In rural areas, the electricity supply is affected by problems such as low quality and limited access in some regions. The use of renewable sources, with decentralized generation, can offer an alternative to existing scenario. objective this work perform a technical economic analysis off-grid photovoltaic systems, without energy storage, intended for irrigation. Photovoltaic systems from differ...

among well-known managerial practices to protect scarce biological resources, payment for ecosystem services is an efficient and effective policy tool to manage such resources and its application is attracting a growing interest in the world. this is why, in addition to clarifying the role of such a policy tool to encourage farmers to modify their irrigation system to reduce pressures on water ...

Recently, due to the very good market in ethane as a feedstock for petrochemical complexes, there are some plans to make a deep ethane recovery from the gases produced in Iran southern fields. In this work, the feasibility of different technologies for deep ethane recovery from a specified feed gas produced in one of the Iran southern fields is reviewed. Three different processes are selected a...

there are many problems that usually r & d centers and organizations in the decision making and achieve its higher goals, are faced with.such as the density of information in the administrative departments, human resources information and facilities and equipment. the researcher had to make it investigate effective factors in improving management information systems in private banks accordi...

This paper defines a methodology for the economic feasibility analysis of floating offshore wind farm composed tensioned leg platforms, which are part EU ARCWIND research project. In this context, phases and subphases its life-cycle process considered to deal with aspects such as bathymetry, characteristics distance from shore, port speed. All costs other external parameters capital cost, elect...