共搜索到14530条信息，每页显示10条信息，共1453页。用时：0小时0分0秒431毫秒
">Iron(Ⅲ)-doped nanostructure TiO2-coated SiO2 (TiO2/SiO2) particles were prepared using the layer-by-layer as-sembly technique and their photocatalytic property was studied. TiO2 colloids were...Synthesis of iron(Ⅲ)-doped nanostructure TiO2/SiO2 and their photocatalytic activityCHEN Rufen1, 2), ZHANG Lei1), SONG Xiuqin1), WEI Yu1, 2), and HOU Denglu2) 1) College of Chemistry and Material......
the preparation of anatase TiO2. Calcination at temperatures above 800°C converts the anatase form of TiO2 to the stable rutile phase. The removal of iron from ilmenite during the commercial production...A simple and novel synthetic route to prepare anatase TiO2 nanopowders from natural ilmenite via the H3PO4/NH3 processLalinda Palliyaguru,Ushan S.Kulathunga,Lakruwani I.Jayarathna,Champa D.Jayaweera......
J. Cent. South Univ. (2012) 19: 791-796 DOI: 10.1007/s11771-012-1073-7 Using HF rather than NH4F as doping source for spray-deposited SnO2:F thin films S. J. Ikhmayies1, R. N. Ahmad-Bitar2 1... by using SnCl2·2H2O as a precursor and NH4F and HF as doping compounds. A comparison between the properties of the films obtained by using the two doping compounds was performed by using I-V......
J. Cent. South Univ. Technol. (2010) 17: 750-754 DOI: 10.1007/s11771-010-0551-z Two-step flotation recovery of iron concentrate from Donganshan carbonaceous iron ore YIN Wan-zhong(印万忠)1, HAN Yue...: The flotation of pure and natural carbonaceous iron ore samples in the oleate flotation system was investigated. Starch can depress hematite effectively in a wide pH range, but cannot depress......
Effect of Nd2O3 doping on the electrical properties of Ba0.96Ca0.04Ti0.90Sn0.10O3 ceramicsZhihui Chen1,Zhiwei Li1,Minggang Ma2,Tianxiang Zhao1,Jianhua Qiu1,Jianning Ding11. School of Materials...,Changzhou University2. Benxi Iron and Steel Company Limited摘 要:The Ba0.96Ca0.04Ti0.90Sn0.10O3-xNd2 O3(x = 0-0.08%) ceramics were prepared via traditional......
Effect of Nd2O3 doping on the electrical properties of Ba0.96Ca0.04Ti0.90Sn0.10O3 ceramicsZhihui Chen1,Zhiwei Li1,Minggang Ma2,Tianxiang Zhao1,Jianhua Qiu1,Jianning Ding11. School of Materials...,Changzhou University2. Benxi Iron and Steel Company Limited摘 要:The Ba0.96Ca0.04Ti0.90Sn0.10O3-xNd2 O3(x = 0-0.08%) ceramics were prepared via traditional......
%-4% of TiO2 mainly in the form of anatase, rutile or brookite in almost all kinds of bauxite[1-3]. In the digestion process at relatively low temperature for gibbsitic bauxite, chemical reactions... in diasporic bauxite in China, was chosen as the starting material in this research work. 2 Experimental 2.1 Materials TiO2 powder was a chemical reagent in the phase of anatase; NaOH and Na2CO3 were......
Immobilization of Acidithiobacillus ferrooxidans and ferric iron production ZHOU Hong-bo(周洪波)1, LIU Xi(刘 晰)1, QIU Guan-zhou(邱冠周)1, LIU Jian-she(柳建设)1, CHEN Xin-hua(陈新华)2 1. Key Laboratory... immobilization of Acidithiobacillus ferrooxidans in packed bed reactors. The production of ferric iron was then investigated in these immobilized reactors in batch and continuous operation modes. The results......
......
Effect of Microstructure on Wear Behavior of Iron Aluminide Based Coatings XU Bin-shi1,ZHANG Wei1,LIU Yan1,ZHU Zi-xin1,Ma Shi-ning1 (1.National Key Laboratory for Remanufacturing, The Academy... of the amounts of iron aluminides (including Fe3Al and FeAl ) and dispersion strengthening of Fe2W2C and Fe6W6C will lead to a rise of microhardness of the coatings. Increasing the microhardness......
