Archaean cell walls lack murein, and their lipids have ether links rather than ester links.
古细菌的细胞壁缺乏胞壁质，其连接是醚连接而不是酯连接。
Based on the principle of ester hydrolyzation to ether in alkali condition, the process for preparation of dimethyl sulfide 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的方法。
The mechanism involves a combination of hydrolysis of the ester linkages and enzymatic attack on ether and amide bonds.
该机制涉及的联系和对醚酯和酰胺键水解酶的攻击组合。
They are also used as the material of ether and ester surfactant.
也用作醚型，酯型表面活性剂的原料。
Poly(ether-ester) elastomers are a type of important thermoplastic elastomers, the study of microphase separation is very important to the promotion of their properties.
聚醚酯弹性体是一类重要的热塑性弹性体，研究它的微相分离对提高其性能有重要的意义。
The crystallization morphology and isothermal crystallization process were studied by means of polarized microscope and DLI (Depolarized Light Intensity) for poly (ether ester) block copolymers.
采用偏光显微镜和光学解偏结晶速率仪研究了嵌段聚醚酯共聚物的结晶形态和等温结晶过程。
The flame retardant additives could be classified in two classes: one was fluorinated ether and ester, the other was organic phosphorus.
阻燃添加剂主要分为两大类：一类是含氟的醚类和酯类，另一类是有机磷系。
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。
Both the oxidation and polymerization of acrylic ester containing ether bond are much easier than without.
带醚键的丙烯酸酯氧化和聚合快。
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。
From the 35% EtoAc-petroleum ether portion 1-0-hexanoyl-glycerol ester(12) were isolated.
从35％乙酸乙酯—石油醚部分分离得到了十六碳酸甘油酯（12）。
OBJECT To search method of synthesising Hexamethyl ether of salvianolic acid A benzyl ester as danshensu derivative.
目的：探讨六甲基丹酚酸A苄酯的合成方法。
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。
Various aromatic diacids and various divinyl ether compounds are heated to react in organic solvent to obtain novel ester acetal polymers.
各种芳香二酸和各种二乙烯基醚化合物在有机溶剂存在下加热反应得到新型的酯缩醛聚合物。
Crystallinity and mechanical properties of poly (ester-ether) liquid crystalline elastomer and their fibers were investigated by WAXDand Single fiber Electronic Tensile Strength Tester.
利用广角x -射线衍射仪和单纤维电子强力仪对聚酯醚液晶弹性体及其纤维的结晶性和力学性能进行了研究。
The content of the cyclic ether compound is adjusted to 0.01 to 5 parts by mass based on 100 parts by mass of the ester compound.
具有带酯键的侧链的五元环或六元环的环状醚化合物，其中所述环状醚化合物的含量，按每100质量份所述酯化合物，调整到0.01至5质量份。
The constituents from pickle brine extracted with ethyl ether and identified by GC MS. In the result, 8 acids, 4 alcohol, 2 nitriles, 2benzines and 1 ester were identified.
首先，对雪里蕻腌菜卤汁的乙醚萃取浓缩液组分进行了鉴定，结果发现有机酸组分8个，醇类组分4个，腈类组分2个，酯类组分1个，芳香烃2个。
A phosphate ester tert-fluorine water dispersion resin(resin monomer total weight% )comprises:1)30.0% ethylene glycol monobutyl ether;
一种含磷酸酯叔氟水分散体树脂，按树脂的单体总重量计，其包括：1） 30.0％的乙二醇独丁醚；
A phosphate ester tert-fluorine water dispersion resin(resin monomer total weight% )comprises:1)30.0% ethylene glycol monobutyl ether;
一种含磷酸酯叔氟水分散体树脂，按树脂的单体总重量计，其包括：1） 30.0％的乙二醇独丁醚；
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