Diffusion of mobile terminals has induced great societal changes in China. Factors at global market, communications industry and end-user market levels are driving the adoption at a high rate. Firstly, China's economic emergence together with its accession to WTO has led to foreign investment...

This paper links communications and media usage to social and household economics boundaries. It highlights that in present day society, communications and media are a necessity, but not always affordable, and that they furthermore open up for addictive behaviors which raise additional financial...

While you refuel for gas, why not refuel for information or upload vehicle data, using a cheap wireless technology as WiFi? This paper analyzes in extensive detail the user segmentation by vehicle usage, service offering, and full business models from WiFi hot spot services delivered to and from...

An experimental investigation was conducted to evaluate the effects of using methanol as additive to biodiesel-diesel blends on the engine performance, emissions and combustion characteristics of a direct injection diesel engine under variable operating conditions. BD50 (50% biodiesel and 50%...

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We explore inherent characteristics of Tauc-Lorentz (TL) dielectric function model [Appl. Phys. Lett. <Emphasis Type="Bold">69, 371 (1996)] on the basis of relevant optical-constant data in the literature. It is found that the (single or multiple) TL model is strongly related to the one-oscillator Wemple-DiDomenico...</emphasis>