查询词典 ether

By using polymerizable surfactants, the stability of the latex and water resistance of the film can be improved. Sodium monoalkyl maleates polymerizable surfactants, sodium monoalkylpolyoxyethylene maleates polymerizable surfactants and N-methyl-N-monododecylfumaroyl taurine polymerizable surfactants are synthesized, by using normal fatty alcohols, alkyl poly ether and maleic anhydride.

以直链脂肪醇、脂肪醇聚氧乙烯醚和马来酸酐为起始原料，设计合成了马来酸单脂肪醇酯钠盐A系列、马来酸单脂肪醇聚氧乙烯醚酯钠盐B系列、N-甲基-N-脂肪醇单酯富马酰基-牛磺酸钠D系列的可聚合乳化剂。

Light oil 2,000 yuan / ton; ferrocene 20000 yuan / ton; DME 2,500 yuan / ton; Light EPA [density 0.60-0.63] 2,000 yuan / ton; sodium bicarbonate 2600 yuan / ton; Mercaptans 3,000 / ton; xylene 3,500 yuan / ton; potassium permanganate 5,000 yuan / ton; petroleum ether 3,000 yuan / ton; naphtha 2900 yuan / ton; butane 2,000 yuan / ton; acetone 4400 yuan / t; hydroquinone 15,000 yuan / ton.

轻质油2000元/吨；二茂铁20000元/吨；二甲醚2500元/吨；轻烃碳五[密度0.60-0.63]2000元/吨；碳酸氢钠2600元/吨；硫醇3000元/吨；二甲苯3500元/吨；高锰酸钾5000元/吨；石油醚3000元/吨；石脑油2900元/吨；丁烷2000元/吨；丙酮4400元/吨；对苯二酚15000元/吨。

Light oil 2,000 yuan / ton; ferrocene 28000 yuan / ton; DME 3,000 / ton; sodium hydroxide 2600 yuan / ton; Mercaptans 18,000 yuan / ton; Flavor 36,000 yuan / ton; Light EPA [density 0.60-0.63] 2,500 yuan / ton; sodium carbonate 1,000 yuan / ton; hydrogen peroxide 1,000 yuan / ton; xylene 4200 yuan / ton; potassium permanganate 5800 yuan / ton; petroleum ether 3,500 yuan / ton; naphtha 2900 yuan / ton; ethanol 2800 yuan / ton; dry gas 4100 yuan / ton; butane 2,500 yuan / ton; acetone 4400 yuan / ton; hydroquinone 18,000 yuan / ton; natural gas (6 gauge) 3850 yuan / ton; gasoline 97 # 3,500 yuan / ton; gasoline 93 # 3,100 yuan / ton; gasoline 90 # 2900 yuan / ton; diesel 0 # 3200 yuan / ton;-10 # diesel 3,500 yuan / ton .

轻质油2000元/吨；二茂铁28000元/吨；二甲醚3000元/吨；氢氧化钠2600元/吨；硫醇18000元/吨；香精36000元/吨；轻烃碳五[密度0.60-0.63]2500元/吨；碳酸钠1000元/吨；双氧水1000元/吨；二甲苯4200元/吨；高锰酸钾5800元/吨；石油醚3500元/吨；石脑油2900元/吨；乙醇2800元/吨；干气4100元/吨；丁烷2500元/吨；丙酮4400元/吨；对苯二酚18000元/吨；天然液化气(6个压)3850元/吨；汽油97＃3500元/吨；汽油93＃3100元/吨；汽油90＃2900元/吨；柴油0＃3200元/吨；柴油-10＃3500元/吨。

Production sites: 50 ㎡-200 ㎡. For another: light oil 2,000 yuan / ton; ferrocene 20,000 / ton; DME 2,500 yuan / ton; Light EPA [0.60-0.63 density] of 2,000 yuan / ton; sodium hydroxide 2600 yuan / ton; Mercaptans 18,000 yuan / ton; xylene 4200 yuan / ton; potassium permanganate 5,000 yuan / ton; petroleum ether 3,500 yuan / ton; naphtha 2900 yuan / ton; butane 2,000 yuan / ton; acetone 4400 yuan / t; hydroquinone 18,000 yuan / ton.

