作者： Yi-Ming Wei;Lu Qiao;Xin Lv （c Sustainable Development Research Institute for Economy and Society of Beijing, Beijing 100081, China a Center for Energy and Environmental Policy Research, Beijing Institute of Technology, Beijing 100081, China d Beijing Key Lab of Energy Economics and Environmental Management, Beijing 100081, China b School of Management and Economics, Beijing Institute of Technology, Beijing, 100081, China）

出处： Energy Economics 2020

关键词： Learning curve theory;Mergers and acquisitions (M&As);Integrated oil firms;Oil sands firms

摘要： This paper contributes to the literature by explaining the “direct and indirect effect” of M&As on technology learning and derives a new learning curv ...

作者： Chao Wan;Zhixiu Hao;Stanislav N. Gorb （b Functional Morphology and Biomechanics, Zoological Institute, Kiel University, Germany c State Key Laboratory of Tribology, Tsinghua University, China a Department of Mechanics, School of Aerospace Engineering, Beijing Institute of Technology, China）

出处： Journal of Biomechanics 2020

关键词： Stress relaxation;Cyclic loading;Cuticle;Semi-lunar process;Locust;Power amplification

摘要： The semi-lunar process (SLP) is a key component in the power amplification of locusts to achieve rapid movements. Its mechanical properties determine ...

作者： Zhengduo Wang;Qian Li;Yan Yuan;Lizhen Yang;Haibao Zhang;Zhongwei Liu;Jiting Ouyang;Qiang Chen （1 Lab of Plasma Physics and Materials, Beijing Institute of Graphic Communication, Beijing 102600, China 2 School of Physics, Beijing Institute of Technology, Beijing 100081, China a) Authors to whom correspondence should be addressed: [emailprotected] and [emailprotected]）

出处： AIP Advances 2020

摘要： In this paper, we report a nitrogen (N) doped zinc oxide (N:ZnO) film grown by the reactive high power impulse magnetron sputtering (HiPIMS) technique ...

作者： Zhongbao Wei;Difan Zhao;Hongwen He;Wanke Cao;Guangzhong Dong （b State Grid Langfang Power Supply Company, Hebei, China c Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden a National Engineering Laboratory for Electric Vehicles, School of Mechanical Engineering, Beijing Institute of Technology, China）

出处： Applied Energy 2020

关键词： Lithium-ion battery;Battery management;Model parameter identification;Noise tolerance;Variable projection

摘要： A well-parameterized battery model is prerequisite of the model-based estimation and control of lithium-ion battery (LIB). However, the unexpected yet ...

作者： Puyan Xu;Changwei Ji;Shuofeng Wang;Xiaoyu Cong;Zedong Ma;Chuanqi Tang;Hao Meng;Cheng Shi （b School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, PR China a College of Environmental and Energy Engineering, Beijing Lab of New Energy Vehicles and Key Lab of Regional Air Pollution Control, Beijing University of Technology, Beijing 100124, PR China）

出处： International Journal of Hydrogen Energy 2020

关键词： Hydrogen-fueled engine;Hydrogen;Amount of water injection;Water injection timing;Water injection

摘要： In this paper, the effects of direct water injection (WI) on characteristics of combustion and emission for a hydrogen (H 2 )-fueled spark ignition (S ...

作者： Ziyue Wen;Yuejiao Li;Zhikun Zhao;Wenjie Qu;Nan Chen;Yi Xing;Yue Ma;Li Li;Feng Wu;Renjie Chen （* Corresponding authors ; a School of Material Science & Engineering, Beijing Institute of Technology, Beijing 100081, China E-mail: chenrj@bit.edu.cn ; b Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing 100081, China）

出处： Journal of Materials Chemistry A 2020

摘要： Poor interfacial contact and Li dendritic growth severely restrict practical applications of Li metal anodes. Herein, we report a novel biomimetic sol ...

作者： Guodong Du;Yuan Zou;Xudong Zhang;Teng Liu;Jinlong Wu;Dingbo He （b Department of Mechanical and Mechatronics Engineering, University of Waterloo, Ontario, N2L3G1, Canada a Beijing Collaborative and Innovative Center for Electric Vehicles and School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China）

出处： Energy 2020

关键词： Hybrid electric tracked vehicle;Energy management;Dyna-H;Deep reinforcement learning;AMSGrad optimizer

摘要： This research proposes a reinforcement learning-based algorithm and a deep reinforcement learning-based algorithm for energy management of a series hy ...

作者： Mehboob Ali;Waqar Azeem Khan;Faisal Sultan;Muhammad Shahzad （b School of Mathematics and Statistics, Beijing Institute of Technology, Beijing 100081, China a Department of Mathematics and Statistics, Hazara University, Mansehra 21300, Pakistan c Department of Mathematics, Mohi-ud-Din Islamic University, Nerian Sharif, 12010, Azad Kashmir, Pakistan）

出处： Physica A: Statistical Mechanics and its Applications 2020

关键词： Curved surface;Sisko fluid model;Non-uniform heat sink/source;Nanofluid

摘要： A Sisko fluid model with non-uniform sink–source for curved surface is considered here. However, for Lorentz’s forces effects, the Hall aspects are co ...

作者： Tongbin Xie;Zhiping Xiong;Ziqi Xu;Xingwang Cheng （b National Key Laboratory of Science and Technology on Materials Under Shock and Impact, Beijing, 100081, PR China a School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, PR China）

出处： Materials Science and Engineering: A 2020

关键词： High-entropy alloys;Eutectics;Alloy design;Hafnium;Laves

摘要： Different eutectic compositions were successfully obtained for Co–Cr–Fe–Ni-Hf high-entropy system using a proposed modified simple mixture method when ...

作者： Fushui Liu;Zechang Liu;Zheng Sang;Xu He;Fengshan Liu;Cong Liu;Yuxuan Xu （b Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing 100081, China c Metrology Research Centre, National Research Council of Canada, Ottawa, Ontario, Canada a School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China）

出处： Fuel 2020

关键词： Laminar burning velocity;Hydrogen;TRF;Chemical effect;Thermal/dilution effect

摘要： Because of its high reactivity, rapid flame speed, and low ignition energy, hydrogen is an excellent additive in gasoline to improve the combustion pe ...