نتایج جستجو برای: residential and commercial sectors
تعداد نتایج: 16847815 فیلتر نتایج به سال:
Background and Objectives: The commercial layer chicken farming is one of the most important sectors of the poultry industry. This study was conducted to evaluate the status of biosecurity of commercial layer chicken farms in 9 Iranian provinces with the highest layer chicken population. Methods: In this cross-sectional study, 202 commercial layer chicken farms were selected from nine Irani...
Concentrations of polybrominated diphenyl ethers (PBDEs) were determined in air samples from near a large outdoor automotive shredding and metal recycling facility and the surrounding local area. This was done using a combination of active air samplers (AAS) measuring particle–associated and vapor–phase compounds, and, for the first time, passive air samplers (PAS) consisting ...
With energy resource scarcity and energy crisis in the world, energy efficiency has become a subject of great importance. In warm and humid climates as well as cold and mountainous ones, annual energy consumption is too high to achieve desirable living conditions in built environments, and hence energy efficiency measures and practices in such buildings is of utmost priority. Given the direct r...
the price of oil plays an important role in the global economy and is an important factor influencing the government and commercial sectors. because of increasing importance of oil in financial markets, oil price predictions have always been an important subject for the researchers in economics, and other economic agents. this paper tries to study the behavior of crude oil prices based on smoot...
Economic growth, energy prices, technological innovations, and financial depth all play a vital role in sectoral consumption. Early studies have extensively examined the interactions among these variables, which are important developing policies on However, to date, most estimated consumption linear fashion. If actual relationship is non-linear or asymmetric, then inferences drawn from framewor...
The penetration of renewable energies is increasing in power systems all over the world. volatility and intermittency pose real challenges to energy systems. To overcome problem, demand-side flexibility a practical solution demand sectors, including residential, commercial, agricultural, industrial sectors. This paper provides comprehensive review response opportunities energy-intensive industr...
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