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Dan Wu, Yuezan Tao, Jie Yang and Bo Kang
For a semi-infinite aquifer controlled by a river channel boundary, when the Laplace transform is used to solve a one-dimensional unsteady seepage model of phreatic water while considering the influence of the vertical water exchange intensity e with the...
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Zhaoguang Li, Shan Jian, Rui Gu and Jun Sun
Few studies have been conducted to simulate watersheds with insufficient meteorological and hydrological information. The Jiyun River watershed was selected as the study area. A suitable catchment area threshold was determined by combining the river netw...
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Qi Dong, Shuxue Qu, Jiahui Qin, Disheng Yi, Yusi Liu and Jing Zhang
During the period of rapid urbanization, the urban fringe area is the area where urban expansion occurs first, and land use change is the most active. Studying its evolution laws and characteristics is of great significance to urban planning and urban ex...
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Guoquan Xiao, Guihong Zheng, Bing Ren, Yue Wang, Xiaobin Hong and Zhigang Zhang
In order to avoid the influence of the test system itself on the autonomous navigation and performance test accuracy of unmanned surface vehicles (USVs), a test method for the obstacle-avoidance performance of USVs based on mobile-buoy?shore multisource-...
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Xianfeng Tan, Bingzhong Song, Huaizhi Bo, Yunwei Li, Meng Wang and Guohong Lu
Underground coal mining-induced ground subsidence (or major ground vertical settlement) is a major concern to the mining industry, government and people affected. Based on the probability integral method, this paper presents a new ground subsidence predi...
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Jiajia Fan, Ye Li, Yulei Liao, Wen Jiang, Leifeng Wang, Qi Jia and Haowei Wu
When utilizing the traditional path planning method for unmanned surface vehicles (USVs), ?planning-failure? is a common phenomenon caused by the inflection points of large curvatures in the planned path, which exceed the performances of USVs. This paper...
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Bo Liu, Liangwen Yao, Xiaofei Fu, Bo He and Longhui Bai
The first member of the Qingshankou Formation, in the Gulong Sag in the northern part of the Songliao Basin, has become an important target for unconventional hydrocarbon exploration. The organic-rich shale within this formation not only provides favorab...
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Yuan hong Zhong, Shun Zhang, Rongbu He, Jingyi Zhang, Zhaokun Zhou, Xinyu Cheng, Guan Huang and Jing Zhang
Feature extraction is a key part of the electronic tongue system. Almost all of the existing features extraction methods are ?hand-crafted?, which are difficult in features selection and poor in stability. The lack of automatic, efficient and accurate fe...
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Zi-qi Cai, Xiang-yang Li, Bo Lei, Jing-fan Yuan, Chang-shou Hong and Hong Wang
It is the fact that there are lots of hazard incidents in underground uranium mines caused by radon but in-suit uranium samples were difficult to collect. Based on closed chamber method, three similar samples in different sealed ways were made in a labor...
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Ning Ning, Dehu Yu, Chunwei Zhang and Shan Jiang
This paper presents a pushover analysis using ABAQUS (Dassault Company, Providence, Rhodes Island, USA) for spatial reinforced concrete (RC) frames. The main purpose is to study the effect of the infills on failure patterns of the RC frames. The Finite E...
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