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- ethylene glycol method 乙二醇法
- First statement: Ethylene glycol is sweet. 第一句:甘醇是甜的。
- A method was developed for the determination of trace impurity affecting ultraviolet transmittance in ethylene glycol. 建立了测定乙二醇中影响紫外透光率的痕量杂质的方法。
- The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom. 介绍了由合成气为原料制取甲醇、乙醇、乙二醇等产品的方法,指出了合成气是石油化工的新原料。
- With the acrylic acid(AA) and the glycol(EG) as raw materials,Direct etherification method is usded to synthesize the ethylene glycol diacrylate(EGDA). 以丙烯酸(AA)与乙二醇(EG)为原料,采用直接酯化法合成出了二丙烯酸乙二醇酯(EGDA)。
- A substance, often a liquid such as ethylene glycol or alcohol, mixed with another liquid to lower its freezing point. 防冻剂,防冻液,抗凝剂一种物质,通常是液体,如乙二醇或酒精,和另一种液体混合来降低冰点
- A new synthetic method of N, N, N-tris (2-methylbenzimidazolyl) amine with ammonia triacetic acid and o-phenylenediamine in solvent ethylene glycol was studied. 以乙二醇为溶剂,由氨三乙酸与邻苯二胺反应,制得N,N,N-三(2-甲基苯并咪唑)胺。
- The process simulation is performed for ethylene glycol plant by using the PROCESS simulation programme, and the unit operation model and the thermodynamic method are determined. 应用PROCESS模拟程序,对乙二醇装置进行了流程模拟计算,确定了单元操作模型及热力学方法,计算结果与国外设计数据相吻合。
- At sulfur dioxide adopt sample system, use ethylene glycol replace air treating of sulfruic acid do drier and do away with grain and oil dirty inside of air, method more economy,simple and safety. 在二氧化硫采样系统中,用乙二醇代替曝气处理的浓硫酸做干燥剂和去除空气中的尘粒和油污,方法更经济、简便、安全。
- Poly(ethylene glycol) (PEG) is a hydrophilic polymer which has flexible long chain. 摘要聚乙二醇是一类亲水性长链聚合物。
- A compound,such as ethylene glycol,used to prevent the formation of ice,as on windshields. 防冰物质一种化合物,如乙烯,用来防止(如挡风玻璃上)结冰
- It is offered that the triethylene glycol method is the most economi c and efficent way at present. 笔者认为此法是目前最经济、实用、行之有效的方法。
- A compound, such as ethylene glycol, used to prevent the formation of ice, as on windshields. 防冰物质一种化合物,如乙烯,用来防止(如挡风玻璃上)结冰
- The main synthetic methods of ethylene glycol was described. The ethylene glycol was synthesized by ethylene carbonate that is a new method which was importantly introduced. 阐述了乙二醇的几个主要合成方法,着重介绍了合成乙二醇的新技术方法:碳酸亚乙酯法。
- The compounding and on trial comditions of ethylene glycol antimony solution were introduced. 介绍乙二醇锑溶液的配制及试用情况。
- The results showed that poly( ethylene glycol) as a phase transfer catalyst can raise the conversion. 指出聚乙二醇作为相转移催化剂可增加转化率。
- Butyl cellosolve( aka butyl glycol, ethylene glycol monobutyl) is poisonous when swallowed and a lung-tissue irritant. 丁赛路苏(碱性丁二醇、二醇单丁醚)吞食有毒,对肺组织有刺激作用。
- Glycol glucoside was prepared from glucose and ethylene glycol in the presence of acid catalyst. 在酸性催化剂下,由葡萄糖和乙二醇经缩醛化反应制备了乙二醇葡糖苷。
- Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol. 由于烯二酸酐经醇解转型酯化途径合成了对皮肤无过敏反应的反丁烯二酸桂醇甘醇酯(SGF)。
- Recent advances in preparation of ethylene glycol via ethylene oxide catalytic reaction are reviewed in this paper. 摘要对环氧乙烷催化法合成乙二醇研究的最新进展作了综述。