نتایج جستجو برای: Renewable energies

تعداد نتایج: 84634  

The use of renewable energy reduces environmental pollution and leads to achievement of sustainable development. The current study investigates the dynamic interrelationship between sustainable development, renewable and non-renewable energies and environment nexus by applying Bayesian vector autoregression (BVAR) and impulse response functions in Iran with an annual data frequency for the time...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده مدیریت 1392

در این پایان نامه به تجزیه و تحلیل دینامیکی فرایند کارآفرینی در حوزه انرژی های نو در قالب سه زیر ساختار سرمایه گذاری، اشتغال و اقتصاد انرژی پرداخته شده است.

Journal: :international journal of smart electrical engineering 2014
zakieh tolooi hadi zayandehroodi alimorad khajehzadeh

nowadays using of new energies in the form of dispersed resources in the worlds is wide spreading. in this article we will design a dispersed production source in the form of a solar/wind hybrid power plant in order to supply the energy of a residential unit according to a sample load pattern. the aim of aforementioned design is to reduce its costs in a period of 20 years. in order to optimi...

2012
Jochen Frey Boris Brandherm Jörg Baus

An increasing number of private households are becoming producers of renewable energy. From an economic perspective it is beneficial to utilize this energy both locally and promptly. This does require the ability to be able to deal with local excess production at short notice using, for example, an electronic trading platform. In this paper we describe a future energy scenario demonstrating tec...

Journal: تعلیم و تربیت 2018
E. Saalehi Omraan, Ph.D., G. Mehralitabaar Firoozjaa’i, M. Aabedini Beltork, Ph.D.,

Content Analysis of Elementary School Textbooks in Terms of Covering Renewable Energy Sources     E. Saalehi Omraan, Ph.D.* M. Aabedini Beltork, Ph.D.** G. Mehralitabaar Firoozjaa’i***   The world is facing an energy crisis brought about by the ever increasing consumption of fossil fuels that leads to pollution and health problems. The renewable clean energies must b...

Journal: :international journal of data envelopment analysis 2014
m. lajevardi s.a. zanjanighayur

with regard to the importance of scientific decision-making in power plants prioritization to produce electrical energy (power) from renewable energies (purified), in this paper, research with specialists opinions with respond to questionnaires provided upon three efficient operational criterion in position of three presented power plant in country which used wind, solar water energies for prod...

Journal: :Renewable Energy and Environmental Sustainability 2016

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
سیده مرضیه رازقی کارشناس ارشد توسعة روستایی دانشگاه زنجان حسین شعبانعلی فمی دانشیار دانشکدة اقتصاد و توسعة دانشگاه تهران روح اله رضائی استادیار دانشکدة کشاورزی دانشگاه زنجان

the main purpose of this study was to identify driving factors of application of renewable energies in smallholder farming systems of the tafresh county. a descriptive survey method was used for collecting the data. the statistical population of the study consisted of 2470 small farmers working in the smallholder farming systems of the region, in which 300 people were selected as sample using t...

This study investigates the relationship between renewable energy consumption, agricultural value added and per capita GDP with CO2 emissions in selected countries of MENA region. The study estimates the values of cointegration amongst the selected varaiables  using panel data from selected countries for the period 1990 to 2014. The results indicated a long-run relationship between these variab...

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