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Lan Luo, Yanjun Zhang, Wenxun Dong, Jinglin Zhang and Liping Zhang
Water quality prediction is an important part of water pollution prevention and control. Using a long short-term memory (LSTM) neural network to predict water quality can solve the problem that comprehensive water quality models are too complex and diffi...
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Liping Zhang, Xiaojing Zhang and Song Li
In view of the existing research in the field of k-nearest neighbor query in the road network, the incompleteness of the query user?s preference for data objects and the privacy protection of the query results are not considered, this paper proposes a mu...
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Hui Zhang, Shuai Ji, Mingming Shao, Houxu Pu and Liping Zhang
The purpose of this study was to achieve non-destructive detection of the internal defects of in-shell walnuts using X-ray radiography technology based on improved Faster R-CNN network model. First, the FPN structure was added to the feature-extraction l...
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Liping Chen, Hui Zhang, Wei Wang and Qiliang Zhang
Bidirectional asymptotic structure methods have long been used to solve topological optimization problems, but are prone to being stuck in local optimal solutions. To solve this problem, this paper proposed a topology optimization method based on the Bi-...
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Zhijie Zhang, Yuanjie Zhang, Xiao Yu, Liping Lei, Yuqi Chen and Xudong Guo
The natural ecological lands, such as forest land, grassland, wetland, etc., constitute the most important factor for maintaining and preserving the earth?s ecosystem, which must be well concerned in the regional function-oriented planning for the sustai...
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Liping Wang, Jinxi Song, Bo Zhang, Hongtao Guo, Weiwei Jiang, Ming Wen, Guotao Zhang
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This study demonstrates the spatial and temporal variations of streambed vertical hydraulic conductivity Kv from October 2011 to November 2014 along the Weihe River, the largest tributary of the Yellow River. The streambed Kv values of a total number of ...
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Liping Wang, Jinxi Song, Bo Zhang, Hongtao Guo, Weiwei Jiang, Ming Wen and Guotao Zhang
This study demonstrates the spatial and temporal variations of streambed vertical hydraulic conductivity Kv from October 2011 to November 2014 along the Weihe River, the largest tributary of the Yellow River. The streambed Kv values of a total number of ...
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Junting Wang, Tianhe Xu, Wei Huang, Liping Zhang, Jianxu Shu, Yangfan Liu and Linyang Li
Underwater sound speed is one of the most significant factors that affects high-accuracy underwater acoustic positioning and navigation. Due to its complex temporal variation, the forecasting of the underwater sound speed field (SSF) becomes a challengin...
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Wenbin Shi, Yichao Zhang, Yiming Li, Xing?an Liu, Sida Meng, Tianlai Li and Liping Zhao
To enhance the utilization of solar energy in Chinese solar greenhouses (CSGs), a new method for optimizing the internal lighting environment of CSGs using reflective films is proposed. The influence of different positions and angles of reflecting film o...
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Wei Xu, Xunhong Zhu, Liping Zhang and Jun Gao
Complex diseases are affected by various factors, and single-nucleotide polymorphisms (SNPs) are the basis for their susceptibility by affecting protein structure and gene expression. Complex diseases often arise from the interactions of multiple SNPs an...
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Qingzhen Zhu, Zhihao Zhu, Hengyuan Zhang, Yuanyuan Gao and Liping Chen
The traditional air-assisted side-deep fertilization device has some problems, such as inaccurate control system parameters and poor precision in variable fertilization. It seriously affects the application and popularization of the device. Aiming at the...
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Shan Chen, Huan Liang, Qian Zhang, Qingchun Feng, Tao Li, Liping Chen and Kai Jiang
The grafting machine cutting step is the core step of the grafting process. The existing grafting machine cutting mechanism adopts fixed angle cutting and manually adjusts the cutting angle based on experience, and the cutting angle is not definite for r...
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Liping Wang, Xiaotong Chen, Wan Zhang, Yanzhe Tian and Shuanhai Xu
To investigate the effects of long-term freeze?thaw cycles on the physical and mechanical properties as well as the attenuation trend of rocks, this study conducted saturated freeze?thaw tests on coarse sandstone and fine sandstone samples collected from...
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Bingyu Xu, Shuquan Wang, Liping Zhao and Long Zhang
Obtaining the inertia tensors of defunct space objects is essential in on-orbit missions. When the inertia tensor of the space object is non-diagonal, the problem becomes challenging. In this case, the system does not have enough information to estimate ...
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Chenyang Zhang, Chenglin Liu, Haiyue Liu, Chaozhe Jiang, Liping Fu, Chao Wen and Weiwei Cao
Pilot factor is worth considering when analyzing the causes of civil aviation accidents. This study introduces a data-driven Bayesian network (BN) approach to investigating the joint causal effects of pilot and other factors on civil aviation safety. A t...
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Beini Zhang, Liping Li, Yetao Lyu, Shuguang Chen, Lin Xu and Guanhua Chen
As an important part of the industrialization process, fully automated instrument monitoring and identification are experiencing an increasingly wide range of applications in industrial production, autonomous driving, and medical experimentation. However...
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Liping Zhang, Jing Li and Song Li
Aiming at the problem that the existing spatial keyword group query problem did not consider the query requirements with exclusion keywords and time attributes, a time-aware group query problem with exclusion keywords (TEGSKQ) is proposed for the first t...
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Liping Zhang, Jing Li and Song Li
A new spatial keyword group query method is proposed in this paper to address the existing issue of user privacy leakage and exclusion of preferences in road networks. The proposed query method is based on the IGgram-tree index and minimum hash set. To d...
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Alamin Molla, Liping Di, Liying Guo, Chen Zhang and Fei Chen
Lagos, Nigeria, is considered a rapidly growing urban hub. This study focuses on an urban development characterization with remote sensing-based variables for Lagos as well as understanding spatio-temporal precipitation responses to the changing intensit...
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Mingrui Huang, Xiangtao Fan, Hongdeng Jian, Hongyue Zhang, Liying Guo and Liping Di
The Open Geospatial Consortium (OGC) is an international non-profit standards organization. Established in 1994, OGC aims to make geospatial information and services FAIR-Findable, Accessible, Interoperable, and Reusable. OGC specifications have greatly ...
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