Zobrazeno 1 - 10
of 255
pro vyhledávání: '"Sang-Min Han"'
Autor:
Jungwoo Lee, Sang-Min Han
Publikováno v:
IEEE Access, Vol 12, Pp 133481-133488 (2024)
In this paper, a via-guided microstrip line is proposed for minimized microwave circuit designs. The via-guided microstrip line is qualified for a general transmission line requirement of lossless, linear phase, a quasi-TEM mode, and analytical model
Externí odkaz:
https://doaj.org/article/a5ace820760140a081dd78bc97103d32
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 23, Iss 4, Pp 355-361 (2023)
This paper proposes a novel Doherty combiner that uses a series and parallel resonant circuit for wideband. Unlike conventional combiners, the aim of the proposed combiners is to extend bandwidth for not only the magnitude bandwidth, but also phase b
Externí odkaz:
https://doaj.org/article/0e29410dde6d4e829e7e49ebed451925
Publikováno v:
Micromachines, Vol 14, Iss 10, p 1847 (2023)
A new co-simulation method is proposed for active devices and electromagnetic resonant circuits at microwave frequency range. For the measured and extracted device parameters, three steps of equivalent circuit models are processed of the general, sim
Externí odkaz:
https://doaj.org/article/a0198aafb0f744bea2960cc70eb20be3
Publikováno v:
한국균학회지, Vol 49, Iss 2, Pp 243-248 (2021)
In this study, screening of potent non-pathogenic wild yeast with high anti-dementia butyrylcholinesterase (BChE) inhibitory activity and production condition of a BChE inhibitor were described. Among 36 non-pathogenic wild yeasts, Saccharomyces cere
Externí odkaz:
https://doaj.org/article/c3d92a60222e4cb1b382e7a773751068
Autor:
So Young Kim, Sang Hoon Kim, Jee Hye Wee, Chanyang Min, Sang-Min Han, Seungdo Kim, Hyo Geun Choi
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Abstract Previous studies have suggested an increased risk of ischemic heart disease related to air pollution. This study aimed to explore both the short-term and long-term effects of air pollutants on the risk of ischemic heart disease after adjusti
Externí odkaz:
https://doaj.org/article/d5d0b4b7b67d4abfb9014d9686164e01
Publikováno v:
한국균학회지, Vol 48, Iss 3, Pp 237-249 (2020)
The goal of this study was to isolate wild yeasts from waters and soils in Sangjubo of Nakdong river and Daechung dam in Daejeon city, Korea and investigate characteristics of previously unrecorded novel wild yeasts. In total, 94 strains from 39 diff
Externí odkaz:
https://doaj.org/article/0f8f1b768d4d4c318bdc5bdfdc9950e8
Publikováno v:
한국균학회지, Vol 48, Iss 2, Pp 151-160 (2020)
The goal of this study was to investigate the diversity present among wild yeasts obtained from soils of spice fields and from mountain soils, and to further, characterize previously unrecorded novel wild yeast strains. In total, 36 strains from 17 d
Externí odkaz:
https://doaj.org/article/fda4e50527644f238bf8e31c45963f7b
Publikováno v:
한국균학회지, Vol 47, Iss 4, Pp 337-346 (2019)
To develop a new antidementia acetycholinesterase (AChE) inhibitor from edible mushrooms, the inhibitory effects on AChE of water and ethanol extracts from various edible mushrooms were measured. Among the tested compounds, 70% ethanol extracts from
Externí odkaz:
https://doaj.org/article/eb6832ff83c444fd96a70a7cd02f8efb
Autor:
Jong-Keun Kim MD, Du Hyun Ro MD, Sang-Min Han MD, Myung Chul Lee MD, PhD, Hyuk-Soo Han MD, PhD
Publikováno v:
Clinical and Applied Thrombosis/Hemostasis, Vol 27 (2021)
Although a bioabsorbable bone hemostatic agent (BBHA) was developed approximately 20 years ago to overcome the shortcomings of conventional bone wax, its bleeding control capacity has not yet been studied. This study was aimed at investigating the ef
Externí odkaz:
https://doaj.org/article/ff9dd36f15db4b97a1b6fa30d046de00
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 19, Iss 4, Pp 259-265 (2019)
A frequency-selective beamforming array antenna system is proposed for next-generation mobile applications. Whereas a conventional phased array steers antenna beams in the same direction, the proposed system involves a channel-selective beam for each
Externí odkaz:
https://doaj.org/article/fcff1c1d8500480891b352d5c307ae61