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Приказ резултата 61-70 од 95
Low temperature sensitivity of upconversion emission in Y2O3:Yb,Tm and Y2O3:Yb,Ho powders
(2nd International Conference on Optical, Electronic and Electrical Materials, 5-7 August 2012, Shanghai, China, 2012)
In recent years trivalent rare earth doped materials have received significant attention for optical temperature sensors. In these materials ratio of fluorescence emissions from different energy levels exhibit strong ...
Hydrothermal synthesis of magnetic nanoparticles and fabrication of magnetic composite particles using poly(L – lactide)
(Belgrade : Materials Research Society of Serbia, 2012)
Magnetic iron oxide nanoparticles ranging from 5 to 20 nm were synthesized using hydrothermal approach. Syntheses were carried out starting from non toxic chemicals at mild reaction temperatures. Different surfactants such ...
Microstructure and EDS Contact Surfaces Characterization for Statistical Analysis of Doped BaTiO3-Ceramics
(Belgrade : Serbian Ceramic Society, 2012)
Barium-titanate based ceramics belongs to one of very important group of functional ceramics that can be used on a large scale of applications. The properties of BaTiO3 based ceramics are fundamentally correlated with grain ...
From viral barriers to proton conductors – novel applications for polymeric membranes
(Belgrade, Serbia : Society of Physical Chemists of Serbia, 2012)
Novel applications for polymeric membranes which address the needs of health care industry and development of alternative energy sources are reviewed in this paper. Polyolefin membranes made by thermally-induced separation ...
Towards implementation of far background tracker for vision-based robot navigation
(IEEE, 2012)
Visual tracking of stationary points positioned at a large distance from moving robot provides a good basis for determining robot orientation and it may speed-up operation of structure from motion and navigation algorithms. ...
Bioactive composite materials in regeneration of the resorbed bone of alveolar ridges
(Belgrade : Materials Research Society of Serbia; Institute of Technical Sciences of SASA; Vinča Institute of Nuclear Sciences, University of Belgrade, 2012)
Bone loss during the systemic osteoporosis has an important role in dentistry and medicine. The aim of the study was the application of bioactive micro and nanocomposite materials, alone, and in combination with autologous ...
Examination of the influence of nanomaterials calcium phosphate/poly(DL-lactide-co-glycolide) and cobalt-exchanged hydroxyapatite on the viability of Saos-2 cells
(Belgrade : Materials Research Society of Serbia; Institute of Technical Sciences of SASA; Vinča Institute of Nuclear Sciences, University of Belgrade, 2012)
We have examined the effect of extracts of the calcium phosphate/poly(DL-lactide-co-glycolide) (CP/PLGA) and cobalt-exchanged hydroxyapatite (CoHAp), on the viability of Saos2 osteoblastlike cells. Extracts were prepared ...
Modification of the Dynamics Characteristics using a Reanalysis Procedures Technique
(Sarajevo : Faculty of Mechanical Engineering, 2012)
The present paper deals with the problem of dynamic improving characteristics for a sub-structure (bucket wheel excavator) of a complex mining structure. The procedure used in this paper is concerned with the analysis of ...
Novel Crosslinker for Photopolymerization of Proton Conducting Fuel Cell Membranes
(Singapore : Research Publishing, 2012)
Direct methanol fuel cells with polymer electrolyte membranes are of great interest in recent research. Several monomers and crosslinkers in a broad range of concentrations in water and NMP respectively were screened for ...
Hydrothermal synthesis of ZnO powders with a tailored particle morphology and improved optical characteristics
(Belgrade : Materials Research Society of Serbia, 2012)
ZnO represent one of the most important multifunctional materials. Its properties are well known and confirmed in different application areas such as: gas sensors, UV lasers, solar cells, electroluminescent and optoelectronic ...