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Contrasting REE Signatures on Manganese Ores of Iron Ore Group in North Orissa, India B. K. Mohapatra1,P. P. Singh2,P. P. Mishra1 (1.Institute of Minerals and Materials Technology,Bhubaneswar... viz.stratiform, stratabound-replacement, and detrital of Precambrian Iron Ore Group from north Orissa, India was reported.These categories of Mn-ore differed in their major and trace chemistry and exhibited......
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氨基膦酸树脂吸附铈的研究 舒增年1,熊春华1,王惠君2,王永江1 (1.丽水师范专科学校,;2.浙江海洋学院,) 摘要:研究了铈(Ⅲ)在氨基磷酸树脂上的吸附行为.试验结果在pH5.0时,静态饱和吸附容量为197mg/g干树脂；用2mol.L-1HCl洗脱,洗脱率为98.1%；表观速率常数k298=2.71×10-5s-1；等温吸附服从Freundlich经验式；吸附反应中的△Ho=50.0kJ.mol-1,△So=286J.mol-1.K-1,△Go=-35.1kJ.mol-1.树脂功能基与Ce3+的配比为2∶1；并用红外光谱探讨了树脂与铈的成键. 关键词:氨基膦酸树脂; 铈; 吸附;......
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Phase Transformation and Carbide Precipitation of Functional Gradient Semi-solid 9Cr18 SteelYong-Jin Wang1,2,Ren-Bo Song1,Ren-Feng Song31. School of Materials Science and Engineering, University... transformation and carbide evolution in 9Cr18 steel were investigated during semi-solid forming and subsequent heat treatment. The functional gradient thixoforging 9Cr18 component was divided into inner......
Ultraviolet-shielding and conductive double functional films coated on glass substrates by sol-gel process董玉红1,2,赵青南2,吴硕21. Jiang Su Xiuqiang Glasswork CO.,Ltd.Suyu District,Suqian City,Jiangsu...-shielding and conductive double functional films were composed of CeO2-TiO2 film and SnO2:Sb film deposited on glass substrates using sol-gel process.Ce(NO3)3·6H2O and Ti(C4H9O4),SnCl4 and SbCl3 were used......
Ultraviolet-shielding and conductive double functional films coated on glass substrates by sol-gel process董玉红1,2,赵青南2,吴硕21. Jiang Su Xiuqiang Glasswork CO.,Ltd.Suyu District,Suqian City,Jiangsu...-shielding and conductive double functional films were composed of CeO2-TiO2 film and SnO2:Sb film deposited on glass substrates using sol-gel process.Ce(NO3)3·6H2O and Ti(C4H9O4),SnCl4 and SbCl3 were used......
EFFECTS OF DIFFERENT FUNCTIONAL GROUP-CONTAINING ORGANICS ON MORPHOLOGY-CONTROLLED SYNTHESIS OF SILVER NANOPARTICLES AT ROOM TEMPERATURE X.N. Cheng1,M. Ren1,X.F. Zhang1,H.B. Yin1,Q.F. Zhou2,A.L... 213001,China) Abstract:Silver nanoparticles with average particles sizes ranging from 2 to 131nm were manipulatively synthesized starting from silver nitrate using different functional group-containing organic......
Preparation and Properties of a Group of Nanoporous Materials with Photo-semiconducting Host Structures Xiqu Wang1 (1.Department of Chemistry and Materials Research Science and Engineering Center,University of Houston, Houston, Texas 77204-5641, USA) 摘要: 1. IntroductionPreparation of nanostructured materials is a fundamental field for advances in nano-technology.Various chemical routes have......
Supporting of Nickel(Ⅱ) Acenaphthenediimine with Free Amino Group for Ethylene Polymerization胡扬剑Department of Chemistry and Chemical Engineering, Huaihua College摘 要:Bis (4-(4-amino-3, 5-diethylbenzyl)-2, 6-diethylphenylimino) acenaphthene] di- chloronickel (NiLCl2) was prepared and supported on SiO2 modified by methyl trichlorsilane(S-1......
