• Ethyl tert-butyl ether (ETBE) is another better gasoline additive than MTBE.

    乙基叔丁基醚(etbe)是较甲基叔丁基醚(MTBE)更为优良的汽油添加剂。

    youdao

  • Ethyl tert butyl ether (ETBE) is a good additive for gasoline with high octane number.

    乙基叔丁基醚(etbe)是一种性能优良的高辛烷值汽油调和组分。

    youdao

  • The study results of the toxicity of methyl tertiary butyl ether (MTBE) were reviewed.

    对国内外有关甲基叔丁基醚(MTBE)毒性的研究结果作了综述。

    youdao

  • It reports that n-butyl ether can be prepared in microscale experiment with a microscale distillation head.

    用微型蒸馏头替代常量分水器来制备正丁醚,既能满足分析要求,又能节省实验经费。

    youdao

  • Methyl tert-butyl ether (MTBE) is widely used as an addictive in unleaded gasoline to curb the air pollution caused by leaded gasoline.

    甲基叔丁基醚(MTBE)作为一种新型的无铅汽油添加剂被广泛应用以减少含铅汽油对空气的污染。

    youdao

  • Methyl tertiary butyl ether (MTBE), a new gasoline additive, is added to gasoline as an octane enhancer and used to reduce automotive emissions.

    甲基叔丁基醚(MTBE)是一种新型的汽油添加剂,被用来提高汽油辛烷值和减少汽车尾气中有害物质的排放。

    youdao

  • Previously, MTBE (methyl tertiary-butyl ether) was the oxygenate of choice, but fell out of favour in 2004 when it was found to contaminate ground water.

    以前,MTBE(甲基叔丁基醚)曾作为汽油充氧剂,但是,在2004年,人们发现它污染了地下水,所以就不再使用它了。

    youdao

  • DMC has about 3 times the oxygen content as methyl tert-butyl ether (MTBE) and its synthesis is not dependent upon FCU isobutylene yields like MTBE.

    DMC的含氧量大约是甲基叔丁基醚(MTBE)的三倍,它的合成也不像MTBE那样依赖于异丁烯的产量。

    youdao

  • Previously, MTBE (methyl tertiary - butyl ether) was the oxygenate of choice, but fell out of favour in 2004 when it was found to contaminate ground water.

    以前广泛使用的增氧剂是甲基叔丁基醚,后来有研究发现甲基叔丁基醚会污染地下水,因此在2004年久停止使用了。

    youdao

  • Methyl tert-butyl ether(MTBE)is widely used as reformulated gasoline oxygenate. It is so much used that the amount of MTBE discharged into the environment is increasing continuously.

    目前甲基叔丁基醚(MTBE)被广泛用作汽油添加剂,通过各种排放途径进入环境的数量不断增加。

    youdao

  • Discusses the mechanism and harmfulness of undesired formation of butyl ether by inter-molecular dehydration of n-butanol during DBP production. Preventive measures are also provided.

    着重讨论了DBP(邻苯二甲酸二丁酯)生产过程中,丁醇分子间脱水生成丁醚的副反应机理及危害,并找出了预防副反应发生的措施。

    youdao

  • The viscosity of saturated liquid methyl tert-butyl ether(MTBE) was presented over the temperature range from 268.123 to 373.131 K with a calibrated Ubbelohde-type capillary viscometer.

    利用改进型的乌别洛特毛细管黏度计,对268.123~373.131K温度区间内的甲基叔丁醚的饱和液相黏度进行了实验研究。

    youdao

  • Hoping for dibutyl carbitol(DBC)through the dehydration of glycol butyl ether, a new highly effective extractant system for gold with structure similar to DBC was synthesized in this paper.

    采用乙二醇单丁醚脱水的方法合成了高效的具有类似二丁基卡必醇结构的新金萃取剂体系,探讨了其合成工艺。

    youdao

  • The production, supply and demand of methyl tert-butyl ether (MTBE) at home and abroad are reviewed and the techno-economic indices of production technologies are also compared in this paper.

    综述甲基叔丁基醚(MTBE)的国内外生产和供需状况以及生产工艺技术经济指标对比。

    youdao

  • The kinetics of thiol-ene reaction is studied by Fourier Transform Infrared when benzoin dimethyl ether, benzoin ethyl ether, benzoin butyl ether, benzophenone and ITX were used as photosensitizer.

    为研究硫醇烯光固化组成物的反应机理,选用安息香双甲醚、安息香乙醚、安息香正丁醚、二苯甲酮和噻吨酮为光敏剂,用红外光谱法研究了硫醇烯的光化学反应动力学。

    youdao

  • Methyl tertiary butyl ether (MTBE) is a new gasoline additive used to increase gasoline octane value and decrease the exhaust of some harmful pollutants, but there is still debate on its toxicology.

    甲基叔丁基醚(MTBE)是一种新型的汽油添加剂,常用来提高汽油辛烷值和减少汽车尾气中有害物质的排放。

    youdao

  • Ethyl tert butyl ether (ETBE) is a good additive for gasoline with high octane number. Some typical production technologies overseas and domestic research situations of ETBE synthesis are introduced.

    乙基叔丁基醚(ETBE)是一种性能优良的高辛烷值汽油调和组分。

    youdao

  • To establish a solvent desorption gas chromatography for determining n-Butyl glycidyl ether in the air of workplaces.

    目的建立工作场所空气中正丁基缩水甘油醚的溶剂解吸气相色谱测定方法。

    youdao

  • To found a method to detect the residual solvents of penicillin sodium for injection: butanol acetic ether and butyl acetate.

    摘要目的:建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。

    youdao

  • Acrylic dispersion was prepared by adding water into polyacrylic solution which was carried out in the present of propylene glycol monomethyl ether acetate using di-tert-butyl peroxide as initiator.

    以过氧化二叔丁基为引发剂,丙二醇甲醚醋酸酯为溶剂,进行了丙烯酸酯溶液共聚合后,用水稀释得到丙烯酸树脂分散体。

    youdao

  • 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。

    youdao

  • Objective: to found a method to detect the residual solvents of Penicillin Sodium for Injection: butanol, acetic ether and butyl acetate.

    前言:目的:建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。

    youdao

  • Butyl-agarose chromatography media were prepared by direct coupling of butyl glycidyl ether (BGE) on agarose 4ff beads.

    以快流速琼脂糖凝胶为基质,采用直接偶联法制备丁基琼脂糖疏水层析介质。

    youdao

  • Butyl-agarose chromatography media were prepared by direct coupling of butyl glycidyl ether (BGE) on agarose 4ff beads.

    以快流速琼脂糖凝胶为基质,采用直接偶联法制备丁基琼脂糖疏水层析介质。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定