Results 11 to 20 of about 56,723 (264)

Synthesis of polypyrrole-modified Fe3O4/SiO2/TiO2 nanocomposite microspheres and their photocatalytic activity

open access: yesMaterials Research Express, 2022
A polypyrrole-modified Fe _3 O _4 /SiO _2 /TiO _2 composite material was successfully synthesized on the FST surface by in situ polymerization of pyrrole.
Kwang-Hyok Han   +4 more
doaj   +1 more source

Update: Bibliometric analysis of publications from North Korea indexed in the Web of Science Core Collection from 1978 to July 2018 [PDF]

open access: yesScience Editing, 2018
This study presents an update of a previous study, ‘Bibliometric analysis of publications from North Korea indexed in the Web of Science Core Collection from 1988 to 2016,’ which was published in Science Editing volume 4, issue 1.
Geum Hee Jeong, Sun Huh
doaj   +1 more source

Opozycja antysystemowa we współczesnych państwach totalitarnych - rzeczywistość czy abstrakcja? [PDF]

open access: yes, 2018
This article analyses the problem of anti-systemic opposition’s existence in a totalitarian state. Different concepts concerning the genesis of totalitarianism as well as the features of this system were presented in the paper.
Kontowska, Angelika
core   +2 more sources

Nonlinear Radial Consolidation Analysis of Soft Soil with Vertical Drains under Cyclic Loadings

open access: yesShock and Vibration, 2020
This paper presents analytical solutions for nonlinear radial consolidation of soft soil with vertical drains under various cyclic loadings. By considering the nonlinear variations of compressibility and permeability expressed by the logarithm relations (
Pyol Kim   +6 more
doaj   +1 more source

Bibliometric analysis of publications from North Korea indexed in the Web of Science Core Collection from 1988 to 2016 [PDF]

open access: yesScience Editing, 2017
The aim of this study was to analyze the bibliometric characteristics of publications from North Korea indexed in the Web of Science Core Collection from 1988 to 2016.
Geum Hee Jeong, Sun Huh
doaj   +1 more source

The Regional Development of Democratization and Civil Society: Transition, Consolidation, Hybridization, Globalization - Taiwan and Hungary [PDF]

open access: yes, 2018
Different starting points, similar processes and different outcomes can be identified when comparing East Central Europe and East and South Asia. The two regions face similar global challenges, follow regional patterns of democratization and face crises.
Szabó, Máté
core   +3 more sources

AN IMPROVED EXEMPLAR-BASED IMAGE INPAINTING ALGORITHM FOR ERROR CONCEALMENT

open access: yesICTACT Journal on Image and Video Processing, 2017
Error concealment is an important technique to improve the video quality in case that the video frame is corrupted during transmission. A spatial error concealment algorithm based on the improved exemplar-based image inpainting is presented.
Hwang Byongsu, Jo Jonghyon, Ri Cholsu
doaj   +1 more source

Micromagnetic study on the effect of grain size distribution in hot-deformed Nd–Fe–B magnets [PDF]

open access: yesAIP Advances
Hot deformation is a potential technique to fabricate anisotropic rare earth permanent magnets required for high-performance electric motors. The magnetic properties of hot-deformed Nd–Fe–B magnets are closely related to the microstructure and can be ...
Hyon Song Ryang   +6 more
doaj   +1 more source

Free vibration analysis of inversely coupled composite laminated shell structures with general boundary condition

open access: yesAIP Advances, 2021
In this paper, the free vibration characteristics of various coupled composite laminated doubly curved revolution shells are investigated under generalized boundary conditions (BCs).
Kwanghun Kim   +5 more
doaj   +1 more source

The Knowledge & Attitude on Tuberculosis by Parents of North Korean Refugee Children [PDF]

open access: yesChild Health Nursing Research, 2015
Purpose: The purpose of this study was to investigate the knowledge and attitude on tuberculosis by parents of North Korean refugees’ children. Methods: A descriptive study was conducted.
In Sook Lee, Ho Ran Park
doaj   +1 more source

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