نتایج جستجو برای: power performance

تعداد نتایج: 1453809  

2013
Ralf Buckley

Many independent nations with strong tourism economies have colonial pasts. In parts of Africa and Asia, former colonial powers have left post-colonial legacies of language, buildings, trade and diplomatic links, and government bureaucratic structures (Ashcroft, Griffiths, & Tiffin, 2007; Sharp, 2009; Zein-Alabdin, 2009). There are also strong postcolonial influences on tourism (Carrigan, 2011;...

2011
Ali al-Nowaihi Sanjit Dhami

All models in Law and Economics use punishment functions (PF) that incorporates a trade-off between probability of detection, p, and punishment, F . Suppose society wishes to minimize the total costs of enforcement and damages from crime, T (p, F ). For a given p, an optimal punishment function (OPF) determines an F that minimizes T (p, F ). A popular and tractable PF is the hyperbolic punishme...

2015
Qing-Chao Liu Ji-Jing Xu Dan Xu Xin-Bo Zhang

Although flexible power sources are crucial for the realization next-generation flexible electronics, their application in such devices is hindered by their low theoretical energy density. Rechargeable lithium-oxygen (Li-O2) batteries can provide extremely high specific energies, while the conventional Li-O2 battery is bulky, inflexible and limited by the absence of effective components and an ...

2010
Catalin Mihai Sorin Abagiu Larisa Zoitanu Elena Helerea

The assurance of power quality depends on factors which influence the performances of the availability: the reliability and its support – the maintenance. This paper deals with the interactions between the indicators of reliability, maintenance, availability and with the methods for the calculation of the reliability indicators. For an overhead line of 110 kV the characteristics of the reliabil...

1996
Fabien Coelho

As High Performance Fortran (HPF) is being both developed and redesigned by the HPF Forum, it is important to provide comprehensive criteria for analyzing HPF features. This paper presents such criteria related to three aspects: adequacy to applications, aesthetic and soundness in a language, and implementability. Some features already in HPF or being currently discussed are analyzed according ...

2011
Fatima Messaoudi Mohamed Benyettou

Résumé — L’identification par la biométrie multimodale consiste à combiner plusieurs systèmes biométriques, elle permet de réduire certaines limitations des systèmes basés sur une seule modalité tout en améliorant de manière significative leurs performances. Dans cet article, des systèmes d’identification multimodaux sont implémentés en combinant les informations issues de deux sources biométri...

2007
WILLIAM D. NORDHAUS

The present study analyzes computer performance over the last century and a half. Three results stand out. First, there has been a phenomenal increase in computer power over the twentieth century. Depending upon the standard used, computer performance has improved since manual computing by a factor between 1.7 trillion and 76 trillion. Second, there was a major break in the trend around World W...

2010
Adel A. Elbaset

This paper presents a proposed three-Dimensional (3D) computational electrochemical simulation model for simulation and evaluation performance of Polymer Electrolyte Membrane (PEM) fuel cell. The proposed model is used to predict the output voltage, efficiency, hydrogen supply and study the transient response of PEM power plant when subjected to variable load connected to it. Additionally, the ...

Recently, the frequency and severity of natural and man-made disasters (extreme events), which have a high-impact low-frequency (HILF) property, are increased. These disasters can lead to extensive outages, damages, and costs in electric power systems. A power system must be built with “resilience” against disasters, which means its ability to withstand disasters efficiently while ensuring the ...

Heydar Sadeghi, Hossein Nabavi Nik, Mohsen Ali Darchini,

Core stability (CS) is a popular term that has evolved into a fundamental concept the much rehabilitation, performance training and preventative programs. The purpose of this study is considering the relationship between CS power and endurance with performance of adolescence athletes. 12 male swimmers participated in the study. McGill Protocol, the core stability power, MBESTT and 30/60 sit-up ...

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