Browsing B6 – LU institūti un aģentūras / Institutes and agencies of the UL by Title
Now showing items 209-228 of 1025
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East meets west in the 6th millennium: Mesolithic osseous tools and art from Sise on the Latvian seaboard
(Walter de Gruyter GmbH, 2021-08-25)A collection of 141 bone and antler tools and debitage pieces recovered from the River Užava at the village of Sise constitutes the largest Mesolithic osseous assemblage in western Latvia. Radiocarbon dating of 12 pieces ... -
Ecological interactions between baculoviruses and pest populations and their role in biological control
(University of Latvia. Institute of Biology, 1999) -
EDA: EXAFS data-analysis software package
(Wiley, 2021)The EXAFS data-analysis software package EDA consists of a suite of programs running under a Windows operating system environment that is designed to perform all steps of conventional EXAFS data analysis such as extraction ... -
Eduards Veidenbaums. Dzīve un daiļrade: konteksti un recepcija: rakstu krājums
(Latvijas Universitāte, 2019) -
The Effect of a Nucleation Layer on Morphology and Grain Size in MOCVD-Grown β-Ga2O3 Thin Films on C-Plane Sapphire
(MDPI, 2022)β-Ga2O3 thin films grown on widely available c-plane sapphire substrates typically exhibit structural defects due to significant lattice and thermal expansion mismatch, which hinder the use of such films in electronic ... -
Effect of Core–Shell Rubber Nanoparticles on the Mechanical Properties of Epoxy and Epoxy-Based CFRP
(MDPI, 2022)The aim of the research was to estimate the effect of core–shell rubber (CSR) nanoparticles on the tensile properties, fracture toughness, and glass transition temperature of the epoxy and epoxy-based carbon fiber reinforced ... -
Effect of DNA Aptamer Concentration on the Conductivity of a Water-Gated Al:ZnO Thin-Film Transistor-Based Biosensor
(MDPI, 2022)Field-effect transistor-based biosensors (bio-FETs) are promising candidates for the rapid high-sensitivity and high-selectivity sensing of various analytes in healthcare, clinical diagnostics, and the food industry. ... -
Effect of donor substituents on thermally activated delayed fluorescence of diphenylsulfone derivatives
(Elsevier B.V., 2019)Diphenylsulfones substituted by acridan, carbazole, phenothiazine and phenoxazine moieties were synthesized and characterized by thermal analysis, UV-, steady-state and time-resolved luminescent spectrometries, cyclic ... -
EFFECT OF ELECTRON IRRADIATION CONDITIONS ON THE EFFICIENCY OF DEFECT FORMATION IN MgAl2 O4 SPINEL
(Natsional'nyi Nauchnyi Tsentr, 2022)The efficiency of defect formation in spinel ceramics of magnesium aluminate (MgAl2O4) under electron irradiation has been determined. A strong effect of cooling on the concentration of residual defects was revealed. When ... -
The Effect of Fast Kr Ion Irradiation on the Optical Absorption, Luminescence, and Raman Spectra of BaFBr Crystals
(MDPI, 2023)In this work, using photoluminescence (PL), optical absorption (OA), Raman spectroscopy (RS), and atomic force microscopy (AFM), the radiation damage of BaFBr crystals irradiated with 147 MeV 84Kr ions to fluences (1010–1014) ... -
Effect of Ga content on luminescence and defects formation processes in Gd3(Ga,Al)5O12:Ce single crystals
(Elsevier B.V., 2018)Luminescence characteristics of Ce3+ - doped Gd3GaxAl5-xO12 single crystals with different Ga contents (x = 1, 2, 3, 4, 5) are studied in the 9–500 K temperature range. The spectra of the afterglow, photoluminescence, ... -
The effect of heat treatment on the morphology and mobility of Au nanoparticles
(Beilstein-Institut Zur Forderung der Chemischen Wissenschaften, 2020)In the present paper, we investigate the effect of heat treatment on the geometry and mobility of Au nanoparticles (NPs) on a Si substrate. Chemically synthesized Au NPs of diameter ranging from 5 to 27 nm were annealed ... -
Effect of High-Pressure Torsion on Phase Formation and Mechanical Properties of a High-Entropy TiZrHfMoCrCo Alloy
(MDPI, 2023)This investigation delved into the alterations in the mechanical properties of a TiZrHfMoCrCo high-entropy alloy due to phase transformations induced by high-pressure torsion (HPT). The alloy’s genesis involved levitation ... -
Effect of High-Pressure Torsion on Phase Formation and Mechanical Properties of a High-Entropy TiZrHfMoCrCo Alloy
(MDPI, 2023)This investigation delved into the alterations in the mechanical properties of a TiZrHfMoCrCo high-entropy alloy due to phase transformations induced by high-pressure torsion (HPT). The alloy’s genesis involved levitation ... -
Effect of in Doping on the ZnO Powders Morphology and Microstructure Evolution of ZnO:In Ceramics as a Material for Scintillators
(Sciendo, 2018)Transparent ZnO ceramics are of interest for use as material for high-efficiency fast scintillators. Doping ZnO ceramics in order to improve complex of their properties is a promising direction. In the present research, ... -
Effect of Mg2+ ions co-doping on luminescence and defects formation processes in Gd3(Ga,Al)5O12:Ce single crystals
(Elsevier B.V., 2017)Photo- and radioluminescence and thermally stimulated luminescence characteristics of Ce³⁺ - doped and Ce³⁺, Mg²⁺ co-doped Gd3(Ga,Al)5O12 (GAGG) single crystals of similar composition are investigated in the 9–500 K ... -
The effect of noise, a constant background, and bit depth on the phase retrieval of pure phase objects
(Oficyna Wydawnicza Politechniki Warszawskiej, 2021)In the current study, we investigate the effect of uniform white noise, Poisson noise and a constant background on the phase retrieval of pure phase objects. We also study the influence of the aforementioned factors on ... -
Effect of ozone treatment on the microstructure, chemical composition and sensory quality of apple fruits
(SAGE Publications Inc., 2019)The aim of this study was to assess the effect of O3 treatment on the quality of different cultivars of apples (Malus domestica Borkh.). Apples were stored for six months at different concentrations of ozone. During the ... -
Effect of Poly (Titanium Oxide) on the Viscoelastic and Thermophysical Properties of Interpenetrating Polymer Networks
(MDPI, 2021)The influence of poly(titanium oxide) obtained using the sol-gel method in 2-hydroxyethyl methacrylate medium on the viscoelastic and thermophysical properties of interpenetrating polymer networks (IPNs) based on cross-linked ... -
Effect of Post-Printing Cooling Conditions on the Properties of ULTEM Printed Parts
(MDPI, 2023)first_pageDownload PDFsettingsOrder Article Reprints Open AccessArticle Effect of Post-Printing Cooling Conditions on the Properties of ULTEM Printed Parts by Tatjana Glaskova-Kuzmina 1,2,*ORCID,Didzis Dejus 1,Jānis ...