carboxylic ether
英
美 [kɑrbɔkˈsɪlɪk ˈiːθər]
网络 羧酸酯
双语例句
- Study on Synthesis of α,β- Unsatura Ted Carboxylic Acid Hydroxyethyl Ester by Boron Trifluoride Ethyl Ether and Catalytic Promoter System
三氟化硼乙醚催化合成α，β不饱和羧酸羟乙酯的研究 - A new type of anionic trimeric surfactant containing easily degradable carboxylic groups and hydrophilic hydroxyl groups in its molecular structure was synthesized based on harmless and non-toxic propanetriol glycidyl ether, laurylamine and sodium chloroacetate.
采用丙三醇缩水甘油醚、十二胺和氯乙酸钠为原料合成了一种新型丙三醇型三联阴离子表面活性剂，该分子结构中含有易降解的羧基和亲水基团羟基，且所用原料均无毒无害。 - It was found that molar rate of carboxylic groups and ether groups and the degree of polymerization of polyether side chain are key factors in the radical polymerization;
实验表明：羧基与醚键的摩尔比率和聚醚侧链的聚合度是分子结构中的关键因子； - Oil collection agents of oil slicks on seawater surface& Oil collection agents of mixture of the natural aliphatic carboxylic acids and polypropene ether
水面溢油集油剂研究&天然混合羧酸系列集油剂 - The progresses in the methodology for the reso lution of racemic 1,1 ′ bi naphthol via cyclic phosphate, carboxylic ester, carbonate, ether, borate, inclusion crys tallization and enzyme catalytic hydrolysis were reviewed.
综述了外消旋1,1′-联-2-萘酚拆分方法学研究进展，包括环磷酸酯法、羧酸酯法、碳酸酯法、环状醚法、环硼酸酯法、包合物结晶法、酶水解法。 - Polycarboxylate high range water-reducer with carboxylic groups and sulphonic groups in its main chain and polyoxyethylene ether as side chains was prepared by free radical polymerization, graft reaction and sulphonation.
通过自由基溶液共聚合反应、接枝反应和磺化反应，制备了一类主链带羧基、磺酸基，支链带聚氧乙烯基醚基的聚羧酸盐高效减水剂。 - The mixture of the natural aliphatic carboxylic acids and polypropene ether in combination with the alcohol solvent systems are an effective oil collecting agent for the containing diesel fuel or crude oil slicks on water surface.
利用天然混合羧酸与聚氧丙烯醚以适当比例混合，以乙醇为溶剂制得新型集油剂，燃点88.7℃，对于水面柴油、原油膜有优良的集油性能。