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Li Pan, Guoying Wu, Mingwu Zhang, Yuan Zhang, Zhongmei Wang and Zhiqiang Lai
The functionality of rivers and open diversion channels can be severely impacted when the epipelic algae group that grows on concrete inclined side walls, which are typical of urban rivers, joins the water flow. This study aims to increase the long-dista...
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Chunyu Song, Teer Guo, Jianghua Sui and Xianku Zhang
In order to solve the problem of the dynamic positioning control of large ships in rough sea and to meet the need for fixed-point operations, this paper proposes a dynamic positioning controller that can effectively achieve large ships? fixed-point contr...
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Nader Vahdati, Aamna Alteneiji, Fook Fah Yap and Oleg Shiryayev
Engine mounts serve three primary purposes: (1) to support the weight of the engine, (2) to lessen the transmitted engine disturbance forces to the vehicle structure/chassis or airplane fuselage, and (3) to limit the engine motion brought on by shock exc...
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Edyta Plebankiewicz and Patrycja Karcinska
The paper presents a model that aims to support the construction contractor in the process of construction workforce planning by verifying initial assumptions about the planned number of man-hours, determined using a widely available and widely used meth...
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Longyu Fang, Wenwu Yang, Xiwen Luo, Han Guo, Shiyu Song, Qinghai Liu, Haoyang Xie, Weiman Chen, Jianxin Lu, Zhixiang Peng and Guanjiong Li
Due to factors such as a small amount of fertilizer application during rice topdressing and slow machine speed, the ordinary fertilizer discharge device fails to distribute the fertilizer uniformly and accurately as required, making it difficult to meet ...
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Xiaomin Liu, Kezhi Wang, Tingxi Liu and Wenguang Wang
Excessive sedimentation in sand-laden rivers significantly hinders the normal operation and overall effectiveness of reservoirs. This is observed particularly in plain-type sand-laden reservoirs where weak hydraulic conditions in the reservoir area contr...
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Sylwester Borowski, Miroslaw Szubartowski, Klaudiusz Migawa, Agnieszka Soltysiak, Andrzej Neubauer, L?ubomír Hujo and Jozef Nosian
These mathematical models can be used to build decision-support software for agricultural enterprises. This helps you decide on minimal and normal repairs during urgent field work.
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Jianchao Qiu, Weihan Qiu, Anqi Niu, Guangdong Han, Shenghai Wang and Yuqing Sun
The safety transfer on the sea is threatened by wind, wave and surge loads. An offshore gangway ensures smooth and safe transfer by compensating the ship?s motion. In a mixed offshore gangway system, the transfer gangway is a huge asymmetric load on top ...
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Bing Liu, Xiaohan Chen, Enyi Li and Guigao Le
To study the influence of launch conditions and wave interference on the stability of submersible aerial vehicles at the water?air interface, a coupling model for water-exit motion of submersible aerial vehicles was established by using the RNG k-e turbu...
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Xianrui Hou and Xingyu Zhou
In order to simulate or control the coupled heave?pitch motion of ships in waves as realistically as possible, an appropriate mathematical model must be established in advance. In this paper, a nonparametric identification method, based on a combination ...
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