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- high efficient naphthalene water reducing agent 萘系高效减水剂
- naphthalene water reducer 茶系减水剂
- Plasticizer for concrete and water reducer in gypsum board. 混凝土减水剂和石膏板减水剂。
- 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。
- Water reduces the potency of vodka. 水能降低伏特加的强度。
- Influence of this water reducer on the performance of cement paste and concrete were also discussed. 并研究了该减水剂对水泥净浆性能和混凝土性能的影响。
- Study was made of the performance of polycarboxylate water reducer an d its application to concrete. 研究了聚羧酸高性能减水剂的性能及在混凝土中的应用。
- The results showed FDN and SR3 could be used as a nice water reducer for their good compatibility with Alite-barium calcium sulphoaluminate. 结果表明:减水剂FDN和SR3与阿利特-硫铝酸钡钙水泥相容性良好,减水效果明显;
- The testing method of some physical and chemical properties of water reducer, its mechanism on concrete and its development trends are expatiated. 以分子结构改性的观点出发，提出了对芳烃系减水剂进行分子设计的新思路，并介绍其内容。
- Here is a research on the effect arising from adding water reducer and setting retarder in gypsum on the performance of its products. 研究了在石膏中分别掺加减水剂和缓凝剂对石膏制品性能的影响。
- Moreover, it is proved that the performance of the solid water reducer can reach and excell that of the liquid by series of experiment. 而且经一系列试验证明，该固态减水剂的性能达到并优于液态的。
- This paper discusses its action principle and analyses its technical characters when polycarboxlic series of high performance water reducer used in commercial concrete. 探讨聚羧酸系高效减水剂的作用机理;分析其在粉煤灰混凝土中应用的技术特点;为新型外加剂的推广提供借鉴和指导.
- Water soluble straw pulping black liquor s lignosulfonate(SBT-LSN) water reducer for concrete was prepared through catalytic oxidation and sulfonation reaction. 采用催化氧化再磺化工艺制备了水溶性草浆黑液木质素磺酸盐(SBT-LSN)混凝土减水剂。
- Under the conditions of higher water-cement ratio, a certain consistency FDN high-range water reducer and hermetic surrounding, the cement paste did not set in a long time. 研究结果表明，拉索内灌浆离析，使浆体中的水分、FDN高效减水剂等富集于拉索上段；在较大水灰比，一定浓度FDN高效减水剂及密闭条件下，水泥浆体会长时间不凝结。
- Compared with the retarder and water reducer,it has been proved that PCM can not only lower the peak value of the cement's hydration heat,but also delay its occurrence. 经与缓凝剂、减水剂比较得出,相变材料不仅可以降低水泥水化热的峰值,还可以延缓峰值的出现。
- In order to obtain polycarboxylic acid type water reducer with high dispersion and fluid-holding property,the synthesis method of the reducer was studied. 为了获得具有较好分散力和保持能力的聚羧酸型减水剂,研究了其制备方法。
- Using “double mixed” technology of decarburized fly ash and highly effect early strength water reducer,the renovation technologies of highway concrete pavement were studied. 研究了利用脱炭粉煤灰和高效早强减水剂的“双掺”技术,进行了公路混凝土路面的修复技术研究;
- naphthalene series water reducers 萘系减水剂
- At the same time,the properties of water reducing were rudimentarily discussed. 对其减水等性能进行了研究。
