The invention relates to a polyether ester polyhydric alcohol and the manufacturing method.
一种聚醚酯多元醇及其制备方法，属于聚合物技术。
The polyhydric alcohol having 4 or more carbon atoms may be diethylene glycol or triethylene glycol.
具有至少4个碳原子的多元醇可以是二乙二醇或者三乙二醇。
The characteristics, synthesis and USES of fatty acid esters of monohydric and polyhydric alcohols, and their new developing tendency for "green surfactants" are described.
论述了脂肪酸一元醇酯，多元醇酯的特性、合成及用途，并介绍了由脂肪酸酯开发“绿色”表面活性剂的最新技术动向。
To this end an aspartic acid derivative and a fatty acid ester of a polyhydric alcohol are incorporated as additives in a base oil of e. g. mineral oil or synthetic oil type.
为此，在例如矿物油或合成油类型的基础油中加入了作为添加剂的天门冬氨酸衍生物和多元醇的脂肪酸酯。
A carbonaceous heat source composition for a non-combustion type smoking article according to the present invention includes carbon and 0.5 to 5% by weight of a polyhydric alcohol.
一种非燃烧型吸烟物品用碳质热源组成物，其包含有碳，且含有多元醇的比例是0.5 ~ 5%重量。
PC-602 (A mixture of polyhydric alcohol phosphate ester, phosphate and polyphosphate) is a high efficient corrosion inhibitor used in cooling water, and it has an antiscaling property.
是一种具有优良缓蚀作用和一定阻垢作用的高效水质稳定剂。
The reason of the IT technology outsourcing is polyhydric, enterprises pursue the goal differently, the outsourcing process and method to weigh the outsourcing to succeed are different too.
信息技术资源外包的原因是多元的，企业追求目标不同，外包过程、衡量外包成功的方法也不同。
The reason of the IT technology outsourcing is polyhydric, enterprises pursue the goal differently, the outsourcing process and method to weigh the outsourcing to succeed are different too.
信息技术资源外包的原因是多元的，企业追求目标不同，外包过程、衡量外包成功的方法也不同。
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