61   Artículos

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en línea
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... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
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... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
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... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
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... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
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... ver más
Revista: Studies and Scientific Researches: Economics Edition    Formato: Electrónico

 
en línea
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 ... ver más
Revista: International Journal of Economics and Financial Issues    Formato: Electrónico

 
en línea
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... ver más
Revista: International Journal of Financial Studies    Formato: Electrónico

 
en línea
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 ... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
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,... ver más
Revista: Computation    Formato: Electrónico

 
en línea
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... ver más

 
en línea
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... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
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... ver más

 
en línea
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... ver más
Revista: Information    Formato: Electrónico

 
en línea
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... ver más
Revista: Coatings    Formato: Electrónico

 
en línea
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... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
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... ver más
Revista: Water    Formato: Electrónico

 
en línea
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... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
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... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
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... ver más
Revista: International Journal of Financial Studies    Formato: Electrónico

 
en línea
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... ver más
Revista: Future Internet    Formato: Electrónico

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