One of the efficient factors in comprehensive development of an area is to provide water sources and on the other hand the appropriate management of them. Population growth and nourishment security for such a population necessitate the achievement of constant development besides the reforming of traditional management in order to increase the profit of sources; In this case, the constant exploi...

We know that the radio electromagnetic spectrum is a natural resource and efficient usage of the inadequate natural resource is one of the greatest challenges of today’s wireless communication system just like petrol, coal and water. The efficient use of the available licensed spectrum is becoming more and more critical with increasing demand and usage of spectrum, so this is an urgent need and...

recently, the existing mechanism of the market has been considered as an efficient method for allocating water resources in some developed and developing countries. the necessary conditions to establish an efficient water market and its economic consequents must be recognized before using this method in iran. the purpose of this study is to investigate the economic consequences and present prac...

Industrial growth has accelerated the emission of various oily water from the sources such as petrochemical and metallurgical industries,transportation, & domestic sewage which contains 70% free oil,25% emulsified, 5% soluble oil. The Present work was inspired by a small note published in science reporter.Keeping the concept in mind , the subject is explored further and its application in the f...

This study aims to assess the water supply company’s tariff modification under various circumstances. To evaluate financial situation if no modifications were made, first conducted an examination of existing data. A adjustment scenario is also run through investment feasibility test and until it reaches full cost recovery (FCR). variety scenarios for run, each one with a different percentage in...

This paper presents a metaheuristic approach based on the Honey Bee Mating Algorithm (HBMA) to the problem of hydropower reservoir optimization. As shortage in power resources becomes more and more pressing, the issue of obtaining more power using less primary energy resources, in general, and less water resources, in particular, becomes an important target for the efficient usage of hydropower...