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Chun-Jung Huang, Jer-Rong Chang, Ting-Nung Shiau and Kuan-Hung Chen
In this paper, the tool-tip responses for ball end milling, due to the coupling effects of a flexible rotor-bearing system, are investigated numerically. The milling machine tool spindle is modelled as the flexible rotor-bearing system. The critical spee...
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Zilalai Abudouwaili, Yuhui Yang and Xiancheng Feng
The Ili Kashi River Basin is an area with relatively abundant precipitation within the arid region of Northwest China. Using water samples from atmospheric precipitation, surface water, groundwater, and snow meltwater in the basin from July 2018 to June ...
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Xinqiang Chen, Chenxin Wei, Guiliang Zhou, Huafeng Wu, Zhongyu Wang and Salvatore Antonio Biancardo
Automatic Identification System (AIS) data-supported ship trajectory analysis consistently helps maritime regulations and practitioners make reasonable traffic controlling and management decisions. Significant attentions are paid to obtain an accurate sh...
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Jiaqi Yu, Si Gao, Ling Zhang, Xinyong Shen and Luyan Guo
An extraordinary heavy rain event caused by Typhoon Mangkhut occurred in the Yangtze River Delta region on 16 September 2018, with the maximum of 24-h accumulated rainfall at a single station reaching 297 mm. However, numerical models and subjective fore...
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Basilio Lenzo and Valerio Rossi
Lap time minimisation methods have great relevance in the analysis of race tracks, and in the design and optimisation of race vehicles. Several lap time minimisation approaches have been proposed in the literature, which are computationally demanding bec...
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Mengxin Xiao, Qiongzhen Wang, Xiaofei Qin, Guangyuan Yu and Congrui Deng
The characteristics of biogenic aerosols in an urban area were explored by determining the composition and temporal distribution of saccharides in PM2.5 in Shanghai. The total saccharides showed a wide range of 9.4 ng/m3 to 1652.9 ng/m3, with the average...
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Shudao Zhou, Shuling Peng, Min Wang, Ao Shen and Zhanhua Liu
Unmanned aerial vehicle (UAV) experiments, multiple datasets from ground-based stations and satellite remote sensing platforms, and backward trajectory models were combined to investigate the characteristics and influential mechanisms of the air pollutio...
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Katarzyna Kozak, Marek Ruman, Klaudia Kosek, Grzegorz Karasinski, Lukasz Stachnik and Zaneta Polkowska
The paper presents changes in concentration levels of dioxin-like compounds that can be observed over the course of four study seasons in water samples collected from the Arctic watershed of Svalbard. The conducted analysis involved anthropogenic and nat...
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Yang Li, Jun Tao, Leiming Zhang, Xiaofang Jia and Yunfei Wu
Daily PM2.5 samples were collected at Shangdianzi (SDZ) regional site in Beijing?Tianjin?Hebei (BTH) region in 2015. Samples were subject to chemical analysis for organic carbon (OC), elemental carbon (EC), and major water-soluble inorganic ions. The ann...
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