查询词典 methyl-ethyl ether

Methyl tert-butyl ether is a gasoline additive used to improve air quality by reducing emissions.

土壤/地下水被汽油、柴油及其他石油制品所污染是一个愈趋普遍且严重的问题。

The fundamentals of the degradation of Methyl tert-Butyl Ether in aqueous solution using Fenton Reagent were investigated.

本研究探讨微电化学抛光之加工参数，针对模具业常用的模具钢SKD11进行各种参数实验。

Methyl tertiary butyl ether is a new gasoline additive, which is used to increase the combustion of gasoline and to reduce the emission of harmful exhausts from automobile.

甲基叔丁基醚是一种新型的汽油添加剂，被用来提高汽油燃烧效率，减少汽车尾气中有害物质的排放。

Environmental Protection Office of the State of New York on the 22nd release of the study found that, although in 2004 in New York have banned the use of methyl tert-butyl ether, but the pollution remains a threat to drinking water supply to Long Island aquifer.

环境保护的纽约州办事处对22日公布的研究发现，虽然在2004年在纽约已禁止使用甲基叔丁基醚，但污染仍然是饮用水供应构成长期的威胁岛的含水层。

The preparation process of SO4 2-/TiO2 type of solid superacid catalyst used for the synthesis of propylene glycol methyl ether propionate was investigated.

研究了合成丙二醇甲醚丙酸酯用固体超强酸催化剂SO4 2-／TiO2的制备工艺，得到了催化剂制备的适宜工艺。

Objective To investigate the effects of methyl tertiary butyl ether on the FOS protein in central nervous system of the rats. Methods 54 SD healthy adult-rats weighed 180~220g were involved in this study.

目的 通过研究甲基叔丁基醚对大鼠中枢神经系统Fos蛋白的影响，探讨MTBE对中枢神经系统急性毒作用部位。

Oxidation of methyl tert-butyl ether, a common additive to gasoline,which is one of organic pollutants in the environment, was investigated. Based on the ozonation mechanism of MTBE,the oxidation properties and the intermediates were investigated.

文章针对汽油添加剂甲基叔丁基醚对环境日益严重的污染问题，在臭氧氧化MTBE反应机理研究的基础上，对反应特性及其中间产物进行了研究。

Methyl tert-butyl ether; determination ; gas chromatography ; ambient air

甲基叔丁基醚；测定；气相色谱；环境空气

We have also investigate the effect of adding [6,6] phenyl C61butyric acid methyl ether as an electron transport material in various contents with CdTe QDs on the improvement of solar conversion efficiency of the PV devices.

我们亦探讨掺杂[6，6]苯基C61丁酸甲酯改善载子传输，搭配不同的混合浓度与粒径大小量子点对太阳能电池转换效率的影响。

Diglycolic simple methyl ether is made up of dig lycolic and sulfate dimethyle, with ammonia water as catalyst. The stock can be found easily and the process is easy too. According to the temperature du ring the reaction, the formula of the stock, the time of the reaction etc, discussion was made in more detail.

以二甘醇、硫酸二甲酯为原料，以氨水为催化剂，合成二甘醇单甲醚，原料易得，工艺简单，针对反应过程中反应温度、原料配比、反应时间等影响因素，进行了较为详细的讨论。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。