نتایج جستجو برای: clean energy

تعداد نتایج: 692008  

Journal: :International Journal of Photoenergy 2009

Journal: :Energies 2022

Energy generation from conventional energy sources, such as oil, coal, and gas, produces adverse environmental pollutants, e [...]

Journal: تعلیم و تربیت 2018
E. Saalehi Omraan, Ph.D., G. Mehralitabaar Firoozjaa’i, M. Aabedini Beltork, Ph.D.,

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...

Journal: :International Journal of Energy Research 2015

Journal: :International Journal of Ecosystem 2012

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