Results 1 to 10 of about 7,572,707 (304)

Structural, Dielectric, and Mechanical Properties of High-Content Cubic Zirconia Ceramics Obtained via Solid-State Synthesis

open access: yesApplied Sciences, 2023
In this work, the structural, electrical, and mechanical properties and phase composition of high-content cubic zirconium oxide ceramics stabilized with Ca were investigated.
Sholpan G. Giniyatova   +5 more
doaj   +1 more source

Study of the Phase Formation Processes and Their Influence on the Change in the Optical and Shielding Characteristics of 0.25ZnO–0.25Al2O3–0.25WO3–0.25Bi2O3 Ceramics

open access: yesCeramics, 2023
The phase formation processes in 0.25ZnO–0.25Al2O3–0.25WO3–0.25Bi2O3 ceramics with variation in the thermal annealing temperature were evaluated in this study. According to the obtained data on the phase composition dependent on the annealing temperature,
Aibek S. Seitbayev   +3 more
doaj   +1 more source

iMAP: A Web Server for Metabolomics Data Integrative Analysis

open access: yesFrontiers in Chemistry, 2021
Metabolomics data analysis depends on the utilization of bioinformatics tools. To meet the evolving needs of metabolomics research, several integrated platforms have been developed. Our group has developed a desktop platform IP4M (integrated Platform for
Di Zhou   +6 more
doaj   +1 more source

Effects of Structural Radiation Disorder in the Near-Surface Layer of Alloys Based on NbTiVZr Compounds Depending on the Variation of Alloy Components

open access: yesCrystals, 2023
This research investigated how changes in the composition of Nb–Ti–V–Zr-based alloys affect their resistance to radiation damage and the preservation of strength characteristics when exposed to the heavy ions Kr15+ and Xe23+.
Sholpan G. Giniyatova   +6 more
doaj   +1 more source

Dynamics of Radiation Damage in AlN Ceramics under High-Dose Irradiation, Typical for the Processes of Swelling and Hydrogenation

open access: yesCrystals, 2020
The use of nitride ceramics, in particular AlN, as structural materials for nuclear power is primarily limited by their resistance to swelling and hydrogenation processes due to the accumulation of poorly soluble helium and hydrogen ions in the structure
Artem L. Kozlovskiy   +4 more
doaj   +1 more source

Primary vaginal stone associated with vesicovaginal fistula: A case report

open access: yesUrology Case Reports, 2022
Vesicovaginal fistula with stone is an infrequent condition; therefore, it can be often misdiagnosed. The formation of vaginal stones is mainly due to urinary stasis and infection.
T.A. Kurmanov   +5 more
doaj   +1 more source

Study of Polymorphic Transformation Processes and Their Influence in Polycrystalline ZrO2 Ceramics upon Irradiation with Heavy Ions

open access: yesCeramics, 2023
The aim of this work was to study the mechanisms of polymorphic transformations in ZrO2 ceramics under irradiation with heavy ions, as well as to determine the nature of structural distortions in the case of t-ZrO2 → c-ZrO2 type transformations and ...
Artem L. Kozlovskiy   +2 more
doaj   +1 more source

Formation of Stable Lithium-Containing Ceramics Using Solid-Phase Synthesis Method

open access: yesCrystals, 2021
Today, one of the most promising materials for a wide range of practical applications is lithium-containing ceramics based on Li2TiO3. At the same time, despite the high potential of their practical application, a number of questions remains related to ...
Dmitriy I. Shlimas   +2 more
doaj   +1 more source

Study of Phase Transformations and Hyperfine Interactions in Fe3O4 and Fe3O4@Au Nanoparticles

open access: yesNanomaterials, 2022
The paper presents the results of a study of iron oxide nanoparticles obtained by chemical coprecipitation, coated (Fe3O4@Au) and not coated (Fe3O4) with gold, which were subjected to thermal annealing.
Vyacheslav S. Rusakov   +7 more
doaj   +1 more source

TRECVID: benchmarking the effectiveness of information retrieval tasks on digital video [PDF]

open access: yes, 2003
Many research groups worldwide are now investigating techniques which can support information retrieval on archives of digital video and as groups move on to implement these techniques they inevitably try to evaluate the performance of their techniques ...
Alan F. Smeaton   +2 more
core   +3 more sources

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