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Stabilization Mechanism of Calcium Lignosulphonate Used in Expansion Sensitive Soil吴大江1,佘伟1,WEI Luansu1,ZUO Wenqiang1,HU Xiangyu1,MIAO Changwen11. Jiangsu Key Laboratory for Construction Materials, Southeast University摘 要:A series of tests were performed to investigate the macroscopic properties and the stabilization mechanism of calcium lignosulphonate......
:博士点基金资助课题! ( 96 0 5330 9); Reaction behavior between calcium oxide or calcium hydroxide and aluminate solution with heavy caustic soda Abstract: The reaction between calcium oxide or calcium hydroxide and aluminate solution with heavy caustic soda was studied. The reaction activity of CaO was better than that of Ca (OH) 2 under the same condition, which......
Effect of Na2O on alumina leaching property and phase transformation of MgO-containing calcium aluminate slags WANG Bo, SUN Hui-lan, GUO Dong, ZHANG Xue-zheng School of Materials Science and Technology, Hebei University of Science and Technology,Shijiazhuang 050018, China Received 13 December 2010; accepted 23 May 2011 Abstract: In order to remove or reduce the negative effect of MgO in calcium......
Preparation and Characterization of Porous Calcium Phosphate BioceramicsHonglian Dai, Xinyu Wang, Yinchao Han, Xin Jiang and Shipu Li Biomedical Materials and Engineering Center, Wuhan University..., and then the biodegradable porous calcium phosphate ceramics were successfully prepared by foaming and sintering at 8500C. The as-prepared ceramics possess a high porosity with partial three-dimension intercon- nected......
of diasporic bauxite. Key words: anatase; hydroxy calcium titanate; calcium titanate; high-pressure digestion; reaction mechanism ... react with calcium-bearing compounds to produce calcium-titanium compounds, such as CaO·TiO2 and CaO·2TiO2·H2O[6]. These compounds usually form substantial scale which is rather difficult to be cleaned up......
Inclusion variations and calcium treatment optimization in pipeline steel productionJian-hua Liu1),Hua-jie Wu1),Yan-ping Bao2),and Min Wang2) 1) Research Institute of Metallurgy Engineering...="ChDivSummary" name="ChDivSummary">SiCa line and SiCaBaFe alloy were injected into liquid pipeline steel at the end of LF refining as calcium treatment,and samples were taken from the ladles,mould......
Effect of Calcium Leaching on the Properties of Cement-based Composites林威廷1,2,鄭安22. Dept.of Civil Engineering,National Ilan University摘 要:Leaching is one...,thermogravimetric analysis and X-ray diffraction analysis were conducted.Test results demonstrated that the calcium leaching reduced compressive strengths of concrete specimens,and such effect......
Crystallization Kinetics of Calcium Aluminate Glasses Studied by Non-isothermal Techniques王衍行,ZU Chengkui,HE Kun,ZHAO Huifeng,HAN Bin,CHEN JiangInstitute of Quartz and Special Glasses,China Building... calorimeter(DSC) and X-ray diffraction(XRD) techniques.The results showed that DSC curves of calcium aluminate glass have a single glass transition temperature followed by one crystallization peak......
Preparation and Characterization of Three-dimensional Chrysanthemun Flower-like Calcium Carbonate陈先勇Institute of Chemical Engineering,Sichuan UniversityCollege of Chemical and Environmental Engnineering,Hubei University for Nationalities摘 要:Calcium carbonate with three-dimensional chrysanthemun flower-like structure was successfully prepared from......
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