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Denis N.
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Perfection is achieved, not when there is nothing more to add, but when there is nothing left to tak
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Portföy
Architecture & CAD
Photoshop
physics engineering / FEA / CAM ...
graphics
web design
Değerlendirmeler
Değişiklikler kaydedildi
2 değerlendirme içinden 1 - 2 arasındakiler gösteriliyor
$100,00 USD
Graphic Design
Logo Design
Photoshop
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$125,00 USD
Graphic Design
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Deneyim
physics engineer
Kas 2006 - Şu anda
- research activities upon advanced materials using advanced techniques (X-ray diffraction, small angle X-ray scattering, X-ray fluorescence spectrometry, metallographic optical microscopy etc.)
- research project design & implementation
- web design & hardware maintenance
- quality management (ISO 17025)
Assistant for the European Integration Department
Mar 2002 - Eyl 2006 (4 yıl, 6 ay)
- Co-worker in European projects and educational activities - student related;
- Editor, designer & writer for the physics engineering magazine;
- Member and mentor for the University Students League on Higher Education Quality Management
work experience student
Mar 2004 - Haz 2004 (3 ay, 1 gün)
- 3 months work experience in "Physics Engineering"
- CAD & CAM
- webdesign & hardware maintenance
- sales and market management
Eğitim
PhD student in Condensed Matter Physics
(6 yıl)
Master in Materials Science and Technology
(1 yıl)
Physics Engineer
(5 yıl)
Nitelikler
MMD course graduated
Odense Technical College (DK)
2005
MMD course graduated in:
- Multimedia Design
- Project Management
- Programming
Certificate of attendance
SPECTRO Analytical Instruments GmbH & Co. KG, Kleve, Germany
2008
Spectro Midex M:
- Analytical possibilities of X-ray spectrometry
- Fundamental theories
- Generation of sample reports
- Calibration
- Evaluation of sample reports
Master
University of Pitesti and Polytechnic Institute of Toulouse
2007
Master in Physics Engineer in the following domains:
- Advanced methods and techniques for materials investigation
- Applied Thermodynamics
- Nuclear materials
- Nanomaterials
Yayınlar
Microstructural characterization of hydroxyapatite-alendronate nanocomposites
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 12 (5), pp. 1194-1199, 2010
Hydroxyapatite (HA) is regarded to be a bioactive material and the most appropriate for repair or replacement of bone tissues since it resembles mineral component of bone and teeth. Bisphosphonates (BPs), e.g. alendronate (AL), are a class of compounds widely used for the management of disorders of bone metabolism. The approach for synthesizing nanocrystalline HA containing alendronate offers a relevant tool in view of the possible applications of these composites as biomaterials for hard tissue repair. Tak
Stress and texture in titanium nitride thin films by X-ray diffraction techniques
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 12 (5), pp. 1078-1082, 2010
In this paper we used X-Ray diffraction techniques in order to study the microstructural parameters of TiN thin films deposited on silicon substrate by cathodic arc method. In terms of preferred orientation, the texture for all TiN thin films can be described as <111> || normal direction fiber texture. The residual stresses were evaluated using the crystallite group method, applicable for specimens exhibiting a crystallographic fiber texture being simultaneously strong and sharp.
X-ray analysis of spent catalysts and recovered metals
ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL, 9 (9), pp. 1235-1241, 2010
The main aim of this research work is to investigate by the means of X-ray analysis methods the spent catalysts and the recovered valuable metals in order to prove the efficiency of the recycling process as a main environmental issue.
The materials used for analysis were spent catalyst samples based on Cu, Cr, Zn, Al, Ni, from Romanian petroleum refining industry. By hydrometallurgical route it has been recovered Ni, Al and Cu. The methods used for analysis were X-ray diffraction and X-ray fluorescence sp
Preparation of ceramic coatings on titanium formed by micro-arc oxidation method for biomedical application
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 14 (1-2), pp. 125-130, 2012.
Hydroxyapatite (HA) is regarded to be a bioactive material and the most appropriate for repair or replacement of bone tissues since it resembles mineral component of bone and teeth. Bisphosphonates (BPs), e.g. alendronate (AL), are a class of compounds widely used for the management of disorders of bone metabolism. Taking into account all these, it is important to evaluate the microstructural and morphological changes that might be induced by the synthesis process of HA-AL.
Synthesized HA-AL composites at
Solar Physical Vapor Deposition Preparation and Microstructural Characterization of TiO2 Based Nanophases for Dye-Sensitized Solar Cell Applications
Journal of Nanoscience and Nanotechnology, Vol. 12, 1-5, 2012, pp. 8746-8750(5)
Titanium dioxide exists in three crystalline phases: anatase, rutile and brookite. Although rutile is thermodynamically more stable, anatase is considered as the most favorable phase for photocatalysis and solar energy conversion. Recent studies have shown a significant improvement of light harvesting and overall solar conversion efficiency of anatase nanoparticles in dye-sensitized solar cells (DSSCs) when using a mixture of anatase and rutile phases (10-15% rutile). TiO2 nanopowders have been prepared by
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