Structural change in the biofuels era

Biodiversity conservation in the era of biofuels: risks and opportunities

© The Ecological Society of America www.frontiersinecology.org E energy demands, volatile petroleum prices, and growing concerns about climate change have spurred worldwide interest in alternatives to fossil fuels. Biofuels, or fuels produced from biomass, have become a major focus of attention, because they represent a potential means of both reducing dependence on fossil fuels and lowering ne...

a structural survey of the polish posters

تصویرسازی قابلیتهای فراوانی را دارا است

Climate change, biofuels, and global food security

American Policy in Persian Gulf Region: Continuity or Change at the Trump Era

United States power in Persian Gulf has risen since the end of Second World War. Dividing U.S. presence in the Region into the Cold war and post-Cold war era, the principle policy in first period was narrowing the impact of Soviet Union in the Region and in latter, Access to Persian Gulf region’s oil and controlling the major threats which can disrupt the flow of oil to global energy market. Fo...

a synchronic and diachronic approach to the change route of address terms in the two recent centuries of persian language

terms of address as an important linguistics items provide valuable information about the interlocutors, their relationship and their circumstances. this study was done to investigate the change route of persian address terms in the two recent centuries including three historical periods of qajar, pahlavi and after the islamic revolution. data were extracted from a corpus consisting 24 novels w...