The effects of crude oil properties, the structure of PPD and the testing conditions on pour point depression were discussed.
讨论了原油的性质、降凝剂的结构及试验条件对降凝效果的影响。
Depression of the pour point of diesel oil and improve its fluidity in subzero.
降低各种柴油的冷凝点和冷滤点，提高其低温流动性。
The quality of diesel oil producing was advanced by isomery pour point depression technique applying in hydrogenation unit in Harbin Petroleum Company Branch of PetroChina.
介绍了中国石油哈尔滨石化公司柴油加氢精制-临氢降凝装置采用异构降凝技术提高产品柴油质量的生产情况。
In addition, the higher alcohol acrylate polymer was prepared, the pour point depression performance of the polymer was investigated.
同时制备了丙烯酸高碳醇酯的聚合物，并对聚合物的降凝性能进行了探讨。
Effects of raw material and product color of alkyl naphthalene on the pour point depression of lube oil were investigated.
考察烷基萘的原料(石蜡熔点)和产品色度对该剂降凝效果的影响。
Effects of raw material and product color of alkyl naphthalene on the pour point depression of lube oil were investigated.
考察烷基萘的原料(石蜡熔点)和产品色度对该剂降凝效果的影响。
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