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An abnormal fluorescence intensity ratio between two green emissions of Er3+ caused by heating effect of 980 nm excitation周少帅,李心悦,曹中民,段昌奎,陈永虎,尹民Department of Physics,University of Science and Technology of China摘 要:An abnormal fluorescence intensity ratio(FIR) between two green emissions of Er3+ at room temperature, which is larger than a normal value......
An abnormal fluorescence intensity ratio between two green emissions of Er3+ caused by heating effect of 980 nm excitation周少帅,李心悦,曹中民,段昌奎,陈永虎,尹民Department of Physics,University of Science and Technology of China摘 要:An abnormal fluorescence intensity ratio(FIR) between two green emissions of Er3+ at room temperature, which is larger than a normal value......
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segregation roasting-low intensity magnetic separation Xiao Junhui1, 2, Zhang Yushu1, 3, Feng Qiming2, Chen Chao1, 3 (1. Key Laboratory of Vanadium-titanium Magnetite Comprehensive Utilization, Ministry... of Mineral Resources, Chengdu 610041, China) Abstracts: For the sedimentary pattern hematite and limonite-siderite ores in Qijiang of Chongqing, a segregation roasting-low intensity magnetic separation......
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Article ID: 1003-6326(2005)05-0978-07 Improvement of wear resistance of AZ31 and AZ91HP by high current pulsed electron beam treatment GAO Bo(高 波)1, 2, HAO Sheng-zhi(郝胜智)2, DONG Chuang(董... by a high current pulsed electron beam(HCPEB). The results show that the cross-sectional microhardness of treated samples increases not only in the heat affected zone(HAZ), but also beyond HAZ, reaching over......
J. Cent. South Univ. (2017) 24: 1082-1089 DOI: 10.1007/s11771-017-3511-z Comprehensive recovery of Fe, Zn, Ag and In from high iron-bearing zinc calcine PENG Bing(彭兵)1, 2, PENG Ning(彭宁)1, LIU Hui(刘恢... Abstract: A beneficiation-metallurgy combination process is developed to recover Zn, Fe and to enrich In, Ag from high iron-bearing zinc calcine based on our former researches. In gaseous reductive roasting......
and 16.556 eV, respectively, which correspond to the abrupt reduction of R(ω) in Fig.5 at different high pressures. The absorption coefficient is a parameter that tells the decay of light intensity... First principles study on electronic structure and optical properties of novel Na-hP4 high pressure phase SHI Yi-min(施毅敏)1, YE Shao-long(叶绍龙)2 1. Department of Basic Teaching, Hunan......
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Evaluation of mixed-mode stress intensity factors by extended finite element methodRU Zhong-liang(茹忠亮)1, ZHAO Hong-bo(赵洪波)1, YIN Shun-de(尹顺德)2(1. College of Civil Engineering, Henan Polytechnic... of the interaction integral methodology for evaluating the stress intensity factors (SIF) of the mixed-mode crack problem is presented. A discontinuous function and the near-tip asymptotic function are added......
