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Effect of Sulfate Ions on YAG Powders Synthesized by Microwave Homogeneous Precipitation王介强,徐红燕,王勇,岳云龙摘 要:<正>Using A1(NO3)3·9H2O, NH4Al(SO4)2·12H2O... analyzed by IR, XRD and TEM. The size distribution of YAG powders was characterized using laser diffraction method. The results show that sulfate ions influence the dispersion, composition and morphology......
Luminescent Properties of Ce3+ Ions in Zinc Phosphate Glass Prepared in Air赖昌Institution of Modern Physics, School of Mathematics and Physics, Chongqing University of Posts and Telecommunication摘 要... are homogeneous, transparent and colorless. Emission and excitation spectra are measured for the samples and the results show that the glasses contain Ce3+ trivalent cerium ions. The parameters of glass......
A blue luminescence glass-ceramics of Eu2+ ions activated Li2O-BaO-B2O3黄彦林,Eunjin Cho,Kiwan Jang,Ho Sueb Lee,王锡钢,秦大可,姜传芳摘 要:New blue luminescence glass..., 3, 4) of Eu3+ ions. The glass-ceramic samples gave a strong and broad emission band peaking at about 382 nm ascribed to the 5d-4f transition of Eu2+ ions. The op- tical properties such as excitation......
Synthesis of luminescent KY3F10 nanopowder multi-doped with lanthanide ions by a co-precipitation methodSzymon Goderski,Marcin Runowski,Stefan LisDepartment of Rare Earths, Faculty of Chemistry, Adam Mickiewicz University摘 要:A series of KY3F10 nanophosphors doped with Gd3+, Ce3+ and Eu3+ ions were obtained with the use of a co-precipitation method......
Electrochemical response of Nd3+ ions containing lithium borate glassesD.D.Ramteke1,H.C.Swart1,R.S.Gedam21. Department of Physics, University of the Free State2. Department of Applied Physics... in the mobility of mobile Li+ ions. This decrease was due to polymerization of glass network caused by the Nd3+ ions. Modulus formalism confirmed that the Li+ ions overcame the same barrier no matter whether......
The Adsorbing Effect of Calcined Layered Double Hydroxide for Chloride Ions in Simulated Concrete Pore Solutions唐聿明,ZHAO Xuhui,NIU Le,左禹School of Materials Science and Engineering, Beijing University... hydroxide(CLDH) for chloride ions in simulated concrete pore(SCP) solutions was investigated with the potentiodynamic polarization method, impedance measurement, ion selective electrode analysis......
Synthesis of luminescent KY3F10 nanopowder multi-doped with lanthanide ions by a co-precipitation methodSzymon Goderski,Marcin Runowski,Stefan LisDepartment of Rare Earths, Faculty of Chemistry, Adam Mickiewicz University摘 要:A series of KY3F10 nanophosphors doped with Gd3+, Ce3+ and Eu3+ ions were obtained with the use of a co-precipitation method......
Electrochemical response of Nd3+ ions containing lithium borate glassesD.D.Ramteke1,H.C.Swart1,R.S.Gedam21. Department of Physics, University of the Free State2. Department of Applied Physics... in the mobility of mobile Li+ ions. This decrease was due to polymerization of glass network caused by the Nd3+ ions. Modulus formalism confirmed that the Li+ ions overcame the same barrier no matter whether......
, the heteropolymolybdotungstate ions with higher concentration are formed, which is extremely unfavorable to the separation of tungsten and molybdenum. Key words: W-Mo-H2O system; separation of tungsten and molybdenum; thermodynamic analysis; heteropolymolybdotungstate; polymeric ions 钨,钼是化工,冶金,材料等领域的重要元素,但是由于镧系收缩效应的影响,钨,钼的原子半径,化学价态以及在水溶液中的化学性质都极其相近,使得二者的分离成为世界性的难题[1].近年来,随着优质黑钨资源的日益枯竭,人们不得不转而处理高钙......
Adsorption of Au(Ⅲ) ions on xanthated crosslinked chitosan resin in hydrochloric acid mediumMiao Zeng,Ting-An Zhang,Guo-Zhi Lv,Zhi-He Dou,Yan Liu,Ying ZhangKey Laboratory of Ecological Utilization...) resin prepared under microwave irradiation were used for adsorbing Au(Ⅲ) ions in hydrochloric acid medium.The influence of pH and temperature on the adsorption capacity of XCCS was investigated.The......