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。
The paper introduces the earth optimizing design and the application of long-effective chemical resistance -reducing agent.
对接地优化设计及长效化学降阻剂的作用进行了介绍。
So, compound microbial fertilizer could contribute to the goal of reducing the application rate of chemical fertilizer in rice production.
因此，在水稻生产过程中可通过施用复合微生物肥实现化肥减量目标。
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