نتایج جستجو برای: energy intensity

تعداد نتایج: 830641  

The United Nations Framework Convention on Climate Change calls on member states to reduce their greenhouse gas emissions as much as possible in order to combat global warming. Iran has announced 4 and 12 percent emission reduction targets in 2030 in its Intended Nationally Determined Contributions compared to the Business-As-Usual (BAU) scenario, in which the energy sector has the largest shar...

2014
Lin Zeng Ming Xu Sai Liang Siyu Zeng Tianzhu Zhang

The decline of China's energy intensity slowed since 2000. During 2002–2005 it actually increased, reversing the long-term trend. Therefore, it is important to identify drivers of the fluctuation of energy intensity. We use input–output structural decomposition analysis to investigate the contributions of changes in energy mix, sectoral energy efficiency, production structure, final demand stru...

Journal: :تحقیقات اقتصادی 0
داود بهبودی دانشگاه تبریز فیروز فلاحی دانشگاه تبریز اسماعیل برقی گلعذانی

the main objective of this paper is to study the relationship between the energy consumption (energy use intensity), economic growth, and co2 emission in iran. to that end, we use time series data of iran during 1967–2004. in order to examine the long-run relationship among these variables, the johanson-juselius cointegration method is used along with vecm. the main finding of this study shows ...

Journal: :J. Systems Science & Complexity 2012
Yan Xia Cuihong Yang Xikang Chen

There has been considerable debate about the major factors responsible for the dramatic decline of China’s energy intensity in the 1980s and 1990s. However, few detailed analysis has been done to explain the fluctuation in energy intensity during 2002–2005. In this paper, we use the structural decomposition analysis (SDA) to decompose energy intensity into five determining factors: Energy input...

Journal: :علوم دامی ایران 0
زهرا زنگنه دانشجوی سابق کارشناسی ارشد تغذیۀ طیور، گروه علوم دامی، پردیس کشاورزی و منابع طبیعی دانشگاه رازی، کرمانشاه، ایران سودابه مرادی استادیار، گروه علوم دامی، پردیس کشاورزی و منابع طبیعی دانشگاه رازی، کرمانشاه، ایران علیرضا عبدالمحمدی استادیار، گروه علوم دامی، پردیس کشاورزی و منابع طبیعی دانشگاه رازی، کرمانشاه، ایران

the purpose of this experiment was to investigate the effect of metabolizable energy (me) levels, feed restriction (fr) intensity and duration in pelleted diet on performance, blood parameters and carcass characteristics in broiler chickens. a total of 480 male ross 308 broilers were used in a 2×2×3 factorial arrangement with 12 treatments and 4 replicates. experimental treatments included: two...

Journal: :Annual Review of Environment and Resources 2011

Journal: :Asian Journal of Physical Education & Recreation 2004

Journal: :Energies 2022

The relationship between information and communication technology investment (ICT), environmental impacts, economic growth has received increasing attention in the last 20 years. However, ICT, energy intensity, was relatively neglected. In this paper, we aimed to contribute literature by simultaneously analyzing growth, Carbon dioxide (CO2) emissions, consumption for period of 1990–2020 G7 coun...

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