Results 31 to 40 of about 173,430,391 (153)

Flexible dye solar cells with TiO2 nanopaper and Ti back contact electrodes

open access: yesJournal of Saudi Chemical Society, 2023
Flexible dye solar cells (F-DSCs) have attracted great attention because of their low cost, flexibility and lightweight, and their advantages for wearable electronic devices and other applications.
Pomjin Ri   +5 more
doaj   +1 more source

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

REAL-TIME JOINT ACOUSTIC ECHO CANCELLATION AND PERSONALIZED SPEECH ENHANCEMENT BASED ON CROSS-ATTENTION ALIGNMENT AND X- VECTOR [PDF]

open access: yesICTACT Journal on Communication Technology
Personalized speech enhancement (PSE) is a speech enhancement method to remove interfering speech, background noise, and reverberation based on a speaker embedding extracted from the target speaker such as d-vector and x-vector.
Kwon Kim, Yong-Hun Yun, Chol-Nam Om
doaj   +1 more source

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

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

Micromagnetic study on the effect of circularity in hot-deformed Nd-Fe-B magnets [PDF]

open access: yesAIP Advances
In general, the grain size in micromagnetic modeling for hot-deformed magnets is determined by the size of the c-plane and the aspect ratio, which cannot reflect the randomness of the grain shape. In this study, we consider, from a micromagnetic point of
Ju-Hyok Kim   +7 more
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 People's Republic of China's foreign policy towards the Democratic People's Republic of Korea : From issue areas of the nuclear weapon, the possible reunification of two Koreas and the changed lesadership in the Democratic People's Republic of Korea

open access: yes, 2012
The purpose of this research is to analyze the People’s Republic of China’s foreign policy towards the Democratic People’s Republic of Korea. In order to analyze the People’s Republic of China’s foreign policy towards the Democratic People’s Republic of ...
Chen, Weirun
core   +2 more sources

Epidemiological profile of dengue in Champasak and Savannakhet provinces, Lao People’s Democratic Republic, 2003–2020 [PDF]

open access: yes, 2022
International audienceDengue is a public health issue in tropical south-eastern Asia responsible for significant morbidity and mortality. Information on dengue epidemiology is necessary for developing strategies to control infections effectively.
Paul, Richard, E.   +24 more
core   +1 more source

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