共搜索到146条信息,每页显示10条信息,共15页。用时:0小时0分0秒437毫秒
Germanium Production in ChinaShen Huasheng;General Research Institute for Non-ferrous Metals, Beijing 100088摘 要:<正>1 .Introduetion Germanium differs... germanium.P一tyPe germanium erystal ean be obtained by doPing high Puritygermanium with 3 valenee element as indium,gallium or boron.Similarlyn一tyPe germanium erys-tal can be doPed with 5 valenee element......
J. Cent. South Univ. (2016) 23: 2214-2222 DOI: 10.1007/s11771-016-3279-6 Germanium separation and purification by leaching and precipitation Saeid Bayat, Sajjad Aghazadeh, Mohammad Noaparast, Mahdi...: In this research work, extraction and purification of germanium from zinc leach residues (ZLR) were investigated. The results of ICP, XRF, and atomic adsorption spectroscopy (AAS) tests show that contents......
......
Leaching process of germanium oxide dustLIANG Jiea, b and WANG Huaa a Department of Materials and Metallurgical Engineering, Kunming University of Science and Technology, Kunming 650093, China b Chemistry Department, Bijie University, Bijie 551700, China摘 要:A thermodynamic analysis on the acid leaching process of germanium oxide dust and discussion......
Recovering germanium from coal ash by chlorination with ammonium chlorideZHU Guocai, SHI Wenzhong, and TIAN Jun Institute of Nuclear Energy Technology, Tsinghua University, Beijing 102201, China..."><正>A new process of enriching germanium from coal ash was developed. The process involves in mixing the coalash and ammonium chloride and then roasting the mixture to produce germanium chloride......
痕量锗的分析进展李丹1,李彪1(1.湖北省武汉市湖北省地质实验研究所)摘 要:锗是一种贵重的稀散金属元素,广泛应用于当代高新科技行业.本文综述了近年来分析样品中痕量锗的试样前处理方法及仪器分析进展.介绍了电热板溶解,微波消解和密闭罐消解前处理样品对测定痕量锗的影响.总结了近年来痕量锗的仪器分析方法包括电感耦合等离子体发射光谱法,原子吸收光谱法,原子荧光光谱法,电感耦合等离子体质谱法,光度法,电化学法和离子色谱法等.指出了不同方法的特点及使用范围,并展望了痕量锗的前处理及其分析方法的发展方向.关键词......
Recovery of germanium from lignite by microorganismZHU Yun, GUO Yuxia, and GUO ShuxianDepartment of Metallurgy, Kunming University of Science and Technology, Kunming 65009, China摘 要:<正>The recovery of Ge from lignite by microorganism includes two stages: (1) the breaking-down of Ge complex of humus in lignite into simple compounds assisted......
; 文献标志码:A 文章编号:1672-7207(2013)02-0743-06 Hydraulic condensing rules for cement and paste mixed with different proportions of germanium waste WANG.... Yunnan Chihong Zn and Ge Company Ltd, Qujing 655011, China) Abstract: The hydraulic condensing rules after the cement and paste mixed with germanium waste were studied. Firstly different proportions......
Germanium isotope geochemistry: analysis, fractionation mechanisms and geochemical tracing戚华文1,Olivier Rouxel2,Yu-Miao Meng1,Rui-Zhong Hu11. State Key Laboratory of Ore Deposit Geochemistry...;and(2)theoretical prediction of germanium isotope fractionation.关键词:......
ICP-AES Determination of Germanium in GdSiGe Series Alloys as Magnetic Refrigeration Material Liu Pengyu1,Li Na1,Shao Rongzhen1,Wu Xing1,Liu Bing1 (1.National Center of Analysis and Testing... series alloy samples were analyzed, and the RSDs of this method were in the range of 0.85%~2.66%. Key words:GdSiGe series alloys; Germanium; analysis; ICP-AES; rare earths; [全文内容正在添加中] ......