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Qiang Cheng, Yong Cao, Zhifeng Liu, Lingli Cui, Tao Zhang and Lei Xu
The computer numerically controlled (CNC) system is the key functional component of CNC machine tool control systems, and the servo drive system is an important part of CNC systems. The complex working environment will lead to frequent failure of servo d...
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Lei Sun, Chong Li, Zhijun Xu, Lianhai Tai, Yue Cao and Xiaowu Zhang
Insufficient stability of the top plate at the corner of an easily combustible coal seam comprehensive mining face may lead to a natural fire within the goaf. While corner sealing is crucial for minimizing air leakage, current sealing methods struggle to...
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Shilong Peng, Yuhao Xu, Guangyong Cao and Lei Pei
The study of the changes in stress and deformation of frozen walls during excavation has always been a hot topic in underground freezing engineering, and the size of the plastic zone is an important basis for evaluating the stability of frozen walls. In ...
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Zhe Sun, Heyu Li, Zuimiao Tao, Baochuan Wang, Lei Gao, Yusheng Xu and Yan Cao
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Lei Cao, Won Han, Sang Gil Lee and Joong Ho Shin
Cell-culture-based drug tests are usually performed in an instantaneous delivery manner. However, in vivo pharmacokinetic studies have shown a steady increase in the concentration of bioactive compounds in the plasma following oral administration, with t...
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Pu Zhang, Zhe Zhang, Lihua Liang, Lei Li, Chenyang Cao and R. Lawrence Edwards
The provenance of lake particulate matter in environmentally sensitive areas is crucial to understanding regional environmental and climatic changes. This study investigated two regions in the Northeast Tibetan Plateau, China: Region I (Keluke, Tuosu, an...
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Ran Zhang, Lei Cao, Yiqing Liu, Ru Guo, Junjie Luo and Ping Shu
Old residential communities are integral parts of urban areas, with their environmental quality affecting residents? well-being. Spontaneous informal spaces (SIS) often emerge within these communities. These are predominantly crafted by the elderly using...
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Yibing Xu, Lei Gao, Ruizhe Cao, Chong Yan and Ying Piao
Currently, an increasing number of designers have begun to pay attention to a new paradigm for evaluating the performance with full engine 3-dimensional computational fluid dynamics (3D CFD) simulations. Compared with the traditional component-based perf...
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Zhaobin Duan, Xidan Cao, Fangyu Hu, Peng Wang, Xi Chen and Lei Dong
Traditional methods are unable to effectively assess the health status of engine bleed air systems. To address the limitation, this paper proposes a methodology for constructing health indicators using multi-level feature extraction. First, this approach...
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Feifei Cao, Mingqi Yu, Bing Liu, Zhiwen Wei, Lei Xue, Meng Han and Hongda Shi
The use of combined wind and wave energy harvesting devices (CWWHDs) is an effective way to synergistically capture offshore wind and wave energy. However, the form of combined energy harvesting and coupled simulation techniques limit the development of ...
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