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- The results showed that the water reducing ratio of sulfonated starch is increased with the degree of substitution(DS). 以氯磺酸为磺化试剂,半干法制备了磺化淀粉,并对其用作水泥减水剂的性能进行了系统的研究。
- Conclusion can be drawn that flocculated cement structure are destroyed by admixing superplasticizer,the bigger the fractal dimension,the better the water reducing ratio. 同时结合分形理论,计算出各掺量下的分形维数。得出结论:掺加超塑化剂后水泥絮凝结构被有效破坏,分形维数越大,减水效果越好。
- water reducing ratio of cement mortar 砂浆减水率
- Keywords polyxacrylic series water-reducing agent（WRA）;water reducing ratio;slump（lost）; 关键词聚羧酸系减水剂;减水率;坍落度损失;
- water reducing ratio 减水率
- Water reduces the potency of vodka. 水能降低伏特加的强度。
- At the same time,the properties of water reducing were rudimentarily discussed. 对其减水等性能进行了研究。
- Note: The double step reducing ratio consists of the both mono-step reducing ratio.The unlisted on the above table also can be produced. 注:双级减速比由两单级速比组合而成,上表中未列出的亦可生产。
- 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。
- Plasticizer for concrete and water reducer in gypsum board. 混凝土减水剂和石膏板减水剂。
- The lignosulfonate water reducing agent was prepared via oxidation and sulfonation of wheat straw alkali lignin. 以麦草碱木素为原料,采用氧化磺化法,制备了磺化碱木素减水剂。
- The results indicated that UFA has the effects of dense packing,water reducing and strength increasing. 结果表明,UFA有减水增强和密实填充效果;
- 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。
- The frequ ency of structure is decreased along with reducing ratio of diameter to height,a nd dynamic enlargement factor is increased,furthermore,the influence of mode of vibration is obvious. 径高比对振型影响较大，且随着径高比的减小，结构自振频率有所降低，动力放大系数有所增加。
- The paper introduced mechanism,performance,use requirenent and points forattention of ENC multifunctional water reducing agent for road conret. 本文介绍了ENC多功能路用混凝土减水剂的机理、性能、使用要求及注意事项。
- 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。
- The effects of fly ash,water retention agent,re-dispersible latex powder and water reducing agent on performance of mortar were . 研究了粉煤灰、保水剂、可再分散乳胶粉、减水剂等对砂浆性能的影响,并探讨各种外加剂对砂浆的改性机理。
- CIR coumdrone indene resins of high range water reducing agents features in low cost and good properties and has a broad perspectives in application. CIR古马隆树脂系高效减水剂 ,成本低 ,性能好 ,具有广泛的应用前景。
- CONCLUSIONS Traditional Chinese medicine tuichizhiyang decoction could be available and it could reduce ratio of recurrence in treatment of vernal conjunctivitis. 结论中药退赤止痒液治疗春季结膜炎具有提高治疗效果和减少复发的作用。
- Lignosulfonate, a common water reducing agent has not good water reducing perfomance because of its wide molecular weight distribution. 木质素磺酸盐是一种常见的普通减水剂,其分子量分布较宽,从而影响减水剂性能。
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- 农业及相关产业增加值 - the added value of agriculture and related industries
