| 1. | Synthesis of water - reducing agent of polycarboxylic acid concrete 梳型聚羧酸盐高效减水剂的合成及性能 |
| 2. | The application of polysodium acrylate in as ceramic water - reducing agent 陶瓷解凝剂聚丙烯酸纳的研究与应用 |
| 3. | The adsorption conformation of water - reducing agents for gypsum and its dispersion stability 石膏减水剂的吸附形态与分散稳定性研究 |
| 4. | Application of scour and abrasion resisting high grade concrete mixed with silica powder and retarded water - reducing agent in zipingpu hydropower station 缓凝高效减水剂配制高标号抗冲耐磨混凝土在紫坪铺电站中的应用 |
| 5. | By measuring the temperature of the cement paste with the water - reducing agent , we discover that the water - reducing agent can retard the cement hydration 通过对减水剂-水泥体系水化温度的测定,得出减水剂能够抑制水泥水化。 |
| 6. | Under the conditions of high efficiency water - reducing agent , the homogenization of starch mixed composite powder is better than that of blank cement and only mixed fly ash 在高效减水剂存在的情况下,掺复合粉的胶凝材料浆体匀质性优于空白水泥与单掺粉煤灰。 |
| 7. | The new type of high effective water - reducing agent we developed based on naphthalin series has characteristic of retardarce . it can reduce slump loss through its slow solution 在萘系减水剂基础上,合成具有缓释性能的新型高效减水剂,旨在缓释的角度上解决坍落度损失问题。 |
| 8. | Polycarboxylate series high range water - reducing agents , which can provide concrete high fluidity , good retarding performance and low slump loss , have become more popular recently 聚羧酸盐系高效减水剂既具有较好的初始流动性,又具有较好的保坍性,日益成为混凝土外加剂领域研究的热点。 |
| 9. | And the relationship between these factors and molecular weight has been concluded . the best process of maleic anhydride - co - acrylamine copolymer as the water - reducing agent has been designed 通过对在一定条件下制备的共聚物的分子量的测定,得到制备作为减水剂使用的马来酸酐?丙烯酰胺共聚物的制备工艺。 |
| 10. | Development of poly - acrylic series water - reducing agent ( wra ) was a modern frontier research project . the poly - acrylic wra was characteristic of lower additive , higher fluidiffication effect , and preventing concrete mix from slump - loss with time duration 聚丙烯酸系减水剂是当今混凝土高性能减水剂研究中较为前沿的研究课题,该类减水剂具有低掺量、高减水率、抑制坍落度经时损失等特点。 |