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Raquel Ibarra, Darío Bolaños-Guerrón and Luis Cumbal-Flores
This study evaluates the pollution of the Machángara River basin in Ecuador. For the assessment, water samples were pumped from the river for 1 to 4 h, with a representative water sample of 4 L collected. In the site and laboratory, the physicochemical p...
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Fansheng Zhang, Lianglin Dong, Hongbo Wang, Ke Zhong, Peiyuan Zhang and Jinyan Jiang
During the construction of underground engineering, the prediction of groundwater distribution and rock body permeability is essential for evaluating the safety of the project and guiding subsequent design and construction. This article proposes an objec...
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Manuel Boebel, Fabian Frei, Frank Blumensaat, Christian Ebi, Marcel Louis Meli and Andreas Rüst
Drinking water is becoming increasingly scarce as the world?s population grows and climate change continues. However, there is great potential to improve drinking water pipelines, as 30% of fresh water is lost between the supplier and consumer. While sys...
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Chien-Ching Chiu, Wei Chien, Kai-Xu Yu, Po-Hsiang Chen and Eng Hock Lim
Electromagnetic imaging. Featured applications include military measurements, medical imaging, industrial applications, underground gas pipe and electrical high-voltage cable detection, etc.
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Xu Bai, Yu Yang, Shouming Wei, Guanyi Chen, Hongrui Li, Yuhao Li, Haoxiang Tian, Tianxiang Zhang and Haitao Cui
Ground-penetrating radar (GPR) is a nondestructive testing technology that is widely applied in infrastructure maintenance, archaeological research, military operations, and other geological studies. A crucial step in GPR data processing is the detection...
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Jiehui Liu, Hongchao Qiao, Lijie Yang and Jinxi Guo
During the operation of the belt conveyor, foreign objects such as large gangue and anchor rods may be mixed into the conveyor belt, resulting in tears and fractures, which affect transportation efficiency and production safety. In this paper, we propose...
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Shaoze You, Hua Zhu, Menggang Li, Yutan Li and Chaoquan Tang
In recent years, discriminative correlation filters (DCF) based trackers have been widely used in mobile robots due to their efficiency. However, underground coal mines are typically a low illumination environment, and tracking in this environment is a c...
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Priyanka Sharma and Rishi Pal Singh
Wireless underground sensor networks (WUSNs) are being used in agricultural applications, in border patrol, and in the monitoring of remote areas. Coverage holes in WUSNs are an issue which needs to be dealt with. Coverage holes may occur due to random d...
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Huda Aslam, Md Maruf Mortula, Sherif Yehia, Tarig Ali and Manreet Kaur
Leakages from water distribution infrastructures are responsible for a considerable amount of water losses. Consequently, innovative, non-destructive techniques (NDT) of leakage detection for early recognition is vital. In this study, the leak detection ...
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Kanat Mukashev, Alia Argynova, Valery Zhukov, Tunyk Idrissova, Bakhtiyar Iskakov, Vecheslav Piskal, Turlan Sadykov, Zhakypbek Sadykov, Alexey Stepanov and Abai Serikkanov
The study describes the experimental complex of the station located in the Tien Shan mountains at an elevation of 3340 m above sea level. The complex consists of detectors of different types scattered across the station area, such as scintillation partic...
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