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Zhuo Wang, Haojie Chen, Hongde Qin and Qin Chen
In the computer vision field, underwater object detection has been a challenging task. Due to the attenuation of light in a medium and the scattering of light by suspended particles in water, underwater optical images often face the problems of color dis...
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Zhixiong Chen, Yilang Shen, Xinlin Lv, Qiaolin Qin and Xin Chen
To better satisfy user?s needs for the accurate visualization of massive amounts of geographic data, the variable-scale expression of map content based on multilevel data organization has attracted increasing attention. Traditional methods based on vecto...
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Tianao Qin, Ruixin Chen, Rufu Qin and Yang Yu
Time series prediction is an effective tool for marine scientific research. The Hierarchical Temporal Memory (HTM) model has advantages over traditional recurrent neural network (RNN)-based models due to its online learning and prediction capabilities. G...
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Haojun Wen, Xiaodong Ma, Chenjian Qin, Hao Chen and Huanyu Kang
The high clearance spray is a type of large and efficient agricultural machinery used for plant protection, and path tracking control is the key to ensure the efficient and safe operation of spray. Sliding mode control and other methods are commonly used...
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Huajie Guo, Zhiying Qin, Wei Ren, Hongmei Feng, Wenliang Chen, Longlong Liu and Zhaoxia Sun
As a nutrient-rich multigrain crop, buckwheat is a typical ?medicinal food homology? crop that is rich in flavonoids, including rutin and various vitamins. It has positive anti-oxidant and anti-tumour properties and lowers blood pressure. However, due to...
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Cheng Chen, Xiangrui Zhang, Guo Wang, Feng Feng, Cong Sun and Qin He
The inherent complexity of large ships makes it challenging to evaluate ship designs systematically and scientifically. Knowledge-based expert systems can be reasonable solutions. However, this problem needs more rationality and better operability, espec...
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Weiwen Luo, Xulei Chen, Kai Guo, Mingyang Qin, Feng Wu, Fengwei Gu and Zhichao Hu
The soil during the sowing period of wheat after rice stubble cannot be accurately described by existing models and parameters with DEM because of its high moisture content and strong viscosity. The purpose of this study is to conduct an overall simulati...
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Hong Chen, Shuai Qin and Haokun Wang
Promoting the high-quality development of agriculture is an inevitable requirement toward realizing the transformation from a large agricultural country to a powerful one, and optimizing factor allocation is a prerequisite. In this paper, we use spatial ...
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Weiwen Luo, Xulei Chen, Mingyang Qin, Kai Guo, Jie Ling, Fengwei Gu and Zhichao Hu
When wide-width sowing wheat after rice stubble (WRS) in a rice-wheat rotation area, there is a problem of poor uniform of seed distribution. To solve the problem, this study designed the seed distribution plate (SDP) structure and optimized its critical...
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Yi Zhang, Endian Yang, Qin Liu and Chen Feng
Primulina eburnea, a plant with a longstanding history of traditional medicinal use, has emerged as a novel calcium-rich vegetable characterized by a remarkable abundance of soluble and bioavailable calcium within its leaves. However, most of the metabol...
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Yuwen Jin, Naiyu Zhang, Yanhua Chen, Qiong Wang, Zhenhan Qin, Zhimei Sun and Shuxiang Zhang
Phosphorus (P) leaching from excessive P application is the primary pathway of P losses in agricultural soils. Different P fertilizer practices have mixed effects on P leaching. We conducted a meta-analysis of the relevant literature regarding the respon...
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Di Lu, Qin Tang, Dehuan Yang, Rongtao Yan, Yun Chen and Shuai Tao
Stability condition is of critical importance for methane hydrate exploitation, transportation, and reserves. This study measured the stability conditions of methane hydrate in fine-grained sediment with different dry densities (ρd" role="prese...
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Bin Cheng, Ping Chen, Xin Zhang, Keyu Fang, Xiaoli Qin and Wei Liu
With the rapid development of ubiquitous data collection and data analysis, data privacy in a recommended system is facing more and more challenges. Differential privacy technology can provide strict privacy protection while reducing the risk of privacy ...
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Danjie Chen, Yan Zheng, Liqun Ma and Fen Qin
Typhoons are destructive weather events. News media reports contain large amounts of typhoon information. Transforming this information into useful knowledge to provide a basis for mining typhoon knowledge and supporting disaster prevention and relief is...
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Xiazhong Zheng, Yu Wang, Yun Chen, Qin Zeng and Lianghai Jin
Improving the hazard identification ability of workers is an important way to reduce safety accidents at construction sites. Although previous studies have succeeded in improving hazard identification performance, an important gap is that they consider o...
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Yihang Chen, Zening Cao, Jinxin Wang, Yan Shi and Zilong Qin
In the process of global information construction, different fields have built their own discrete global grid systems (DGGS). With the development of big data technology, data exchange, integration, and update have gradually become a trend, as well as th...
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Xiwen Qin, Dongmei Yin, Xiaogang Dong, Dongxue Chen and Shuang Zhang
Passenger flow is an important benchmark for measuring tourism benefits, and accurate tourism passenger flow prediction is of great significance to the government and related tourism enterprises and can promote the sustainable development of China?s tour...
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Weige Tao, Yue Ma, Shuyan Xiao, Qin Cheng, Yongxing Wang and Zhengyu Chen
Environmental noise causes enormous harm to human health. This research suggests an active noise control (ANC) system based on the cuckoo search (CS) algorithm to reduce indoor noise pollution. The indoor environment?s ANC is more complicated than the co...
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Qin Wang, Jinke Jiang, Hua Chen, Junwei Tian, Yu Su and Junde Guo
An approach of ease-off flank modification for hypoid gears was proposed to improve the meshing performance of automobile drive axle. Firstly, a conjugate pinion matching with gear globally was developed based on gear meshing theory. Secondly, a modified...
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Qin Liu, Zhe Wang, Ning Zhang, Hongyu Zhao, Lei Liu, Kunpeng Huang and Xuguang Chen
The local scour around offshore pile foundations often seriously affects the normal operation of offshore wind power. The most widely used numerical simulation method in the study of local scour is the Euler two-fluid model (TFM). However, the contact ef...
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