The analysis of electromagnetic field of mobile communications antennas is a very widespread method in the technology of telecommunications systems and it is closely connected with the laws in force of E.U regarding impact of these waves on human health. It makes possible the assessment of the...

The motive of importance that has been given to renewable energy throughout the world, especially over the last five years, comes from a number of reasons. These reasons roughly point to the very rapid advancement of technology in all areas of life. The growing needs for energy sources are in...