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Afișează articolele 1321-1330 of 1945
Funcţional Model of Savonius Type Vertical Axis Wind Turbine With Periodic Coupling of Adjacent Vertical Blades
(Universitatea "Dunărea de Jos" din Galaţi, 2014)
The field of HAWT (Horizontal Axis Wind Turbines) regarding the use of wind
energy (WE) as a renewable energy source (RES) is well researched and the results
are covering both the power range and efficiency. Deficiencies ...
Photocatalytical Activities of Manganese Doped Zinc Oxide Nanoparticles prepared by Sol-gel Method
(Universitatea "Dunărea de Jos" din Galați, 2013)
In the last period, ZnO and doped ZnO nanoparticles are intensively
investigated for their photocatalytic properties. This paper reports on ZnO and Mndoped
ZnO nanoparticles obtained by modified sol-gel method. Were ...
Policies for Economic Efficiency. Providing utilities in Public Administration
(Universitatea "Dunărea de Jos" din Galaţi, 2014)
The reality of the contemporary world has shown that there is an increasing
interdependent power often turned into political pressure. Today, in Europe 25% of
the imports of natural gas come from Russia. Therefore, ...
Experiments on Ballistic Tests for Improving Performance of a Neutralizing Gas Dynamics System
(Universitatea "Dunărea de Jos" din Galați, 2014)
Neutralizing improvised explosive devices (handmade) by mechanical
separation of the elements which are part of their composition can be achieved by
the following methods:
- generation of shock waves by means of the ...
Experiments on Ballistic Tests for Improving Performance of a Neutralizing Gas Dynamics System
(Universitatea 'Dunărea de Jos" din Galaţi, 2014)
Neutralizing improvised explosive devices (handmade) by mechanical
separation of the elements which are part of their composition can be achieved by
the following methods:
- generation of shock waves by means of the ...
Analysis Frequencies of a Vibration-Type Structure Hall
(Universitatea "Dunărea de Jos" din Galaţi, 2014)
Its main purpose was to identify natural vibration frequencies for a
warehouse type structure in order to avoid resonance phenomena of the structure.
The analysis is performed using the finite element analysis module of ...
Assessment of Blast Furnace slag Transformation Into value Added by-Products on Basis on Knowledge of Slag Characteristics
(Universitatea "Dunărea de Jos" din Galați, 2012)
Slags are the main by-products generated during iron and crude steel
production and the steel industry is committed to increasing and improving their
recycling. Today the quantity of slag produced and its utilization are ...
Synthesis and Characterisation of Ag/SnO2/Clay Nanocomposites with Potential Application as Photocatalysts
(Universitatea "Dunărea de Jos" din Galați, 2012)
This work reported a novel synthesis and characterization of Ag/SnO2/clay
nanocomposites. The obtained materials were characterized using techniques such
as X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy, ...
Some Aspects Regarding the Influence of Tribologycal Factors on the Superficial Layers of Steels Treated with Plasma Nitriding
(Universitatea "Dunărea de Jos" din Galați, 2012)
Some 38MoCrAl09 (SAE 4038) steel grade samples were subjected to plasma
nitriding treatment regimes. The structural and diffractometric aspects of the
superficial layers of the steel are studied after the wear tests by ...
Choosing and Using Rationally the Thermic Processed Steels
(Universitatea "Dunărea de Jos" din Galați, 2012)
On a global scale one can notice a constant preoccupation for a rational
choosing and using of the materials on the whole and, especially of the steels with
the main objective the increase of the machines’, equipment’ ...