2.126   Artículos

 
en línea
Bright Kwakye-Awuah, Baah Sefa-Ntiri, Elizabeth Von-Kiti, Isaac Nkrumah and Craig Williams    
Ground water samples from residential homes in three Regions of Ghana: Central, Greater Accra and Ashanti, were analyzed for iron and manganese contamination. The samples were exposed to characterized zeolite Y by X-ray diffraction, scanning electron mic... ver más
Revista: Water    Formato: Electrónico

 
en línea
Chenxi Zhang, Zhongfa Zhou, Changli Zhu, Quan Chen, Qing Feng, Meng Zhu, Fang Tang, Xiaopiao Wu, Yan Zou, Fuxianmei Zhang, Jiajia Zheng and Ting Yu    
Exploring the evolution of livelihood patterns of farm households relocated for poverty alleviation in three prefectures of Guizhou Province, China, can provide a theoretical basis and practical value for achieving sustainable livelihoods of relocated fa... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Tian Lan, Zhiwei Wu, Chenzhen Sun, Donglin Cheng, Xing Shi, Guangjun Zeng, Hong Zhang and Qian Peng    
Schematization is a process of generating schematic network maps (e.g., metro network maps), where the graphic complexity of networks is usually reduced. In the past two decades, various automated schematization methods have been developed. A quantitativ... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Bartosz Opitek, Pawel L. Zak, Janusz Lelito and Vincent Vignal    
A model of α" role="presentation" style="position: relative;">??a a -Mg grain growth in an amorphous Mg72" role="presentation" style="position: relative;">Mg72Mg72 Mg 72 Zn28" role="presentation" style="position: relative;">Zn28Zn28 Zn 28 allo... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Omkar Walvekar and Satyanarayanan Chakravarthy    
A conceptual framework is presented to determine the improvement in the aerodynamic performance of a canard aircraft fitted with distributed propellers along its main wing. A preliminary study is described with four airframe?propeller configurations pred... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Andrea Adriani, Stefano Serra-Capizzano and Cristina Tablino-Possio    
We consider the Helmholtz equation and the fractional Laplacian in the case of the complex-valued unbounded variable coefficient wave number μ" role="presentation" style="position: relative;">??µ µ , approximated by finite differences. In a rec... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Yunkang Du and Zuoliang Xu    
In this paper, we recover the European option volatility function σ(t)" role="presentation">??(??)s(t) s ( t ) of the underlying asset and the fractional order α" role="presentation" style="position: relative;">??a a of the time fra... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Filippo Orazi, Simone Gasperini, Stefano Lodi and Claudio Sartori    
Quantum computing has rapidly gained prominence for its unprecedented computational efficiency in solving specific problems when compared to classical computing counterparts. This surge in attention is particularly pronounced in the realm of quantum mach... ver más
Revista: Information    Formato: Electrónico

 
en línea
Michael Mayerhofer, Stefan Brenner, Michael Doppler, Luis Catarino, Stefanie Girst, Vesna Nedeljkovic-Groha and Günther Dollinger    
The enormous potential of additive manufacturing (AM), particularly laser powder bed fusion (L-PBF), to produce radiofrequency cavities (cavities) has already been demonstrated. However, the required geometrical accuracy for GHz TM010" role="presentation... ver más
Revista: Instruments    Formato: Electrónico

 
en línea
Siqi Wang, Zhenghao Lu, Kunpeng Xu, Hongguang Dai, Zhanxia Wu and Xiaopeng Yu    
A novel low-power MOS-only voltage reference is presented. The Enz?Krummenacher?Vittoz (EKV) model is adopted to provide a new perspective on the operating principle. The normalized charge density, introduced as a new variable, serves as an indicator whe... ver más
Revista: Journal of Low Power Electronics and Applications    Formato: Electrónico

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