Results 61 to 70 of about 3,789 (136)

Silica-Gelatin Composite Materials for Prolonged Desorption of Bioactive Compounds

Medžiagotyra, 2014
The set of gelatin and silica-gelatin films with incorporated bioactive compounds of different chemical nature was prepared. The swelling behavior of the films and desorption of active ingredients into aqueous media were studied.
Oksana STAVINSKAYA, Iryna LAGUTA, Inna OREL   +2 more
doaj   +1 more source

Electron Velocity Enhancement in Polarization-doped AlGaN

Medžiagotyra, 2013
Three-dimensional electron gas/slabs (3DEG/S) can be obtained using the technique of polarization bulk doping in graded AlGaN semiconductor layer on GaN.
Linas ARDARAVIČIUS, Oleg KIPRIJANOVIČ, Juozapas LIBERIS   +2 more
doaj   +1 more source

Changes in Storage Properties of Hydrides Induced by Ion Irradiation

Medžiagotyra, 2013
The influence of structural changes caused by irradiation with different ions, their energies and fluences on sorption properties has been investigated.
Jasmina GRBOVIĆ NOVAKOVIĆ, Sandra KURKO, Željka RAŠKOVIĆ-LOVRE, Sanja MILOŠEVIĆ, Igor MILANOVIĆ, Zoran STOJANOVIĆ, Radojka VUJASIN, Ljiljana MATOVIĆ   +7 more
doaj   +1 more source

Hot Consolidation of Aluminium and Aluminium nano-MMC Powders by Equal Channel Angular Pressing

Medžiagotyra, 2012
In this work novel routes for consolidating aluminum powders via Equal Channel Angular Pressing (ECAP) are investigated. Furthermore, parameters were optimized for consolidating aluminium reinforced with nanoparticles (n-SiC) and nanofibers (Carbon ...
Lauri KOLLO, Kaspar KALLIP, Jaana-Kateriina GOMON, Lembit KOMMEL   +3 more
doaj   +1 more source

Low-energy Electron Collisions with Gas-phase Thymine Molecule

Medžiagotyra, 2011
The paper presents an investigation of the negative ion formation of the thymine (T) molecule. The formation of negative ions by electron impact of this molecule is measured.
Irina V. CHERNYSHOVA, Jeno E. KONTROS, Otto B. SHPENIK, Jelena TAMULIENE, Mindaugas L. BALEVICIUS   +4 more
doaj   +1 more source

Morphology and Mechanical Properties of Low Density Polyethylene/Multi-walled Carbon Nanotubes Nanocomposites

Medžiagotyra, 2017
Low density polyethylene/multi-walled carbon nanotubes (LDPE/MWNTs) nanocomposites were manufactured with screw extrusion and injection moulding. The morphology and mechanical properties of LDPE/MWNTs nanocomposites were investigated.
Fang HUANG, Lin-jian SHANGGUAN
doaj   +1 more source

Scanning Electron Microscopy: Extrapolation of 3D Data from SEM Micrographs

Medžiagotyra, 2015
n this manuscript we suggest a three-dimensional reconstruction technique to fully characterize structural performance of solid materials. The described technique extrapolates, measures and interprets the 3-dimensional data which is extracted from SEM ...
Simonas KAREIVA, Algirdas SELSKIS, Feliksas IVANAUSKAS, Simas ŠAKIRZANOVAS, Aivaras KAREIVA   +4 more
doaj   +1 more source

Photoresponse of Metal-PbTe Structures to CO2 Laser Excitation

Medžiagotyra, 2014
We report on the investigation of photoresponse signal arising across metal-PbTe structures exposed to CO2 laser radiation. Three different metals, Al, Au, and Bi, have been used for Schottky diode-like structure fabrication.
Jonas GRADAUSKAS, Steponas AŠMONTAS, Edmundas ŠIRMULIS, Algirdas SUŽIEDĖLIS, Aurimas ČERŠKUS, Benas KUNDROTAS, Roma RINKEVIČIENĖ, Zinovy DASHEVSKY, Vladimir KASIYAN   +8 more
doaj   +1 more source

The Growth and Congregation of Minor Phase

Medžiagotyra, 2013
The growth and congregation of minor phase in immiscible Cu-Fe alloys were investigated. Results showed that the Brown motion was strongly affected by the initial number of the separated droplets.
Jun Ting ZHANG, You Hong WANG, Xiao Chao CUI, Jin Bao LIN   +3 more
doaj   +1 more source

Antibiotic prescribing trends among Belgian dentists (2014-2023) and the impact of the COVID-19 pandemic. [PDF]

Arch Public Health
Kelly M, Leroy R, Struyf T, Catry B, Catteau L.   +4 more
europepmc   +1 more source