ester ether
英 [ˈestə(r) ˈiːθə(r)]
美 [ˈestər ˈiːθər]
醚酯（又是醚又是酯）
双语例句
- Poly ( ether ester amide) was prepared from caprolactam and poly ( ether ester) which was synthesized from polyethylene glycol and adipic acid.
用聚乙二醇与己二酸反应合成聚醚酯，再用聚醚酯与己内酰胺反应得到聚醚酯酰胺。 - Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.
系统研究了以TBP为萃取剂，乙酸丁酯、二甲苯、石油醚、煤油为稀释剂，从高酸度盐酸溶液中萃取镓。 - 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 - Study on Thermotropic Liquid Crystalline Aromatic Ester of Cellulose Ether Using as Nucleator for Polyethylene Terephthalate and Application in Injection Molding
纤维素芳族醚酯热致液晶作PET成核剂及在注塑中应用的研究 - A stable copolymerization of vinyl acetate and acrylic ester emulsion pressure-sensitive adhesive ( PSA) was synthesized via seeded semi-continuous emulsion by using a novel reactive surfactant ammonium α-ally alkyl phenol polyoxyethylene ( 10) ether sulfonate ( HS-10).
采用种子半连续乳液聚合法，将反应性乳化剂α-烯丙基烷基酚聚氧乙烯醚硫酸铵（HS-10）引入醋丙乳液聚合体系，制备了稳定的醋丙压敏胶乳液。 - The pharmaceutical excipients which are made form cellulose include cellulose ester, cellulose ether and cellulose ester and ether. The performance, chemical structure and applications of pharmaceutical excipients from cellulose were reviewed in this paper.
作为医药辅料，纤维素衍生物包括纤维素醚，纤维素酯和纤维素醚酯，文中综述了天然纤维素基医药辅料性能、化学结构及其应用。 - Study on ester ether frother
醚酯类起泡剂的研究 - The finishes for POY mainly contained polyether and polyoxyethylene fatty acid ester, and the finishes for FDY mainly contained polyether, synthetic ester and alkylpolyoxyethylene ether.
POY油剂组成以聚醚、聚氧乙烯脂肪酸酯为主，FDY油剂组成以聚醚、合成酯、聚氧乙烯脂肪醇醚为主。 - The concentration of C and O in PCBs is high and the principal oxygen-containing functional groups in PCBs are alcohol, phenol, ester, lactone, anhydride and ether.
热解炭中C和O的含量高，含氧官能团主要为醇、酚、酯、内酯、酸酐和醚，有大量芳香稠环的存在，热解温度越高，芳构化越高； - Diester was synthesized from α-bromo-dodecanoic acid methyl ester and dihydroxybenzene via Williamson synthesis of ether, and a series of carboxylate ion gemini surfactants were obtained by saponification. The structures were confirmed by~ 1H NMR, IR and elemental analysis.
利用α-溴代月桂酸甲酯与二酚通过Williamson醚化得到二酯，再经皂化得羧酸盐二聚表面活性剂，其结构经1HNMR，IR和元素分析确认。 - The surfactants of polyoxyethylene castor oil series were found to have better efficiency than those of polyoxyethylene sorbitan monoacid ester series and polyoxyethylene fatty alcohol ether series in the solubilization and stabilization of calciferol.
3种结构类型不同的增溶剂对维生素D2的增溶效应，聚氧乙烯蓖麻油类大于聚氧乙烯脱水山梨醇脂肪酸酯类及聚氧乙烯脂肪醇醚类。 - Gas chromatographic separation of homologous series of n-Fatty alcohol and ethyl ester of n-Fatty acid on liquid crystal crown ether
液晶冠醚固定相分离正构脂肪醇和脂肪酸乙酯同系物的气相色谱研究 - A new series of ester ether liquid crystal compounds with oligo ( oxyethylene) middle units has been synthesized by using 4 ( 4 ′ alkoxybenzoyloxy) benzoic acids as a liquid crystal intermediate.
以4-（4′-烷氧基苯甲酰氧基）苯甲酸作为液晶中间体，合成了在分子中部含齐聚氧化乙烯的系列酯-醚液晶化合物。 - Catalytic Darzens glycidic ester condensation in crown ether and mixed solvent system
混合溶剂中冠醚催化作用的Darzens酯缩合 - 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。 - The results show that the mechanical properties of ester type of TPU/ PVC alloy have an advantage over ether type of TPU/ PVC alloy.
试验结果表明：聚酯型TPU与PVC合金的力学性能优于聚醚型TPU合金。 - Based on the principle of ester hydrolyzation to ether in alkali condition, the process for preparation of dimethyl sulfide ( DMS) from sodium methyl sulfate residue was investigated.
根据酯在碱性条件下水解反应生成醚的原理，研究了以甲基硫酸钠废渣为原料制备二甲基硫醚（DMS）的方法。 - Research into Application and Character of Physical and Chemical Properties on a New kind of Ester Ether Cleaning Oxygenated Diesel Fuel
新型醚酯类柴油清洁含氧燃料的应用及其理化性质的研究 - Studies of extraction of Potassium Picrate with several new ester ketonic type bis ( crown ether) s
几种酯酮型双冠醚对苦味酸钾的萃取性能研究 - IR spectra of treated coals show that the forms of non-covalent bonds are changed by hydrothermal treatment, and the hydrolysis of ester and ether bonds and the pyrolysis of aromatic side chains also maybe occur at high treatment temperature.
IR光谱分析表明，水热处理改变了煤分子中氢键等非共价键作用，其中较高温度水热处理将导致醚键、酯键等弱共价键水解和芳环侧链的断裂。 - Ester bond as an electron-withdrawing group could undergo as well, so the compound by ester bond connecting occurred more reduction process than ether bond connecting.
由于酯键作为一个吸电子基可以促进还原反应的发生，通过酯键连接的化合物比通过醚键连接的化合物出现更多的还原峰值。