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Wei Ji, Guozhi He, Bo Xu, Hongwei Zhang and Xiaowei Yu
During the picking process of the apple harvesting robot, the attitude of the end effector holding the apple and the movement method of separating the apple directly affect the success rate of picking. In order to improve the stability of the picking pro...
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Xin Wei, Xiaojuan Shi, Honghu Ji and Jinlong Hu
In order to study the infrared radiation characteristics of an air-breathing hypersonic vehicle powered by a scramjet, it is necessary to solve the internal and external flow field of the air-breathing hypersonic vehicle. Owing to the complexity and diff...
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Xiaorong Wang, Boyue Liu, Shaolin He, Hongying Yuan, Dongli Ji, Ruolin Li, Yang Song, Wei Xu, Bo Liu and Yingjun Xu
To clarify the risk posed to groundwater in oil shale in situ mining areas, we examine five leached pollutants: Fe, Mn, Cr, sulfate, and ammonia nitrogen. Potential groundwater contents of these five pollutants were evaluated using an improved Nemero com...
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Qiaoyue Yang, Wei Li, Leilei Ji, Weidong Shi, Wei Pu, Yu Long and Xinrui He
This study presents a comprehensive investigation of the internal noise characteristics of a mixed-flow pump by combining computational fluid dynamics (CFD) and computational acoustics. The turbulent flow field of the pump is simulated using the unsteady...
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Bo Xu, Xiang Cui, Wei Ji, Hao Yuan and Juncheng Wang
Apple grading is an essential part of the apple marketing process to achieve high profits. In this paper, an improved YOLOv5 apple grading method is proposed to address the problems of low grading accuracy and slow grading speed in the apple grading proc...
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Lingxiang Wei, Dongjun Guo, Zhilong Chen, Yingying Hu, Yanhua Wu and Junyuan Ji
The growth simulation of urban underground space (UUS) under the consideration of ecological constraints can effectively reveal the characteristics and trends of UUS changes, and provide a basis for planning the construction of sustainable and livable ec...
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Yi Gao, Wei Li, Leilei Ji, Weidong Cao and Yunfei Chen
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Yujia Chen, Wei Tan, Li Li and Hongbing Ji
It is a challenge to research and develop silicon surfactants with good acid and alkali stability. In the present paper, methylpropenyl polyether modified nonionic silicone surfactant (MPNTS), an alkali-resistant and hydrolysis-resistant silicone surfact...
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Yazhou Wei, Rongqing Ji, Qingfu Li and Zongming Song
Steel bridges are widely used in bridge engineering. In the structural design of steel bridge deck pavement systems, engineers focus on obtaining mechanical properties by calculating design parameters and are keen to establish a quick and accurate soluti...
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Yanzeng Zhao, Yanlong Wang, Wei Guo, Lin Cheng, Jialu Tong, Ruipeng Ji, Yizhi Zhou, Ziyu Liu and Lijing Wang
This research work delves into the potential impact of occupational stress on the mental health, performance, and job satisfaction of civil aviation pilots. To explore this triadic relationship, a battery of six distinct scales was employed, including th...
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