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Linfei Zhang, Qingwen Ren, Lei Shen, Wenyan Lu, Mei Tao and Jiafeng Gu
The 300 m-level high arch dams built in China have different degrees of valley-narrowing deformation in the initial impoundment. This unexpected phenomenon may increase the long-term safety risk of high arch dams. There are several explanations for the v...
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Lei Mei, Wenhui Yan, Junwei Zhou and Weichao Shi
Recent studies indicate that bow foil biomimetic systems can significantly improve ship propulsion in waves. In this paper, the DTMB 5415 ship model is taken as the object and a semi-active elastic flapping foil is proposed to install at its bow underwat...
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Zhongyan Liu, Jiangtao Mei, Deguo Wang, Yanbao Guo and Lei Wu
As a new type of riser connecting offshore platforms and submarine pipelines, steel catenary risers (SCRs) are generally subject to waves and currents for a long time, thus it is significant to fully evaluate the SCR structure?s safety. Aiming at the dam...
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Yanjie Wang, Chun Zhao, Dong Mei, Gangqiang Tang, Lei Zhang and Denglin Zhu
The selective compliance assembly robot arm (SCARA) has been developed for decades and has been widely used in industry due to its light structure, quick response and high stiffness in a specific axis. In this work, we designed a reconfigurable SCARA rob...
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Mulin Chen, Hongyan Cai, Li Wang and Mei Lei
Understanding the risks posed by potentially toxic metals (PTMs) in large regions is important for environmental management. However, regional risk assessment that relies on traditional field sampling or administrative statistical data is labor-intensive...
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Sanwei He, Lei Mei and Lei Wang
Drawing on 185 cities in the northeastern region of China, this paper improves the radiation model by incorporating the accessibility index to characterize the asymmetric process of economic linkages before HSR in 2007 and after HSR in 2016. Then social ...
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Lei Gu, Yufeng Zhou, Tingting Mei, Guomo Zhou and Lin Xu
Bamboo forest is characterized by large carbon sequestration capability and it plays an important role in mitigating climate change and global carbon cycling. Previous studies have mostly focused on carbon cycling and carbon stocks in bamboo forest ecosy...
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Guanghui Guo, Mei Lei, Yanwen Wang, Bo Song and Jun Yang
This study investigated the accumulation of As, Cd, and Pb in 16 wheat cultivars and the associated health risks for the inhabitants of Jiyuan, China. The results indicated that the concentrations of As, Cd, and Pb decreased in the order of root > lea...
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Zhi-Lei Yu, Deng-Hua Yan, Guang-Heng Ni, Pierre Do, Deng-Ming Yan, Si-Yu Cai, Tian-Ling Qin, Bai-Sha Weng, Mei-Jian Yang
Pág. 1 - 18
This study investigates spatial characteristics of annual and decadal precipitation in the Huaihe River basin. Daily precipitation data, obtained from meteorological gauges, are analyzed for a 51-year period, from 1961 to 2011. Precipitation is analyzed ...
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