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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......
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......
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......
): 72-75. ZHANG Bin, CHEN Wei-liang, CHEN Li-jie, LI Zhao-gang. Study on purification and cobalt removal from zinc sulfate solution[J]. Nonferrous Metals Design, 2018, 45(2): 72-75. [3] 乔晋玺, 龙 双, 马雅琳... with zinc powder[J]. The Chinese Journal of Nonferrous Metals, 2008, 18(S1): s117-s120. [6] LIANA M, MAURIN G, ONICIU L, GAGA D. Influence of metallic impurities on zinc electro-winning from sulfate......
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Preparation and Characterization of Ferromagnetic Calcium Alginate Complex Gel萧聪明College of Material Science and Engineering,Huaqiao University摘 要:Fe3O4 suspension, derived from chemical coprecipitation and subsequent ultrasonic treatment, was embedded into calcium alginate to form complex gel. Both gel beads and injectable gel floc were obtained......
Sulfate Attack Resistance of Air-entrained Silica Fume Concrete under Dry-Wet Cycle Condition杨建森1,2,WANG Peiming1,李好新1,YANG Xu21. Key Laboratory of Advanced Civil Engineering Materials Ministry...-cement ratio,air-entrained,silica fume content and sand ratio on the sulfate attack resistance of air-entrained silica fume concrete were studied by orthogonal experiments in order to explore its......
Sulfate Ions Immobilization of Calcined Layered Double Hydroxides in Hardened Cement Paste and Concrete马军涛1,2,3,WANG Daguang2,段平4,3,SHI Yanke1,21. MWR Center for Levee Safety and Disease Prevention... Science and Chemistry, China University of Geosciences摘 要:The sulfate ions immobilization behavior of calcined layered double hydroxides(CLDHs) in the hardened......
高炉块状带烧结矿破损机制研究杨改彦1,方觉1,时国松1,高艳甲1,辛红艳1,董建君2(1.河北省唐山市河北联合大学冶金与能源学院河北省现代冶金技术重点实验室2.唐山钢铁股份有限公司,河北唐山 063000)摘 要:主要研究了烧结矿在高炉块状带的破损机制.对于高碱度烧结矿,铁酸钙和赤铁矿的还原消失对烧结矿强度的影响是正硅酸钙相变的两倍以上;对于自熔性烧结矿和酸性烧结矿,由于矿物组成中极少甚至不含有正硅酸钙和铁酸钙,所以其强度只受赤铁矿还原消失的影响.关键词:烧结矿; 强度; 正硅酸钙; 铁酸钙......
Trans. Nonferrous Met. Soc. China 25(2015) 1334-1340 Secondary reaction mechanism of leaching process of calcium aluminate slag Hui-lan SUN1,2, Bo WANG1,2, Jian-xin ZHANG1, Shu-feng ZONG1, Jia-jia... University of Science and Technology, Shijiazhuang 050018, China Received 12 March 2014; accepted 26 January 2015 Abstract: SiO2 in calcium aluminate slag exists in the form of γ-2CaO·SiO2 which is more......