生产场地：50 ㎡-200 ㎡。另供：轻质油2000元/吨；二茂铁20000元/吨；二甲醚2500元/吨；轻烃碳五[密度0.60-0.63]2000元/吨；氢氧化钠2600元/吨；硫醇18000元/吨；二甲苯4200元/吨；高锰酸钾5000元/吨；石油醚3500元/吨；石脑油2900元/吨；丁烷2000元/吨；丙酮4400元/吨；对苯二酚18000元/吨。

Point out it as new developing advantage of clean fuel and have problem, recommend methanol petrol help solvent and alcohol ether development and application prospect of fuel.

指出了其作为新兴清洁燃料的优点及存在问题，介绍了甲醇汽油助溶剂及醇醚燃料的开发应用前景。

In China, the coal resource is rich, two-thirds of the hydro-electricity resource is yet to be exploited, the applications of nuclear electricity, wind electricity generation, solar energy, and biomass energy have just begun, and there is a very positive prospect for developing alternative energy sources of fuel alcohol, methanol, dimethyl ether, and coal liquefaction.

中国煤炭资源丰富，三分之二的水电资源尚未开发，核电、风力发电、太阳能以及生物质能的应用刚刚起步，燃料乙醇、甲醇、二甲醚以及煤炭液化等替代能源的发展前景广阔。

Was extracted with 95% ethanol at first,and then the ethanolic extract was separated with petroleum ether, ethyl acetate, n-Butyl alcohol and methanol in turn to get four fractions from small to large in polarity. The MTT experiment was made for active screening.

方法青天葵部位提取物的制备主要采用溶剂法，青天葵全草先用95%的乙醇提取，得到的提取物进一步用石油醚、醋酸乙酯、正丁醇、甲醇依次提取，得到极性由小到大的4个提取部位。

Adopting condensation copolymerization between alkylphenol polyoxyethylene ether and methyl aldehyde and using concentrated sulfuric acid sulfonation, which it with sodium hydroxide neutralization, finally acquired sulphonate anionic surfactant, utilize as temperature resistance 、mineral salt tolerance for heavy oil viscosity reducer , research on the performance evaluation, the result indicate, the amount of sulphonate anionic surfactant to be used at 0.2wt%, viscosity reducer rate reached 92.1%; added with 0.5wt%, the calcium and magnesium ions resistance in mineral water up to 800mg/L.

采用辛基酚聚氧乙烯醚和甲醛的共缩聚物与浓硫酸磺化后，再用氢氧化钠中和后得到磺酸盐阴离子表面活性剂作耐温抗矿盐稠油降粘剂，并对其进行性能评价，结果表明，辛基酚聚氧乙烯醚甲醛共缩聚物磺酸盐阴离子表面活性剂加量为0.2wt%时，降粘率高达92.1%，抗钙、镁离子能力达800mg/L。

It discloses four kinds of diamino monomers such as 1, 4-(4- amnio- 2- trifluoromethyl- phenoxy)- 2-(3'-methyl phenyl)benzene containing fluorine, ether linkage and benzene side chain.

具体公开了四种含氟、醚键和苯侧基的1，4-(4-胺基-2-三氟甲基-苯氧基)-2-(3'-甲基苯基)苯等二胺基单体。

Oil in the redeployment of high-octane fuel components, blending the best choice programs, such as redeployment isooctane, cumene, alkyl benzene, methyl tert-butyl ether, alcohol burning Materials.

在油品中调入高辛烷值燃料的组分，选择最佳调合方案，如调入异辛烷、异丙苯、烷基苯、甲基叔丁基醚、醇类燃料等。

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。