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Wei Wang, Zhaoyong Mao, Wenlong Tian and Tingying Zhang
The vortex-induced vibration (VIV) suppression of a circular cylinder with the axial-slats is numerically investigated using the computational fluid dynamics (CFD) method for Reynolds number range of 8.0 × 103?5.6 × 104. The two-dimensional unsteady Reyn...
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Haoguang Zhang, Hao Wang, Qi Li, Fengyu Jing and Wuli Chu
The aim of this research was to explore the mechanisms underlying the effect of self-circulating casing treatment with different circumferential coverage ratios on the aerodynamic performance of a transonic centrifugal compressor. A three-dimensional uns...
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Seung-Hwa Yu, Yeongho Kang and Chun-Gu Lee
Pest control is essential for increasing agricultural production. Agricultural drones with spraying systems for pest control have generated great interest among farmers. However, spraying systems installed on unmanned aerial vehicles, like any other spra...
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Tyler Parsons, Fattah Hanafi Sheikhha, Omid Ahmadi Khiyavi, Jaho Seo, Wongun Kim and Sangdae Lee
As autonomous tractors become more common crop harvesting applications, the need to optimize the global servicing path becomes crucial for maximizing efficiency and crop yield. In recent years, several methods of path generation have been researched, but...
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Ancuta Stangaciu
In this study, I aimed at analyzing the territorial structure of the international trade in Romania in 2011 on the level of each development region. Starting from the values of the export and import trade flows pertaining to each region of Romania and us...
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Abdul Aziz A. Abdul Rahman
Pág. 86 - 93
This study aims to examine the relationship between solvency ratios and profitability ratios. The study was conducted on the food industrial companies listed in Amman Bursa during the period of 2012-2014. The results revealed no relationship between the ...
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Ahmad Mohammad Obeid Gharaibeh
The current study aims to examine the determinants of the capital adequacy ratio (CAR) in the context of Jordanian banks through a literature review and analysis of empirical evidence. The aggregate data were obtained from Globaleconomy.com, the Financia...
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Jian Liu, Mengyao Xu and Wenxiong Xi
To protect turbine endwall from heat damage of hot exhaust gas, film cooling is the most significant method. The complex vortex structures on the endwall, such as the development of horseshoe vortices and transverse flow, affects cooling coverage on the ...
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Sheng-Chang Zhang, Jing-Zhou Zhang and Xiao-Ming Tan
Film cooling enhancement by incorporating an upstream sand-dune-shaped ramp (SDSR) to the film hole exit was numerically investigated on a flat plate under typical blowing ratios ranging from 0.5 to 1.5. Three heights of SDSRs were designed: 0.25D, 0.5D,...
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Xiaoqi Feng and Thomas Astell-Burt
Heavy traffic is a source of air pollution and a safety concern with important public health implications. We investigated whether green space lowers child asthma risk by buffering the effects of heavy traffic and a lack of neighborhood safety. Multileve...
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Xuan Jin, Yang Yang, Xiaomei Cao and Jinshui Wu
The variable-area pintle injector has unique geometry and spray characteristics compared to traditional coaxial injectors, and is advantageous for weight lightening and deep throttling of liquid rocket engines. To obtain an accurate prediction of the spr...
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Faiq A. Mohammed Bargarai,Adnan Mohsin Abdulazeez,Volkan Müjdat Tiryaki,Diyar Qader Zeebaree
Pág. pp. 107 - 133
The wireless communication system was investigated by novel methods, which produce an optimized data link, especially the software-based methods. Software-Defined Radio (SDR) is a common method for developing and implementing wireless communication proto...
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Wayit Abliz, Hao Wu, Maihemuti Maimaiti, Jiamila Wushouer, Kahaerjiang Abiderexiti, Tuergen Yibulayin and Aishan Wumaier
To improve utilization of text storage resources and efficiency of data transmission, we proposed two syllable-based Uyghur text compression coding schemes. First, according to the statistics of syllable coverage of the corpus text, we constructed a 12-b...
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Marina Ratova, Peter J. Kelly, Glen T. West and Lubomira Tosheva
A novel powder handling technique was used to allow the deposition of bismuth tungstate coatings onto commercial titanium dioxide photocatalytic nanoparticles. The coatings were deposited by reactive pulsed DC magnetron sputtering in an argon/oxygen atmo...
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Jiacheng Li, Hanlin Sheng, Jie Zhang and Haibo Zhang
In the coverage path planning (CPP) problem of an agricultural spraying UAV, a margin reduction algorithm was designed first to address special situations such as ditches and channels within the operational terrain. Regarding the particularity of a conca...
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Yunkai Ruan, Ranran Huo, Jinzi Chen, Weicheng Liu, Xin Zhou, Tanhua Wang, Mingzhi Hou and Wei Huang
Combined with visible light remote sensing technology and InSAR technology, this study employed the fundamental principles of the frequency ratio model, information content model, and analytic hierarchy process to assess the susceptibility of the study a...
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Xuemin Gong, Yijia Wang, Tianyu Zhan, Chenxu Wang, Changjia Li and Yanxu Liu
Grassland ecosystems are among the largest terrestrial ecosystems in China, and grazing, as an important grassland management method, has direct and indirect impacts on grassland ecosystems. Meta-analyses can be used to systematically evaluate and summar...
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Yonghong Chen, Lei Xun and Shibing Zhang
In order to decrease energy consumption caused by the dense deployment of pico base stations (PBSs) in heterogeneous cellular networks (HetNets), this paper first analyzes the energy efficiency (EE) of two-tier HetNets and then proposes a method to maxim...
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Ayodeji Michael Obadire, Vusani Moyo and Ntungufhadzeni Freddy Munzhelele
Financial institutions, particularly banks, have long grappled with the dilemma of structuring their capital optimally. This process, commonly referred to as capital structure decision-making, is of paramount importance, especially within the financial s...
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Okiemute Roberts Omasheye, Samuel Azi, Joseph Isabona, Agbotiname Lucky Imoize, Chun-Ta Li and Cheng-Chi Lee
The accurate and reliable predictive estimation of signal attenuation loss is of prime importance in radio resource management. During wireless network design and planning, a reliable path loss model is required for optimal predictive estimation of the r...
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