Comfort and safety of railway transport has become Glitter Coffee Mug more important as train speeds continue to increase.In electrified railways, the electrical current of the train is produced by the sliding contact between the pantograph and catenary.The quality of the current depends on the reliability of contact between the pantograph and cate
This paper aims to investigate the causal relationship between foreign direct investment and gross domestic savings in Bangladesh over a period of 1985-2007.In doing so, Johansen Ashtrays cointegration technique and error correction methods are employed to examine the long run and short run relationship between foreign direct investment and gross d
Global climate models show that the lapse rate feedback is a key reason for Arctic amplification of global warming.However, a proper assessment of the underlying spatial and temporal structure of the vertically non-uniform temperature change is still lacking.In this study we use the output from several CMIP5 climate models to investigate the Arctic
Introduction It is well-known that university students experience high levels of mental health problems (1).University life presents changes and challenges that can be stressful and may affect the mental health of its community (2,3).More than 20 years ago, the Social Affairs Service (SAS) of the University of Salamanca started a program that ensur
It is of great significance to study the aerodynamic interference characteristics and the motion law of the airborne buoy during the launching process for the design of the safe launching scheme of the airborne buoy.Computational fluid dynamics (CFD) methods are used to simulate the release process of airborne buoy in reconnaissance and strike inte