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- THE BEHAVIOUR OF AF COMPLEX WATER REDUCER OF FLY ASH IN THE CEMENT-WATER SYSTEM 粉煤灰復合AF減水劑在水泥-水體系中的行為
- Plasticizer for concrete and water reducer in gypsum board. 混凝土減水劑和石膏板減水劑。
- Water reduces the potency of vodka. 水能降低伏特加的強度。
- Evaluation of High Resistivity Reservoir in complex Water System in FL Depression. FL凹陷復雜水系下高電阻率儲層油氣評價(jià)技術(shù)。
- Influence of this water reducer on the performance of cement paste and concrete were also discussed. 并研究了該減水劑對水泥凈漿性能和混凝土性能的影響。
- Complex adaptive system theory is a new means to analyze the complex water resources system. 摘要基于復雜適應系統理論，對水資源系統進(jìn)行分析。
- 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減水劑的性能及在混凝土中的應用。
- The results showed FDN and SR3 could be used as a nice water reducer for their good compatibility with Alite-barium calcium sulphoaluminate. 結果表明:減水劑FDN和SR3與阿利特-硫鋁酸鋇鈣水泥相容性良好,減水效果明顯;
- The testing method of some physical and chemical properties of water reducer, its mechanism on concrete and its development trends are expatiated. 以分子結構改性的觀(guān)點(diǎn)出發(fā)，提出了對芳烴系減水劑進(jìn)行分子設計的新思路，并介紹其內容。
- Here is a research on the effect arising from adding water reducer and setting retarder in gypsum on the performance of its products. 研究了在石膏中分別摻加減水劑和緩凝劑對石膏制品性能的影響。
- Moreover, it is proved that the performance of the solid water reducer can reach and excell that of the liquid by series of experiment. 而且經(jīng)一系列試驗證明，該固態(tài)減水劑的性能達到并優(yōu)于液態(tài)的。
- This paper discusses its action principle and analyses its technical characters when polycarboxlic series of high performance water reducer used in commercial concrete. 探討聚羧酸系高效減水劑的作用機理;分析其在粉煤灰混凝土中應用的技術(shù)特點(diǎn);為新型外加劑的推廣提供借鑒和指導.
- 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藝制備了水溶性草漿黑液木質(zhì)素磺酸鹽(SBT-LSN)混凝土減水劑。
- For investigating the effect of complex water quality on ozonation process in water treatment, an analysis method with simulated water quality in a laboratory scale reactor was presented. 摘要為考察實(shí)際水處理中復雜水質(zhì)條件對臭氧化的影響，提出了一種用實(shí)驗室模擬水質(zhì)的研究方法。
- 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. 研究結果表明，拉索內灌漿離析，使漿體中的水分、FDN高效減水劑等富集于拉索上段；在較大水灰比，一定濃度FDN高效減水劑及密閉條件下，水泥漿體會(huì )長(cháng)時(shí)間不凝結。
- 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. 經(jīng)與緩凝劑、減水劑比較得出,相變材料不僅可以降低水泥水化熱的峰值,還可以延緩峰值的出現。
- In order to obtain polycarboxylic acid type water reducer with high dispersion and fluid-holding property,the synthesis method of the reducer was studied. 為了獲得具有較好分散力和保持能力的聚羧酸型減水劑,研究了其制備方法。
- Using “double mixed” technology of decarburized fly ash and highly effect early strength water reducer,the renovation technologies of highway concrete pavement were studied. 研究了利用脫炭粉煤灰和高效早強減水劑的“雙摻”技術(shù),進(jìn)行了公路混凝土路面的修復技術(shù)研究;
- At the same time,the properties of water reducing were rudimentarily discussed. 對其減水等性能進(jìn)行了研究。
