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作者: Prasetyo, I.;Rochmadi;Wahyono, E.;Ariyanto, T. (1 Tianjin University, Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, Tianjin, 300072, China, 12605; 2 Hainan Technology and Business College, Haikou, 570203, China; 3 Peking University, State Key Laboratory for Artificial Microstrcture and Mesoscopic Physics, Beijing, 100871, China, 12465)

出处: Journal of Physics D: Applied Physics 2018 Vol.51 No.9 P095102

摘要: The opposite sudden change of electrical characteristics between narrow and wide bang-gap multi-quantum-well (MQW) laser diodes (LDs) in the threshold ...

作者: Liefeng Feng( fengliefeng@tju.edu.cn);Shupeng Wang;Yang Li;Ding Li( liding2006@pku.edu.cn);Cunda Wang (1 Faculty of Science, Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, Tianjin University, Tianjin 300072, People\'s Republic of China 2 Authors to whom any correspondence should be addressed. 3 Hainan Technology and Business College, Haikou 570203, People\'s Republic of China 4 State Key Laboratory for Artificial Microstrcture and Mesoscopic Physics, Research Center for Wide-band Semiconductors, School of Physics, Peking University, Beijing, 100871, People\'s Republic of China)

出处: Journal of Physics: D Applied Physics 2018 Vol.51 No.9 P1

关键词: Exciton recombination;junction voltage;lasing threshold;multi-quantum-well (MQW);semiconductor lasers diode;sudden change

摘要: The opposite sudden change of electrical characteristics between narrow and wide bang-gap multi-quantum-well (MQW) laser diodes (LDs) in the threshold ...

作者: Lai, K.;Mu, J.;Wang, H. (a College of Computer and Information Engineering, Henan University of Economics and Law, Zhengzhou, 450011, China; b School of Management, Tianjin Polytechnic University, Tianjin, 450063, China; c Department of information engineering, Hainan Technology and Business College, Haikou, 570203, China)

出处: Boundary Value Problems 2017 Vol.2017 No.1

关键词: asymptotic behavior;boundary value problem;Green potential

摘要: By using the Schrödingerean continuation theorem due to Li (Bound. Value Probl. 2015:242, 2015), we obtain some new results for boundary value problem ...

作者: Li, Y.;Feng, L.F.;Xing, Q.Y.;Wang, X.L. (a Hainan Technology and Business College, Haikou, 570203, China; b Department of Applied Physics, Tianjin University, Tianjin, 300072, China)

出处: Journal of Electronic Materials 2015 Vol.44 No.3 P999-1002

关键词: Light-emitting diode;negative capacitance;patterned sapphire substrate;p–n junction

摘要: Patterned sapphire substrate light-emitting diodes display obvious negative capacitance (NC) at large forward biases. This is measured using a method ...

作者: Li, Ji-Fei;Qi, Dong-Liang;Ren, Jing-Chao;Yin, Xia;Gao, Chong-Yang;Li, Wen-Xiu (1) College of Civil Engineering and Architecture, Hebei University, Baoding; 071002, China (2) Hainan Technology and Business College, Haikou; 570203, China (3) Research Institute of Geotechnical Engineering, Hebei University, Baoding; 071002, China)

出处: Applied Mathematical Modelling 2015 Vol.39 No.18 P5495-5506

关键词: Rock rheology theory;Underground mining;Dynamic ground subsidence;Visco-elastic model;Pillarless sublevel caving method

摘要: The dynamic ground subsidence due to mining is a complicated time-dependent process. Based on the theory of rock rheology, a theoretical model for the ...

作者: Zhu, Z;Huang, Q;Wang, X;Zuo, S (b Department of Basic Course, Hainan Technology and Business College, Haikou 570203, Hainan, PR China a Department of Computational Science & Mathematics, Guilin University of Electronic Technology, Guilin 541004, Guangxi, PR China)

出处: Applied Mathematics and Computation 2011 Vol.217 No.24 P10224-10230

关键词: SQP method;The filter;Inequality constrained;Global convergence

摘要: In this paper, we combine the filter technique with a modified sequential quadratic programming (SQP) method. The optimization solution is obtained by ...

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