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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......
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......
Preparation of calcium carbonate particles coated with titanium dioxideHai Lin,Ying-bo Dong,and Le-yong Jiang School of Civil and Environmental Engineering,University of Science and Technology Beijing,Beijing 100083,China摘 要:The preparation of a new mineral composite material,calcium carbonate particles coated with titanium dioxide,was studied.The......
Preparation and characterization of calcium aluminate by chemical synthesisFeng Chen1), Yanruo Hong1), Jialin Sun1), and Jinglong Bu1,2) 1) Materials Science and Engineering School, University... and AlCl3 solutions were used to synthesize calcium aluminate hydrate precipitates at room temperature; high purity calcium aluminate powders with stable phases were made by calcination of the precursors......
Preparation of Phenolized Calcium Lignosulfonate and Characterization of the Reaction by IR Spectroscopy赵斌元摘 要:A kind of calcium lignosidfonate was phenolized by phenol with sulfuric acid as catalyst. The calcium lignosidfonate and its phenolized derivatives were characterized by infrared spectroscopy. It is proved that the extent and type......
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Effect of Neodymium on Physiological Activities in Oilseed Rape during Calcium Starvation ZHOU Xiao-bo1,WEI You-zhang1 (1.Department of Soil Science & Agrochemistry, Zhejiang University, Hangzhou... is that the effect is a consequence of substitution of Nd function for some Ca function through interacting with cellular membrane. Key words:rare earths; neodymium; calcium; oilseed rape; peroxidation; [全文内容正在添加中] ......
Thermodynamic Stability of Sulfate Ions on Calcium Aluminosilicate Hydrate Microstructure胡晨光1,2,DING Qingjun3,FENG Xiaoxin11. College of Materials Science and Engineering,North China University... 要:The thermodynamic stability of sulfate ions on synthesized calcium aluminosilicate hydrate(C-A-S-H) microstructure with different Ca/Si ratios and Al/Si......
Synthesis and Characterization of a Novel Silver-Substituted Calcium Phosphate CementTao Yu1,2,Chengying Gao1,Jiandong Ye1,Ming Zhang21. Key Laboratory of Specially Functional Materials of Ministry...-organisms.In this work,the amorphous calcium phosphate with silver substitution(Ag-ACP) was synthesized by chemical precipitation method,and the valence of silver in ACP was adjusted by temperature.The......
