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Toplam kayıt 699, listelenen: 11-20
Evaluation of structural and optical properties of Mn-Doped ZnO thin films synthesized by Sol-Gel technique
(Springer, 2012)
Undoped ZnO and Mn-doped ZnO (MZO) films with 0.25, 0.50, and 0.75 mol pct were synthesized onto glass substrates by sol-gel spin-coating technique, and the effects of Mn on structural, morphologic, and optical properties ...
An investigation for potential extensions of the Karaca Cavern using geophysical methods
(Springer, 2012)
It is extremely important for regional tourism to determine the possible extensions of Karaca Cavern, one of the most important tourism destinations of the GumuAYhane province in Northeast Turkey. Cavities in karstic areas ...
A novel approach for estimation of photovoltaic exergy efficiency
(Pergamon-Elsevier Science Ltd, 2012)
In this study, a novel approach is proposed to determine the maximum amount of exergy from the sun when applied to a conventional photovoltaic (PV) system in order to formulate its exergy efficiency. the variations of ...
Fuzzy logic controlled parallel connected synchronous buck DC-DC converter for water electrolysis
(Taylor & Francis Ltd, 2013)
In this paper, a Fuzzy Logic Controlled parallel connected synchronous buck DC-DC converter for water electrolysis system is presented. General design of a fuzzy logic controller, based on Matlab/Simulink is performed. ...
Sustainable assessment of solar hydrogen production techniques
(Pergamon-Elsevier Science Ltd, 2012)
This study addresses some technical issues related to solar hydrogen production methods. in this regard, exergy-based environmental and sustainability parameters are applied to an electrolysis process for hydrogen production. ...
IGECVI-special issue-Energy and exergy modeling of advance energy systems
(Pergamon-Elsevier Science Ltd, 2012)
Dear Colleagues,
Energy and exergy are unifying concepts that extend all sciences, and are of fundamental importance in issues of climate change and environment, and use of energy resources. Exergy analysis is a powerful ...
Green hydrogen and fuel cell systems
(Wiley-Blackwell, 2013)
This special issue consists of original, peer-reviewed articles,
most of which were presented at the Sixth International
Green Energy Conference (IGEC-6), held in Eskisehir,
Turkey, on 5–9 June 2011.
Determination of natural radioactivity levels of some concretes and mineral admixtures in Turkey
(Asian Journal of Chemistry, 2014)
Nine concrete samples with or without mineral admixtures have been analyzed for their naturally occurring radionuclide of Ra-226, Th-232 and K-40 using HPGe gamma spectrometry. Also, concrete raw materials such as aggregate, ...
Optical and structural properties of bismuth doped ZnO thin films by sol-gel method: urbach rule as a function of crystal defects
(Polish Acad Sciences Inst Physics, 2014)
Bismuth (Bi) doped zinc oxide (ZnO:Bi) thin films were prepared on glass substrates by sol gel spin coating technique using homogeneous precursor solutions, and effects of Bi doping on the structural and optical properties ...
Solutıon of a recedıng contact problem usıng an analytıcal method and a fınıte element method
(Mathematical Science Publ, 2014)
In this study, a receding contact problem for two elastic layers supported by a Winkler foundation is handled using two different methods such as an analytical method and a finite element method. Firstly, the problem is ...