liquid. The ink includes dye, pH regulator, dispersant, plasticiser, sodium citrate, ethanol and distilled water.
产品成份:去离子水、甘油、丁二醇、红花提取液、尿囊素、苯氧乙醇、透明质酸、PEG - 40氢化蓖麻油、吡咯烷酮羧酸钠、EDTA -二钠、香料。
Ingredients: Deionized Water, Glycerin, Butanediol, Safflower Extract, Allantoin, Phenoxyethanol, ha, PEG-40 Hydrogenated Castor Oil, Pyrrolidone Carbozylic Acid, EDTA-Disodium Salt, Essence.
实际配方中硼酸酯、取代苯甲酸乙醇胺盐、葡萄糖酸钠的含量分别为1 0 %、 6 %和1 %。
The content of boric acid ester, tri ethanolamine salt of substituted benzoic acid, sodium gluconate in cutting fluid was 10%, 6%, 1%, respectively.
双乙酸钠,主要用于食品和饲料工业的防腐保鲜等,白色晶状粉末,具有乙酸味,易溶于水和乙醇。
Sodium Diacetate is mainly used in the food and the feed industry preservation. It looks as white crystalline powder; smells acetic acid odor; is easily soluble in water and ethanol.
双乙酸钠,主要用于食品和饲料工业的防腐保鲜等,白色晶状粉末,具有乙酸味,易溶于水和乙醇。
Sodium Diacetate is mainly used in the food and the feed industry preservation. It looks as white crystalline powder; smells acetic acid odor; is easily soluble in water and ethanol.
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