2.15 billion mobile phone users in the world and there are 50 million subscribers in Pakistan. The more mobile devices are sold, the more mobile services are developed and downloaded. Location Based Services (LBS) is one of those popular technologies. It provides valuable information based on user's location such as nearest gas station for drivers and nearest ATM in the vicinity, road route sel...

Gas-particle interactions above a Dutch heathland: I. Surface exchange fluxes of NH3, SO2, HNO3 and HCl E. Nemitz, M. A. Sutton, G. P. Wyers, and P. A. C. Jongejan Atmospheric Sciences, Centre for Ecology and Hydrology (CEH), Edinburgh Research Station, Bush Estate, Penicuik, Midlothian, EH26 0QB, Scotland Energy Research Centre of the Netherlands (ECN), Postbus 1, 1755 Petten ZG, The Netherlan...

The exergy analysis is a proper method for performance evaluation of industrial systems. A generic and detailed analysis of the GPCSs on the second gas pipeline of Iran  is made by the means of exergy. The two main improvement measures of fuel pre-heating and steam injection technologies are presented for the current conventional stations. Steady state equations regarding the second law of ther...