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1·Pour point depressant plays an important role on oil use, storage, transportation and production.

降凝剂对油品的使用、储运和生产有着重要的作用。

2·Synthesis and purification of long chain alkyl acrylate as intermediate of pour point depressant were introduced.

介绍了降凝剂中间体丙烯酸高碳醇酯的合成和产品分离提纯方法。

3·The research on the low temperature pumpability of oil shows that the pour point depressant has the remarkable improvement;

对油品低温泵送性能的研究表明，降凝剂具有明显改善作用；

4·The results indicates that the blended oil under the action of pour point depressant has better stability both static and dynamic.

试验结果表明，经降凝剂处理后的混合油具有较好的动态和静态稳定性。

5·At the delivery of crude oil process, the main research of the pour point depressant for crude oil the role of low-temperature fluidity.

在原油的输送过程中，主要研究了降凝剂对原油低温流动性的作用。

6·Add different for different crude oil pour point depressant, dispersant or viscosity reducer can improve low-temperature fluidity of crude oil.

针对不同原油加入不同降凝剂、分散剂或降粘剂可以改善原油的低温流动性。

7·The influence of pour point depressant on the shape and electric properties of wax crystal was studied by micro-electrophoresis meter and polarizing microscope.

采用偏光显微镜和微电泳仪研究了聚丙烯酸酯降凝剂对蜡晶的形态和电性质的影响。

8·The experimental procedures are: adding pour point depressant T9866 in a diesel sample and measuring the solidifying point and cold filter plugging point of the oil sample.

实验方法为：在柴油油样中加入T9866降凝剂，然后测定油样凝点和冷滤点。

9·A reformation theory of pour point depressant is verified and the reformation law of pour point depressant is obtained by means of research on reformation of pour point depressant.

通过对降凝剂复配的研究，提出并验证了降凝剂复配理论，得到了降凝剂复配规律。

10·Using Changqing and Qinghai waxy crude oils as research objects, the depressive effects of ethylene-vinyl acetate (EVA) copolymer pour point depressant on the waxy crude oils were studied.

以长庆、青海含蜡原油为研究对象，考察乙烯-醋酸乙烯酯共聚物(简称EVA)降凝剂对含蜡原油的降凝效果。