منابع مشابه
comparative analysis of the use of hedges & emphatics in english and persian academic research articles of sociology & psychology
چکیده ندارد.
15 صفحه اولReflection on the Effective Causes of Research Malfunctions in Iranian Universities and Higher Education Institutions.
Research is a systematic, controlled empirical and critical study for the discovery of the relationships between phenomena. It also presents various hypotheses, and seeks to achieve a specific purpose and action. It emphasizes the welfare and prosperity of everyone. Undoubtedly, researches should meet the country's scientific and technological needs and generate wealth. But the events in higher...
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Besides the second generations bio fuels, one of the most promising products is the bio gas oil, which is a high iso-paraffin containing fuel, which could be produced by the catalytic hydrogenation of different triglycerides. To broaden the feedstock of the bio gas oil the catalytic hydrogenation of waste lard over sulphided NiMo/Al(2)O(3) catalyst, and as the second step, the isomerization of ...
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The world is confronted with the twin crises of fossil fuel depletion and environmental degradation. The indiscriminate extraction and consumption of fossil fuels have led to a reduction in petroleum reserves. Alternative fuels, energy conservation and management, energy efficiency and environmental protection have become important in recent years. The increasing import bill has necessitated th...
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Hydrogen is a valuable gas as a clean energy source and as feedstock for some industries. Therefore, demand on hydrogen production has increased considerably in recent years. Electrolysis of water, steam reforming of hydrocarbons and auto-thermal processes are well-known methods for hydrogen gas production, but not cost-effective due to high energy requirements. Biological production of hydroge...
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ژورنال
عنوان ژورنال: International Journal of Research in Engineering and Technology
سال: 2014
ISSN: 2321-7308,2319-1163
DOI: 10.15623/ijret.2014.0323045