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作者: Chen, Songsheng1;Guo, Jun2;Liu, Qingqing3;Tong, Xiaoxiao4 (1 School of Management and Economics, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, 100081, Beijing, China 2 Rutgers, The State University of New Jersey, 08102, Camden, NJ, USA 3 Business School, Beijing Technology and Business University, 100048, Beijing, China 4 Founder Securities CO., Ltd., 100037, Beijing, China)

出处: Review of Quantitative Finance & Accounting 2021

关键词: Real earnings management;Risk aversion;Technology;XBRL

摘要: In this paper, we investigate whether there is a change of real earnings management for firms facing pressures of the new technology implementation of ...

作者: Khan, Noor Hashim1;Ju, Yanbing1;Danish2;Latif, Zahid3;Khan, Khalid4 (1 School of Management and Economics, Beijing Institute of Technology, Beijing, China 2 School of Economics and Trade, Guangdong University of Foreign Studies, Guangzhou, China 3 School of Economics and Management Sciences, Beijing University of Posts and Telecommunications (BUPT), Beijing, China 4 Department of Economics, Lasbela University of Agriculture Water Marine Sciences (LUAWMS), Uthal, Pakistan)

出处: Journal of Public Affairs 2021

摘要: This study explores the nexus between financial development, access to electricity, and CO2 emissions in Pakistan over the period from 1990 to 2015, i ...

作者: Wang, F.;Wang, J.-M. (School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China)

出处: Advanced Structured Materials 2021

摘要: The chaotic dynamic behavior of a symmetric tree-shaped network of wave equations described by a system of partial differential equations is considere ...

作者: Li, Yabi;Xing, Yuxiao;Gao, Yuan;Zhang, Haiyang;Zhang, Zilong;Zhao, Changming (School of Optics and Photonics, Beijing Institute of Technology, Beijing, China)

出处: Microwave and Optical Technology Letters 2021

关键词: chirp–z transform;Doppler shift;dual-frequency laser;hypersonic;lidar

摘要: A dual-frequency continuous wave Doppler lidar for long-distance and high-precision velocity measurement is experimentally demonstrated in this articl ...

作者: Fan, Xiao;Zhang, Liansheng;Wang, Xin (School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, 102488, China)

出处: Journal of Physics: Conference Series 2021

摘要: The process of the explosion damage in confined space mainly involves two parts, shock wave pressure effect and quasi-static pressure effect. A compli ...

作者: Ye, Jiahui;Huang, Jie (School of Mechanical Engineering, Beijing Institute of Technology, 100081, China)

出处: Mechanical Systems and Signal Processing 2021

关键词: Analytical analysis;Distributed-mass payload;Tower crane;Twisting dynamics;Vibration control

摘要: Tower cranes suspending slender payloads are widely used in the construction site. Both the payload swing and twisting degrade the efficient and safe ...

作者: Fei, Wang (School of Information Technology, Beijing Institute of Technology, Zhuhai, 519000, China)

出处: Journal of Physics: Conference Series 2021

关键词: Inverter;Microgrid;Voltage Control

摘要: We always emphasize the shortage of some domestic resources. In our cognitive field, it seems that electricity is an inexhaustible energy. In fact, po ...

作者: Ning, Haosen;Nie, Zhihua;Hao, Yupeng;Yu, Xiaodong;Tan, Chengwen (School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China)

出处: Materials Science and Engineering A 2021

关键词: Fracture behavior;Heterogeneous structure;Mechanical properties;Tungsten

摘要: Tungsten and its alloys are known to be brittle at room temperature and have high ductile-to-brittle transition temperatures. Improving the ductility ...

作者: Zahid, Muhammad Noaman;Jiang, Jianliang;Lu, Heng;Khan, Shahrukh;Zhang, Hengli (School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China)

出处: Journal of Physics: Conference Series 2021

关键词: Broadband matching.;Class-E PA;CMOS PA;High efficiency;Power amplifier;RF-EAS;RFID

摘要: In the radio frequency frontend the power amplifiers are most essential block for reliable wireless communication. Power amplifiers are used for ampli ...

作者: Ye, Fan;Fu, Tie;Gong, Lin;Gao, Jun (School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China)

出处: Journal of Physics: Conference Series 2021

关键词: Cross-Domain;Knowledge Graph;Natural Language Process (NLP);Patent Mining

摘要: This paper studies an approach on cross-domain knowledge discovery to assist the conceptual stage of the design process related to mechanical engineer ...

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