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Afișează articolele 331-340 of 1945
Neutralization of Hazardous Waste in Vitreous Mass of Glass
(Universitatea "Dunărea de Jos" din Galaţi, 2012)
The paper presents studies concerning the neutralization of hazardous waste
containing metal ions by embedding them in vitreous matrix which are chemically
stable materials. The main analysed factors are: chemical ...
The Dental Technology in Art Foundry
(Universitatea "Dunărea de Jos" din Galaţi, 2012)
The paper presents results of a study undertaken to implement the dental
casting technique of small parts characterized by extremely complex drawings of
surfaces and thicknesses reduced specific objects. During the study ...
Aluminum Foams with Closed Pores Obtained by Casting Techniques
(Universitatea 'Dunărea de Jos" din Galați, 2012)
Techniques for the preparation of metallic foams, including casting, powder
metallurgy and metallic deposition, have been reviewed. There is a present interest
in the development of materials capable of plastic deforming ...
Influence of Micro Glass Beads Added in PBT Matrix on the Mechanical Properties of Composites
(Universitatea "Dunărea de Jos" din Galaţi, 2012)
This paper presents the influence of adding materials (micros glass spheres)
in a matrix of PBT on several mechanical properties: elasticity modulus, stress at
break , elongation at break, energy at break.
The mechanical ...
Investigation of Corrosion Protection by Chemically Applied Patina on Artistic Bronzes
(Universitatea "Dunărea de Jos" din Galaţi, 2012)
Increase of pollution in recent years, requires monitoring of the corrosion
behavior of artistic bronzes coated with syntetic patina, in urban atmosphere.
This present work aims to investigate the corrosion rezistance ...
The Corrosion Behaviour of Aluminum Alloy 2024-T3 in Acidic Environments
(Universitatea "Dunărea de Jos" din Galaţi, 2012)
This research aimed at analysing the acidic corrosion behavior of aluminum
alloy 2024-T3 commonly used in the aerospace. We study the variation of corrosion
rate with immersion time at different values of H2SO4 concentration ...
Study for Evaluation and Optimization of Mineral Composition and Structure of Iron Ore Granulation in Sintering Process
(Universitatea "Dunărea de Jos" din Galaţi, 2012)
The characterization of iron ore particles is of vital importance for the study
of mineral composition. The specific surface area of iron ore particles can be
measured by laser diffraction, and mathematical models (based ...
Improvement of Properties of Heavy Plates by Secondary Steelmaking Technologies and Rolling Conditions
(Universitatea "Dunărea de Jos" din Galați, 2013)
In order to obtain the mechanical and technological characteristics required
for controlled rolled plates it is necessary to realize a very low content of sulphur
by desulphurized mixtures using CaO-Al2O3-CaF2 and injection ...
Physico-Chemical Water Treated with Sonic Generatir and Al2(SO4) Coagulant
(Universitatea "Dunărea de Jos" din Galaţi, 2012)
This paper is a study on the problem of using ultrasound in the treatment of
raw water. It highlights the effect of ultrasounds produced by the experimental
sonic ultrasound generator through the physico-chemical analysis ...
The Pre-Biblical Metallurgical ART on the Biblical Territory
(Universitatea "Dunărea de Jos" din Galați, 2013)
The Old Testament describes in detail the metallurgical achievements, both in
the period before the conquest and colonization of the promised land (mostly
related to the manufacturing of the Tabernacle, in this sense, ...