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;焙烧前后沉淀物的XRD谱 Fig. 10 XRD patterns of sediment before(a) and after(b) calcination 图11 沉淀物的SEM像和EDS谱 Fig. 11 SEM image(a) and EDS spectrum(b) of gallium-rich product 3 结论 1) 采用... Jing. Pretreatment of phosphorus industry flue dust for gallium extraction[J]. The Chinese Journal of Nonferrous Metals, 2004, 14(6): 1025-1030. [2] 刘付朋, 刘志宏, 李玉虎, 刘智勇,李启厚. 锌粉置换镓锗渣高压酸浸的浸出机理[J]. 中国有色金属学报......
;Analysis result of gallium concentrate (mass fraction, %) 图1 镓精矿的XRD谱 Fig. 1 XRD pattern of gallium concentrate 1.2 实验主要设备 实验设备主要有电感耦合等离子体光谱分析仪,X射线衍射光谱仪,烘箱,恒温水浴搅拌器,电动搅拌机,蠕动泵,离子交换柱,直流电源等...,电极间距6 cm,接入直流电源进行电积. 图2 镓精矿提取镓的工艺流程图 Fig. 2 Flowsheet of extraction of gallium from gallium concentrate 2 结果与讨论 2.1 镓精矿的浸出 2.1.1 初始碱度对浸出效果的影响 取200 g镓精矿置于烧杯中,在液固比5,30 ℃的条......
Behavior of 2-ethylhexanoic Acid in Organic Phase of Gallium Extraction吴秋芳,王承明摘 要:<正> The rate of batch extraction of gallium from alkaline aqueous... is insignificant.The extraction of HCl duringthe stripping of gallium is mainly dependent on the concentration of aqueous hydrochloric acid and the con-tent of N601.Under the given conditions......
Single step low temperature synthesis of gadolinium gallium garnet nanopowdersRekha Mann,Kiranmala Laishram,Neelam Malhan摘 要:Solution combustion synthesis of single-phase gadolinium gallium oxide(Gd3Ga5O12,GGG)nanopowders,by a fuel mixture approach using urea and glycine at a low temperature of 500oC,was being reported for the first time.Based......
Single step low temperature synthesis of gadolinium gallium garnet nanopowdersRekha Mann,Kiranmala Laishram,Neelam Malhan摘 要:Solution combustion synthesis of single-phase gadolinium gallium oxide(Gd3Ga5O12,GGG)nanopowders,by a fuel mixture approach using urea and glycine at a low temperature of 500oC,was being reported for the first time.Based......
Effect of gallium doping on the magnetocaloric effect of LaFe11.2Co0.7Si1.1DENG Jianqiu a, CHEN Xiang b, and ZHUANG Yinghong b a Guangxi Key Laboratory for the Advance Materials and New Preparation... diffraction and magnetization measurements. The lattice parameter increases slightly and the Curie temperature in-creases somewhat with increasing gallium content. However, a small amount of Ga......
Electrical and mechanical properties of vapour grown gallium monotelluride crystalsP.M.Reshmi,A.G.Kunjomana,K.A.ChandrasekharanCrystal Research Centre,Department of Physics,Christ University摘 要:The physical vapour deposition(PVD)of gallium monotelluride(GaTe)in diferent crystalline habits was established in the growth ampoule,strongly depending......
Optical and acoustic phonon modes confined in gallium phosphide nanoparticlesZHANG Zhaochun and ZHANG Neng School of Material Science and Engineering,Shanghai University,Shanghai 200072,China摘 要:The main aim of this paper is to discuss the confinement effects on the optical and acoustic phonon vibrational modes in gallium phosphide(GaP) nanoparticles......
optical quality and high optical transmittance in c-direction. Key words:czochralski method; gallium compounds; atomic force microscopy; [全文内容正在添加中] ......
Epitaxy and Growth Mechanism of Gallium Antimonide by MOCVD韦光宇,彭瑞伍,任尧成,丁永庆摘 要:<正> GaSb epilayers were grown on GaAs and/or GaSb substrates by MOCVD respectively.The influenceof growth conditions on the properties of the epilayers was studied in order to improve the growth pro-cesses.The growth mechanism of MOCVD GaSb was investigated.An equation......