ether

noun

1. 醚；乙醚
   a clear liquid made from alcohol, used in industry as a solvent and, in the past, in medicine to make people unconscious before an operation
2. 苍穹；苍天；太空
   the upper part of the sky
   1. Her words disappeared into the ether.
      她的话消失在九霄云外。
3. 以太
   the air, when it is thought of as the place in which radio or electronic communication takes place

1. N-UNCOUNT 醚;乙醚
   Ether is a colourless liquid that burns easily. It is used in industry and in medicine as an anaesthetic.
   1. ...a sweetish smell of ether and iodine.
      乙醚和碘酒的香甜气味
2. N-SING 以太，能媒(尤指声音传播的介质)
   The air is sometimes referred to as the ether, usually when talking about sounds being communicated or broadcast through it.
   1. ...vocals floating through the ether.
      空中飘着的歌声

1. Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
   以醋酸和乙二醇单乙醚为原料，活性白土负载磷钨酸作为催化剂，合成了乙二醇单乙醚醋酸酯。
2. Ammonium tristyrylphenol polyoxyethylene ether sulfate was synthesized from tristyrylphenol polyoxyethylene ether and sulfamic acid using urea as catalyst.
   以三苯乙烯基苯酚聚氧乙烯醚和氨基磺酸为原料，合成了三苯乙烯基苯酚聚氧乙烯醚硫酸酯铵盐。
3. It is the first time that the petroleum ether extract and ethyl acetate extract of Nerviliafoadii.
   首次确定了青天葵的石油醚和乙酸乙酯部位是体内抗肿瘤作用的有效部位。
4. Objective: To establish a for determination of methyl tert-butyl ether in drinking water by purge-trap GC-MS.
   目的：建立适用于水中甲基叔丁基醚的吹扫捕集GC-MS测定方法。
5. Some I found who had conquered the ether.
   我发现一些人已经征服了以太。
6. Propyl glycidyl ether ( PGE) was obtained from propyl alcohol and epichlorohydrin by phase-transfer catalysis.
   以环氧氯丙烷和正丙醇为原料，通过相转移催化法合成了正丙基缩水甘油醚。
7. In1847 James Young Simpson discovered the anesthetic of both ether and chloroform, opening the way to painless surgery.
   1847年詹姆斯辛普森青年发现了麻醉乙醚，氯仿，开辟了无痛手术的道路。
8. Ethyl Monoethanolamine is a colourless liquid, miscible with water, alcohol and ether.
   乙基乙醇胺是一种无色液体，与水，醇，醚混溶。
9. Activity and stability of the catalyst were examined for synthesis of acetic ether.
   以乙酸乙酯合成反应为模型反应考察其催化活性和稳定性。
10. The current situation of applying dimethyl ether as a new aerosol propellant was introduced.
    摘要介绍了二甲醚作为抛射剂在国内外的应用现状。
11. The separation of meta-and para-methyl cresol ether using six type of packed and fused silica capillary columns is compared.
    比较了不同固定液的填充柱和毛细管柱对间、对甲酚甲醚异构体的分离效果。
12. Application and significance of dimethyl ether for solving the energy and environment problems are briefly introduced.
    简单介绍了二甲醚的用途及对解决能源和环境问题的重要意义。
13. Author has introduced the industrialized production progress for producing dimethyl ether from synthetic gas by using the fixed bed one step method and by using the liquid phase method;
    从二甲醚的研究、生产、建设和应用等方面介绍了采用固定床一步法合成气制二甲醚和液相法生产二甲醚的工业化生产进程；
14. The product in ethanol, acetone, chloroform or ether, soluble, almost insoluble in water;
    本品在乙醇、丙酮、氯仿或乙醚中易溶，在水中几乎不溶；
15. Ethyl tert butyl ether is synthesized from ethanol and tert butyl alcohol by reaction distillation.
    以乙醇和叔丁醇为反应物，采用反应精馏法合成了乙基叔丁基醚。
16. DPMA Di ( propylene glycol) methyl ether acetate;
    二丙二醇甲醚醋酸酯；
17. In this paper, a detail review is given on the recent progress in chiral crown ether biomimetic chemistry.
    综述了部分开链配体的络合行为，对手性冠醚的合成、分子识别及仿生功能的研究进行了评述。
18. This paper introduces the production technology, main application and research progress of dimethyl ether, and foretells its application prospect.
    摘要介绍了二甲醚的生产技术、主要用途和研究进展，并对其应用前景做了展望。
19. Lubricity evaluation method of dimethyl ether fuel was investigated by correlation analysis on the basis of experiments.
    在试验的基础上，采用相关分析法研究了车用二甲醚燃料润滑性能的评定方法。
20. The development of one-step catalytic process for dimethyl ether synthesis and co_2 activation promoted by h_2.
    一步合成二甲醚催化过程开发及co2的h2助活化与转化研究。
21. 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。
22. In this paper, the cedrol methyl ether was synthesized by sodamide method.
    本文采用氨基钠法合成甲基柏木醚。
23. A certain reference value was indicated in this experiment for industry synthesis of cedrol methyl ether by sodamide method.
    本实验对甲基柏木醚氨基钠法工业化生产具有一定的参考价值。
24. The synthesis, production and application of the surfactant alkyl diphenyl ether disulfonate were reviewed.
    介绍了表面活性剂烷基二苯醚二磺酸盐的合成、生产及应用情况。
25. Synthesis and Properties of the Prepolymer from Acrylic Acid Rosin and Ethylene Diglycidyl Ether
    丙烯酸松香与乙二醇二缩水甘油醚预聚体的合成和性能研究
26. This is an overall review about the development of synthesis and applications of chiral crown ether compounds.
    对近几年来的手性大环冠醚化合物的合成及应用研究进展作了较为全面的综述。
27. Direct injection engine, Dimethyl ether, Combustion, Emissions control;
    直喷式发动机，二甲醚，燃烧，排放控制；
28. Development of Preparation and Application of Sulfonated Poly Ether Ether Ketone
    磺化聚醚醚酮膜的制备和性能研究进展
29. Producing methanol, dimethyl ether and alcohol ether fuel with biological substance after indirectly liquefied.
    将生物质间接液化后生产甲醇、二甲醚、醇醚民燃料等；
30. Synthesis of Ethyl Tert-butyl Ether by Niobic Acid introduce the butyl group into a chemical compound.
    酸处理的铌酸催化合成乙基叔丁基醚把丁基引入化学中的化学物。

noun

1. a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic

   Synonym:    ethoxyethanedivinyl ethervinyl etherdiethyl etherethyl ether

2. a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves

   Synonym:    aether

3. any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom

4. the fifth and highest element after air and earth and fire and water

   Synonym:    quintessence