Under the pressure of 0 6 MPa reacting for 3 h at the temperature 55-90 ℃ the conversion of tetraethylene glycol was greater than 99 % and the selectivity of dimethyl ether was 786 % .

反应温度为55～90℃，反应压力06MPa，反应时间为3h， 四 甘 醇转化率大于99%，双醚选择性为786%。

As the addition of the two monomers to Tetraethylene Glycol Dimethacrylate ( SR209 ) the mechanical properties of the curing products were different .

两种单体加入三缩 四 乙 二醇双甲基丙烯酸酯（SR209）中后，对体系光固化后的产物力学性能有不同影响。

Measurement and Correlation of Infinite Dilution Activity Coefficients of Hydrocarbons in Triethylene Glycol and Tetraethylene Glycol

烃类在三甘醇和 四 甘 醇中无限稀释活度系数的测定与关联

In the case of tetraethylene glycol as solvent the free ion and ion pair percentage increase as the temperature is raised .

以 四 乙 二醇为 增 塑剂时，自由离子和离子对百分数随温度升高 而增大， 而 三离子百分数则随温度升高 而 降低；

When tetraethylene glycol was used as membrane liquid SLM showed that separation factor was about 20 and permeation flux 50 - 60 g / ( m2 · h ) at 40 ℃ .

以 四 甘 醇作为支撑 液膜的膜液时， 液膜 稳定性 最好，在40℃的操作条件下，分离因子接近20，渗透通量在50-60g／（m2·h）。

Platinum nanowires were electrodeposited in a lamellar lyotropic liquid crystal composed of nonionic surfactant tetraethylene glycol monododecyl ether and H2PtCl6 aqueous solution .

以非离子表面活性剂 四氧 乙烯基正十二烷基醚与氯铂酸水溶液构建层状溶致液晶，通过电沉积技术制备了金属铂纳米线。