Depletion of fossil fuels and environmental pollution has led researchers to anticipate the need to develop bio-fuels. Alcohols are an important category of bio-fuels. Methanol can be produced from coal, biomass or even natural gas with acceptable energy cost. Also, gasification of biomass can lead to methanol, mixed alcohols, and Fischer–Tropsch liquids (Chum and Overend, 2001). Ethanol is pro...

the aim of this study was to produce some of data needed for completing the iranian feed composition tables. the analyzed data in this research was from eilam range plants. the information about the range plants was collected from laboratory of animal science research institute of iran and some data was obtained from the final reports of research projects. the metabolized energy of range plants...

Environmental pollution and rapid depletion are among the chief concerns about fossil fuels such as oil, gas, and coal. Renewable energy sources do not suffer from such limitations and are considered the best choice to replace fossil fuels. The present study develops a mathematical model for optimal allocation of regional renewable energy to meet a country-wide demand and its other essential as...

recent developments in hydrogen production by thermochemical water decomposition are reported,with an emphasis on hydrogen production from non-fossil energy sources such as nuclear and solar. numerousdevelopments have been made on sulphur-iodine, copper-chlorine and other thermochemicalcycles. efforts are described to lower the temperatures required in thermochemical cycles, so as to broadenthe...

Content Analysis of Elementary School Textbooks in Terms of Covering Renewable Energy Sources     E. Saalehi Omraan, Ph.D.* M. Aabedini Beltork, Ph.D.** G. Mehralitabaar Firoozjaa’i***   The world is facing an energy crisis brought about by the ever increasing consumption of fossil fuels that leads to pollution and health problems. The renewable clean energies must b...

This paper analyzes utilization of renewable energy systems and efficient building envelopes in the semi-arid climate. The proposed model evaluates renewable energy systems solutions as well as economic- and energy-efficient construction materials for the net zero-energy buildings (NZEB) in semi-arid climates. The objective of this paper is to optimize total energy cost and environmental impact...

objective: the aim of this experiment was to determine chemical composition, protein quality of corn gluten meal (cgm) and its effect on growth performance of broiler chicks. methods: chemical composition and nitrogen corrected true metabolizable energy of cgm was determined by standard and precision-fed cockerel assay methods.  for evaluating of protein quality, 90 male broiler chicks in a com...