1·The preservative used is usually ethylene glycol or propylene glycol, as alcohol will evaporate quickly and the traps will dry out.
常用防腐剂是乙二醇或丙二醇,因为随着酒精快速挥发,捕集器也随之恢复干燥。
2·During the winter months, the pump circulates a mix of water and glycol (antifreeze) into the Wells through loops of pipe.
在冬季,地热泵会将水与乙二醇(防冻剂)的混合物泵入深入地热井的管道中进行循环。
3·The other method runs room-temperature glycol through those same iced-over tubes.
另一个方法是让室温的乙二醇通过外边结冰的管子。
4·In the summer, the process reverses, with the pump sending water and glycol into the pipe to help cool the house.
在夏季,程序正相反,地热泵会将水与乙二醇送入管道中以帮助房屋内制冷。
5·The temperature at which a solution of a surfactant or glycol starts to form micelles (molecular agglomerates), thus becoming cloudy.
表面活性剂溶液或乙二醇开始形成胶粒(分子聚集)的温度,溶液开始变得浑浊。
1·The kinetics of polyesterification of phthalic anhydride with diethylene glycol was investigated.
对邻苯二甲酸酐和二甘醇的聚酯化动力学进行了研究。
2·Endoplasmic aroma of sweet fragrance, liquor color Yellow bright, mellow taste of diethylene glycol, While the fresh leaf.
内质香气甜香馥郁,汤色嫩黄明亮,滋味鲜爽甘醇,叶底黄亮鲜活。
3·The esterification, polyesterification, polycondensation and the formation of diethylene glycol (DEG) reaction kinetic parameters were obtained.
获得了酯化反应、酯化缩合反应、缩聚反应以及二甘醇生成反应的动力学参数。
4·The synthesis of 1,4dioxane employing the diethylene glycol as raw material and sodium bisulfate monohydrate as catalyst was discussed.
利用二甘醇为原料,一水硫酸氢钠为催化剂合成了1,4 二氧六环。
5·This paper deals with the structural formula of polyethylene glycol quaternary ammonium by the 13C-NMR and 1H-NMR spectra.
本文着重从核磁共振光谱的角度(包括氢核磁共振谱和碳核磁共振谱)来研究多甘醇单甲醚季铵盐的结构。
1·Polytetramethylene ether glycol (PTMEG) is one of important materials for production of spandex and thermoplastic polyurethanes elastomer (PU).
聚四亚甲基醚二醇(PTMEG)是生产氨纶和聚氨酯弹性体的重要原料之一。
2·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。
3·Label Statement: Contains flavor, propylene glycol, ethyl alcohol and Caramel Color.
标签声明:本品含有香精,丙二醇,乙醇和焦糖色素。
4·The distillation conditions including overhead pressure, reflux ratio for the recovery of 1,2- propylene glycol were studied.
本文还研究了精馏的一些操作条件对1,2-丙二醇精制过程的影响(塔顶压力、回流比等)。
5·Neopentyl glycol is mainly used for making top-grade resin and powder coating, which is produced industrially by the condensation route using formaldehyde and isobutyraldehyde as raw materials.
新戊二醇主要用于制造高档树脂和粉末涂料,工业上采用甲醛和异丁醛缩合合成。