Zobrazeno 1 - 10
of 2 709
pro vyhledávání: '"Jae-hyun Kim"'
Publikováno v:
Light: Science & Applications, Vol 13, Iss 1, Pp 1-11 (2024)
Abstract While waveguide-based light concentrators offer significant advantages, their application has not been considered an interesting option for assisting multijunction or other two-terminal tandem solar cells. In this study, we present a simple
Externí odkaz:
https://doaj.org/article/a8faca951637495a85d9b59a4d8f9be1
Autor:
Yung Lee, Bongkyun Jang, Hyunggwi Song, Sumin Kim, Yong Won Kwon, Hyun Seok Kang, Min Seong Kim, Inkyu Park, Taek-Soo Kim, Junho Jang, Jae-Hyun Kim, Jang-Ung Park, Byeong-Soo Bae
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-9 (2024)
Abstract Auxetic metamaterials are a unique class of materials or structures with a negative Poisson’s ratio and a wide array of functionalities. However, their inherent porosity presents challenges in practical applications. Filling the inherent p
Externí odkaz:
https://doaj.org/article/4e8a5897440e49ec80c4054d9ec7145b
Publikováno v:
Frontiers in Public Health, Vol 12 (2024)
PurposeThis study aimed to determine the impact of job fitness on depression and depressive symptoms in Korean middle-aged and older population.MethodsWe collected data from the Korean Longitudinal Study of Aging (KLoSA), and performed a longitudinal
Externí odkaz:
https://doaj.org/article/6c26b989c7e54ebf920206fdcca62833
Publikováno v:
Advanced Electronic Materials, Vol 10, Iss 11, Pp n/a-n/a (2024)
Abstract Transparent displays are crucial for various applications, particularly for their potential use as windows in future self‐driving cars. These displays require high transparency, low power consumption, and high mechanical reliability. Micro
Externí odkaz:
https://doaj.org/article/f1374b44b9184c41bf1f305a57f2e044
Publikováno v:
Advances in Mechanical Engineering, Vol 16 (2024)
We develop a program for predicting bearing performance, including the maximum contact stress, bearing power loss, minimum lubricating film thickness, static safety factor, and dynamic life, and an optimal design for high-speed angular contact ball b
Externí odkaz:
https://doaj.org/article/59d37b55fa2449c3ba377a792b1af359
Autor:
Viet Phuong Nguyen, Yusra Qureshi, Hyung Cheoul Shim, Jong Min Yuk, Jae‐Hyun Kim, Seung‐Mo Lee
Publikováno v:
Small Structures, Vol 5, Iss 8, Pp n/a-n/a (2024)
A dense electrode with high sulfur loading is a straightforward approach to increasing the energy density of lithium–sulfur battery (LSB), but the development of dense electrodes suffers from both fabrication challenges and electron/ion transport l
Externí odkaz:
https://doaj.org/article/3062d8d24bb1482fb7b268c74bd8eca8
Publikováno v:
ICT Express, Vol 10, Iss 1, Pp 65-70 (2024)
Unmanned aerial vehicle (UAV) relaying network systems have been widely studied to expand network coverage and improve frequency efficiency for wireless communication. This paper proposes a carrier sense multiple access with collision avoidance (CSMA
Externí odkaz:
https://doaj.org/article/a0637e51bc404d9aaa1fba16b33346b8
Autor:
Jae-Hyun Kim, Seonho Cho
Publikováno v:
Nanocomposites, Vol 9, Iss 1, Pp 18-29 (2023)
AbstractWe present a gradient-based optimization method that precisely designs simplified isotropic potentials for self-assembly of targeted lattice structures. An ansatz potential and its constraints are constructed to directly reflect the character
Externí odkaz:
https://doaj.org/article/3278f59bcf0a4f739aef008764e5672e
Publikováno v:
Mathematics, Vol 12, Iss 21, p 3415 (2024)
The fuel economy of electric vehicles (EVs) is an important factor in determining the competitiveness of EVs. Since the fuel economy is affected by the efficiency of an e-powertrain composed of a motor and inverter, it is necessary to select a high-e
Externí odkaz:
https://doaj.org/article/6851f27a1c644ae7b34b817d353e8ed0
Publikováno v:
Medicina, Vol 60, Iss 10, p 1657 (2024)
Background and Objectives: The association between neurological disability, prognosis, and telomere length (TL) in patients with stroke has been investigated in various ways. However, analysis of the type of stroke and ischemic stroke subgroups is li
Externí odkaz:
https://doaj.org/article/ce2c43d5303f4673ab52a9fbce288c12