نتایج جستجو برای: energy intensity
تعداد نتایج: 830641 فیلتر نتایج به سال:
In this research, a pilot study and analysis of an innovative multi-channel photovoltaic/thermal (MCPV/T) system in a geographic location (35° 44' 35'' N, 50° 57' 25'' E) has been carried out. This system consists of integrating a photovoltaic panel and two PV/T heat-sink converters. The total electrical, exergy and energy efficiencies of the system at air flow rate of 0.005 kg/s and radiation ...
issues related to environment are one of the most important issues the communities are facing with in the recent decades. on the other hand, the resource scarcity and the necessity of development for iran and other similar countries makes the issue of efficiency as a solution of the environmental crisis important. in this study, the effects of the variables energy intensity (as one of the most ...
Xinjiang’s industrial sector accounted for more than 80% of the total energy-related carbon emissions. A further understanding of each industrial sub-sector’s carbon intensity is very necessary to make differentiated policies and measures. This paper applied index decomposition analysis and attribution analysis to examine the influencing factors and each sub-sector’s contributions to the change...
The rcnccted beam intensity as a lunctlon of dcclron energy ( lIE curve) is studied for an ideal (001) Ni surface by low energy electron diffraction (LEED). Double layer method, rcnormalized forward scattering (RFS) and quasi-dynamic method arc used for lIE curves calculation. The role of structural and nonstructural parameters of Ni on lIE curves is examined. The crfect or the optical p...
Historical experience shows that the economy-wide energy intensity develops nonmonotonically like an inverted U, which still lacks direct theoretical explanations. Based on a model of structural change driven by technological differences, this paper provides an attempt to explore the underlying mechanisms of energy intensity change and thus to explain the above empirical regularity accompanied ...
Because overall energy consumption intensity in China’s manufacturing industry is extremely high, the study of energy efficiency in that industry, with an analysis of the policy impacts of energy intensity reduction and other key factors, will no doubt improve energy utilization in the industry and stimulate sustainable development within it. This paper uses 2004–2014 panel data of 28 manufactu...
Constructing an indicator to measure the effectiveness of energy management is important for energy agencies and authorities. This paper uses multiple linear regression method and data envelopment analysis to examine the effectiveness of energy management. First, the regression method using environmental factors is used to calculate the predicted energy usage intensity of each evaluated buildin...
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