defective description & q'ty » 缺陷说明科技数量 Performance water Reducer » 性能减水剂 We were very tired, but we were happy. » 我们都很累,但我们很高兴。
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Discussed initially the mechanism of polycarboxylic water-reducer improve performance of cracking-resistance of concrete.
初步探讨了聚羧酸减水剂提高混凝土抗劈裂性能机理。
Performance of sulfonated alkali lignin used as water reducer for concrete was experimented.
实验研究了磺化碱木素用作混凝土减水剂的性能。
Therefore, the thought and method of developing high performance water - based viscosity reducer are proposed. According to field test, the orientation of improving process conditions is also Po...
因此，提出了研制和开发高性能水基降粘剂的思路及方法，并结合油田矿场试验实际情况，指出了改善工艺条件的方向。
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