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Ruping Luo, Mingluqiu Hu, Min Yang, Weichao Li and Anhui Wang
Rigid monopiles with small slenderness ratios (i.e., ratio of monopile embedded length to outer diameter) are widely used as foundations to resist lateral load and moment transferred from superstructures, e.g., large diameter steel pipes used by offshore...
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Zhiyuan Zhang, Jingbin Li, Xianfei Wang, Yongman Zhao, Shuaikang Xue and Zipeng Su
The aim of this paper is to optimize the working parameters of the arc-shaped nail-tooth roller-type recovery machine for sowing layer residual film. Firstly, the tooth roller device of the residual film recovery machine is designed, and the main working...
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Bokai Wang, Fengwei Gu, Zhichao Hu, Feng Wu, Xulei Chen and Weiwen Luo
The uneven sowing of wheat on ground covered with rice straw in the rice?wheat rotation area in the middle and lower reaches of the Yangtze River has become a serious problem. Therefore, a test bed for throwing soil after sowing with a wide wheat seed be...
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Vitalii Kalchenko,Volodymyr Kalchenko,Natalia Sira,Olga Kalchenko,Volodymyr Vynnyk,Dmytro Kalchenko,Volodymyr Morochko
Pág. 48 - 54
Three-dimensional geometrical modeling of the processes of allowance removal and shaping of support necks and cams of camshafts when milling with crossed axes of the tool and part is proposed. Single-setup milling of camshafts, which are widely used in a...
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K. Ts. Glavatskyi,V. M. Proskurnia
Pág. 86 - 89
Values of resistance to the movement and turn of tractor on the caterpillar motion of making more compact machine, calculated on the offered method, less approximately twice from got with the use of help recommendations, as refined data are used.
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Shu-qi Wang, Ying Zhang, Yang-yang Xie, Gang Xu, Kun Liu and Yuan Zheng
To take advantage of the high tidal current velocity near the free surface, the horizontal axis turbine is installed, which inevitably causes hydrodynamic characteristics to effect the turbine by the waves. In this article, we established a numerical cal...
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Hans van Haren
A pressure sensor, located for four months in the middle of a 1275 m-long taut deep-ocean mooring in 2380 m water depth above a seamount with sub-surface top-buoys and seafloor anchor-weight, demonstrates narrow-band spectral peaks of deterministic well-...
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Shenghao Ye, Xinyu Xue, Shuning Si, Yang Xu, Feixiang Le, Longfei Cui and Yongkui Jin
Although there are existing interplant weed control devices for soybeans, they mostly rely on image recognition and intelligent navigation platforms. Simultaneously, automated weed control devices are not yet fully mature, resulting in issues such as hig...
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Ibrahim Furkan Ince
Human activity recognition (HAR) has been an active area in computer vision with a broad range of applications, such as education, security surveillance, and healthcare. HAR is a general time series classification problem. LSTMs are widely used for time ...
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Nicola Pranno, Francesca De Angelis, Sara Giulia Fischetto, Edoardo Brauner, Mirko Andreasi Bassi, Annalisa Marrapese, Gerardo La Monaca, Iole Vozza and Stefano Di Carlo
Bone density at the implant site is correlated to the success of osseointegration. The objective of this in vitro study was to evaluate the efficacy of osseodensification burs in increasing bone density using a solid polyurethane foam block model. The os...
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Jinkang Jiao, Lian Hu, Gaolong Chen, Chaowen Chen and Ying Zang
Weeds in paddy fields can seriously reduce rice yield. An intra-row weeding device with double-layer elastic rods was designed, considering the differences in mechanical properties between rice and weeds, which can press weeds into the soil and avoid dam...
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Weijian Liu, Shan Zeng and Xuegeng Chen
To promote the germination of rice panicles during the regeneration season, it is necessary to ensure a stubble height of 300?450 mm when mechanically harvesting the first-season rice. However, due to variations in the depth of the paddy soil and fluctua...
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Shouyin Hou, Donghui Xue, Bingcheng Cao, Haitao Chen and Yongjun Han
In northeast China, most seedbed-preparation devices use the ground-wheel profiling method to ensure their operational stability. However, during the wide-width operation of the front-mounted seedbed-preparation device, the poor trafficability characteri...
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Yiwen Yuan, Jiayi Wang, Xin Zhang and Shuhong Zhao
Strip tillage is a widely used land preparation approach for effective straw management in conservation agriculture. Understanding the dynamic throwing process during the stubble-crushing operation has important implications for seedbed preparation. Howe...
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Shouyin Hou, Shengzhe Wang, Zhangchi Ji and Xiaoxin Zhu
Conservation tillage technology can reduce wind erosion and soil erosion, improve soil fertility, avoid straw burning and relieve ecological pressure. It is an important measure to achieve sustainable agricultural development. In northeast China, there i...
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A. Rashkovan, S.D. Amar, U. Bieder and G. Ziskind
The present paper provides a physically sound numerical modeling of liquid flows experimentally observed inside a vertical circular cylinder with a stationary envelope, rotating bottom and open top. In these flows, the resulting vortex depth may be such ...
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Junwei Liu, Zhen Guo, Na Zhu, Hui Zhao, Ankit Garg, Longfei Xu, Tao Liu and Changchun Fu
Foundations for offshore wind turbines (OWTs) are mainly open-ended piles that are subjected to cyclic loadings caused by winds, waves and currents. This study aims to investigate the dynamic responses of open-ended pipe pile under lateral cyclic loading...
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Elizaveta Khimchenko and Alexander Ostrovskii
The article presents observations of near-inertial internal waves (NIWs) in the slope waters of the Black Sea in winter and summer. Rotary spectral analysis of a time series of sea current velocity measurements revealed the prevailing anticyclonic compon...
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Shengyang Chen, Weifeng Zhou, An-Shik Yang, Han Chen, Boyang Li and Chih-Yung Wen
Visual simultaneous localization and mapping (v-SLAM) and navigation of unmanned aerial vehicles (UAVs) are receiving increasing attention in both research and education. However, extensive physical testing can be expensive and time-consuming due to safe...
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Xiaoyang Cheng, Andrea Diambra, Erdin Ibraim, Haoyuan Liu and Federico Pisanò
Based on advanced 3D finite element modelling, this paper analyses the stress paths experienced by soil elements in the vicinity of a monopile foundation for offshore wind turbines subjected to cyclic loading with the aim of informing soil laboratory tes...
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