Additives, high temperature steam and CO2 are effective methods to reduce the viscosity. The viscosity property and colloidal stability variation of samples with or without additive were studied.

添加剂、高温蒸汽及二氧化碳处理是稠油降黏的有效手段，研究了添加剂等处理前后特超稠油黏度、黏温性质和胶体稳定性的变化规律。

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Some tests were made on colloidal borates of different constitution with respect to the antiwear property. It was found that hydrated sodium metaborate possessed the best antiwear property.

通过不同结构的胶体硼酸盐抗磨性能试验发现，水合偏硼酸钠的抗磨性最好。

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The impact of polymer concentration on particle size, size distribution, colloidal stability, and magnetic property has been extensively studied.

聚合物对颗粒的大小、分布、胶质稳定性和磁性等方面的影响已经被广泛地研究。

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