Preparation, formula and properties testing were introduced for HMS series high range water reducing agent.
介绍了HMS型系列高效减水剂的制备方法、配方、以及性能测试。
Naphthalene series of high range water reducing agents is a kind of an excellent water reducing admixture widely in use.
萘系高效减水剂是一种用途较广性能优越的高效减水剂。
Testing results for effects of high range water reducing agent on hydration temperature elevation, heat emission and strength of the concrete were presented.
介绍了高效减水剂对混凝土水化温度升高、放热率及强度影响的试验结果。
A low cost retarded high range water reducing agent GCL1 was prepared via oxidation and sulfonation modification using calcium lignosulfonate as primary raw material.
研究了木素磺酸钙的氧化磺化等复合改性工艺，合成了以木素磺酸钙为主要原料的低成本缓凝高效减水剂GCL1。
Influence of high range water reducing admixture (HRWRA) on performance and cost of concrete was discussed. An economical dosage for HRWRA was found and its model established.
讨论了减水剂对混凝土性能和成本的影响，指出减水剂存在一个经济掺量，并建立了经济掺量模型。
Chemical structure, mechanism, performance characteristics of JM-PCA (I) carboxylic high range water reducing agent and its application in high performance concrete are presented.
本文介绍JM PC A (I)聚羧酸系高效减水剂的化学结构、作用机理、性能特点及其高性能混凝土的应用。
An air entraining high range water reducing agent was synthesized by way of oxidization and grafted - sulfonation of black liquor of reed pulp (sodium lignosulfonate) and its performance was studied.
通过对芦苇造纸黑液氧化、接枝磺化合成工艺，研制出具有引气性能的高效减水剂，并对其性能进行了研究。
Through analysizing the factors of decline of durability of concrete, utilize the modified lignosulfonates high range water-reducing agent to raise the durability of concrete is scientific.
通过分析导致混凝土耐久性下降的因素，论述了利用改性木素磺酸盐高效减水剂在提高混凝土耐久性研究的应用。
Through analysizing the factors of decline of durability of concrete, utilize the modified lignosulfonates high range water-reducing agent to raise the durability of concrete is scientific.
通过分析导致混凝土耐久性下降的因素，论述了利用改性木素磺酸盐高效减水剂在提高混凝土耐久性研究的应用。
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