نتایج جستجو برای: the energy crisis

تعداد نتایج: 16185527  

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه مواد و انرژی - پژوهشکده سرامیک 1392

thermal barrier coatings (tbcs) are used to provide thermal insulation to the hot section components of gas turbines in order to enhance the operating temperature and turbine efficiency. hot corrosion and thermal shocks are the main destructive factors in tbcs which comes as a result of oxygen and molten salt diffusion into the coating. in this thesis atmospheric plasma spraying was used to dep...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه دانشهای بنیادی (مرکز تحقیقات فیزیک نظری و - پژوهشکده علوم نانو 1392

among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...

2007
Wu-Chun Feng Kirk W Cameron Virginia Tech

38 Computer P u b l i s h e d b y t h e I E E E C o m p u t e r S o c i e t y puters too unreliable for application scientists to use. Unfortunately, building exotic cooling facilities can cost as much as the supercomputer itself, and operating and maintaining the facilities costs even more. As “The Energy-Efficient Green Destiny” sidebar details, the low-power supercomputer that we developed w...

Journal: :Samfundsøkonomen 2023

The energy crisis in the post-pandemic era seems to add new dimensions policy many developed countries. spectrum of factors determining poverty ranges from sociological psychological issues, far beyond economics. Ukraine- Russia war proved that even international relations could determine number households with difficulty accessing services properly. Thus, Denmark be among those countries facin...

Journal: :Solar RRL 2023

The slight decrease in global energy consumption triggered by the pandemic 2020 came to a premature end with Russia's invasion of Ukraine. This war has led further deterioration post-pandemic world economy and sparked crisis Europe at its center. Significant disruptions trade, food insecurity many developing economies, price shocks are all contributing high inflation main challenges tackle. One...

Journal: :Materials Today 2009

ژورنال: Archives of Hygiene Sciences 2014
Ardjmand, Mehdi, Rajati, Fatemeh, Rajati, Hajar,

Thousands of tons of urban solid waste and human and animal waste in cities and villages of Iran have endangered the health of the environment and increased the greenhouse gases. On the other hand, the increasing trend of energy consumption has caused energy crisis phenomena in the world. Moreover, the increasing consumption of energy from fossil fuels has caused emissions from these fuels. Hen...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

armenias geopolitics and its historical experience have had a determining impact on the character of its foreign policy .present-day armenia is a small, landlocked country with _11,620 square miles area armenias landlocked nature makes it dependent on the benevolence of its neighbors for access to the outside world a fact that gives it a sense of isolation and vulnerability. as it was indic...

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