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This paper discussed the action mechanism of the oil well cementing fluid loss additives, especially the action mechanism of the polymer fluid loss additives in detail.
本文探讨了油井水泥降失水剂的作用机理，尤其对聚合物降失水剂作用机理作了比较详细的探讨。
The temperature resistance of 10 kinds of domestic and overseas fluid loss additives is systematically researched by use of DTA and inherent viscosity of additives in aqueous solution after aging.
采用差热分析法和水溶液密封老化后的特性粘度法，全面系统地研究了国内外十种降滤失剂的耐温性。
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