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Jun Dong, Qingqing Chen, Guangxiang Yuan and Kaiyan Xie
In large-scale water conservancy and hydropower projects, complex rock structures are considered to be the main factor controlling the stability of hydraulic structures. The classification of rock mass structure plays an important role in the safety of a...
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Jun Du, Yaseen Laghari, Yi-Chang Wei, Linyi Wu, Ai-Ling He, Gao-Yuan Liu, Huan-Huan Yang, Zhong-Yi Guo and Shah Jahan Leghari
Groundwater is an important natural resource in the North China Plain (NCP) with high economic benefits and social significance. It fulfills 60% of drinking and 70% of irrigation water requirements. In this review, the information is retrieved from high-...
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Jianping Yuan, Yingying She, Yinghao Zhang, Jun Xu and Lei Wan
This study focuses on addressing the the coupling problem of the vertical and horizontal plane of an autonomous underwater vehicle (AUV) with an X-rudder. To guarantee the steering performance of the AUV, a depth and course control algorithm based on an ...
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Maoqing Duan, Qi Liu, Yu Zhang, Feiyan Yuan, Xianzhi Meng, Shilu Zhang and Jun Zhang
The background values of pollutants are becoming increasingly prominent in evaluating water quality and management, and their load and output characteristics are of great significance to the study of changes in the background values. Thus, this paper stu...
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Ye Yuan, Weihong Gong, Guojun Wang and Jun Wang
Pitch motion is the key factor affecting the performance characteristics of centrifugal pumps on board ships and exacerbates hydraulic excitation to induce the unsteady vibration of pump units. A hydraulic test platform with swing motion is established t...
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Long Zhou, Qiu Dong, Jianqun Yu, Yang Wang, Yulong Chen, Mingwei Li, Wenjun Wang, Yajun Yu and Jun Yuan
An appropriate contact mechanics model and parameters are key to achieving accurate results in discrete element analyzis. This is necessary to predict the process of contact collision between the soil and maize seed during deposition. In this paper, the ...
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Yin Zhang, Jun Xia, Fang Yang, Dunxian She, Lei Zou, Si Hong, Qiang Wang, Fei Yuan and Lixiang Song
Drought is a widespread and destructive natural hazard and is projected to occur more frequently and intensely, with more severe impacts in a changing environment. In this study, we used the standardized precipitation index (SPI) at various time scales (...
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Chuanyu Wang, Yao Liang, Jianzhao Liu, Jingchao Yuan, Jun Ren, Yidan Geng, Zeqiang Shao, Jinjing Zhang and Hongguang Cai
Returning crop residues to the field after harvesting is a proven effective strategy for improving soil fertility, carbon sequestration, and crop productivity. However, the relationships between crop residue return modes, SOC and nutrient contents, and c...
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Bingcheng Chen, Lufei Du, Jun Yuan, Xichen Sun, Madura Pathirage, Weiwei Sun and Jun Feng
Microbial-induced calcium carbonate precipitation (MICP) has been successfully applied to self-healing concrete with improved mechanical properties, while the performance of engineered cementitious composites (ECC) incorporated with bacteria is still lac...
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Jun Yuan, Qiang Zhao, Wei Wang, Xiangsheng Meng, Jun Li and Qin Li
As a typical active noise control algorithm, Filtered-x Least Mean Square (FxLMS) is widely used in the field of audio denoising. In this study, an audio denoising coprocessor based on Retrenched Injunction System Computer-V (RISC-V), a custom instructio...
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