醚

In this thesis, three different chain length hybrid monomers, containing acrylate and propenyl ether group, was synthesized by three-step reaction through 1.3-propanediol, 1.4-butanediol, 1.6-hexanediol, allyl bromide and acryloyl chloride.

本文以1.3-丙二醇、1.4-丁二醇、1.6-己二醇、烯丙基溴及丙烯酰氯为主要原料，通过三步反应合成了三种不同链长的丙烯酸酯-丙烯基醚杂化单体。

The title anti-fogging coating was prepared from film-forming substance such as UV curing of n-butyl methacrylate,β-hydroxy ethyl acrylate,acrylamide and sodium propenyl alkyl ether hydroxyl sulfonate,and proper solvents, crosslinker s,photoinitiators and additives.

以光敏丙烯酸酯低聚物、甲基丙烯酸丁酯、丙烯酸-β-羟乙酯、丙烯酰胺及丙烯基烷醚羟磺酸钠为主要成膜物质，再配以适量的溶剂、交联剂、光敏剂及各种助剂制成UV固化防雾涂料。

A kind of multifunctional and environmental friendly powder putty has been prepared based on coal ash powder and ground calcium Carbonate and so on as fillers and dry emulsion powder and cement as binder, mixed with proper powder additives and other auxiliaries.

以乳胶粉、水泥为粘结料，粉煤灰、重质碳酸钙、石英砂等为填充料，配以适当的粉末状助剂，制得了一种粉末腻子；探讨了乳胶粉、纤维素醚、水泥、粉煤灰以及复合填料的用量对粉末腻子性能的影响，优化出较佳的粉末腻子配方；测试了粉末腻子的理化性能。

In addition to the regular use of a vacuum cleaner suction carpet dust can also be used ethers of Pyrethrin pesticide spraying in the carpet, or cotton cloth dipped in turpentine carpet.

经常用吸尘器吸除地毯上的灰尘，还可以用除虫菊酯醚类的除虫剂喷洒在地毯上，或用棉纱蘸松节油擦拭地毯。

In addtion, a feasible study has been done on the application of molecular distillation to purifying piperonyl butoxide ,a synergist for pyrethrin, synthesized from safrole oil.

并利用短程蒸馏技术对从由黄樟油合成的混合物中分离提纯胡椒基丁醚进行研究。

The electro-polymerization of 3- [2, 5, 8, 11-tetraoxa-tridecan-13-ol] -pyrrole was investigated.

本论文还对3-吡咯甲基-四聚乙二醇单醚的电化学聚合过程以及其中的一些影响因素进行了研究。

The results show that: the functional groups in coal are the function of coal rank , and the yields of CO 2, H 2O and CO are related to the content of carboxyl, hydroxyl and other oxygen containing groups such as ether groups in coal, and Tar and CH 4 are related to the aliphatic CH, the char yields to the aromatic CH.

借助化学分析和FTIR光谱分析对我国煤化程度不同的18 种煤中官能团的研究表明：煤中官能团含量与煤化程度有关；煤中羧基、羟基及醚键等其他含氧官能团的含量与热解生成物CO2、H2O 和CO 的产率有关，脂肪—CH 的含量与甲烷和焦油的产率相关联，芳香—CH 的含量与热解半焦产率有关。

The mechanism of oxidation was discussed,and the reactivity of different sulfides was compared.

探讨了该反应机理，并比较几种了硫醚氧化活性。

Isoflurane could also be used to facilitate the action of small doses of a short-acting nondepolarizing muscle relaxant.

异氟醚可用来增强小剂量短效非去极化肌松药的作用。

They were separated by using DEAE-cellulose column chromatography. Their structures were determined by IR and GC-MS. The contents of the total polysaccharide, 3,6-anhydrogalactose and sulfate were analyzed by the methods of anthranone-sulfuric acid, resorcin and BaCl2 turbidimetry.

分别用蒽酮—硫酸法、间苯二酚法、BaCl_2比浊法测定多糖样品的总糖含量、3，6-内醚半乳糖含量和总硫酸基含量；用红外光谱法确定多糖样品的特征基团；用气质联用法初步测定麒麟菜硫酸多糖的化学组成。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。