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Akademický článek

Microstructural characterization of gadolinium-rich phases in titanium alloys

Autor: Hyung-Ha Jin, Sangeun Kim, I Seul Ryu, Junhyun Kwon, Seungmun Jung, Young-Bum Chun

Publikováno v: Heliyon, Vol 10, Iss 15, Pp e34935- (2024)

This study explores the microstructural characteristics of gadolinium (Gd)-rich phases in titanium (Ti) alloys through comprehensive electron microscopy analysis. The Ti alloys were produced using plasma arc melting and subsequently hot-forged. Elabo

Externí odkaz: https://doaj.org/article/86872011062a4df6be8ebc028c797754

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Akademický článek

Mechanical and helium swelling responses of K-RAFM steels to Fe ion irradiation and helium implantation

Autor: Sangeun Kim, Minkyu Ahn, Jinwoo Park, Gyeongsik Yu, Jinhyuk Kim, Hyung-Ha Jin, Chang-hoon Lee, Byung-Yong Yu, Weon Cheol Lim, Chansun Shin

Publikováno v: Nuclear Materials and Energy, Vol 39, Iss , Pp 101652- (2024)

This study explores the effects of Fe ion irradiation and helium implantation on the mechanical and microstructural behaviors of K-RAFM steels. Through micropillar compression tests, we observed irradiation hardening, which manifested as an increase

Externí odkaz: https://doaj.org/article/8e0f505415c2474da2dc487a0b7fed19

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Akademický článek

Microstructural and Mechanical Characterization of Low-Alloy Fire- and Seismic-Resistant H-Section Steel

Autor: Jinhyuk Kim, Gyeongsik Yu, Sangeun Kim, Jinwoo Park, Minkyu Ahn, Jun-Ho Chung, Chang-Hoon Lee, Chansun Shin

Publikováno v: Metals, Vol 14, Iss 4, p 374 (2024)

This study investigates the microstructure and nano-hardness distribution across the thickness of an H-section steel beam, specifically designed for seismic and fire resistance and fabricated using a quenching and self-tempering process. The beam dim

Externí odkaz: https://doaj.org/article/8999b4f734904d42b0814992b741aad6

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Akademický článek

Astaxanthin Exerts Immunomodulatory Effect by Regulating SDH-HIF-1α Axis and Reprogramming Mitochondrial Metabolism in LPS-Stimulated RAW264.7 Cells

Autor: Luchuanyang Sun, Sangeun Kim, Ryoichi Mori, Nobuyuki Miyaji, Takeshi Nikawa, Katsuya Hirasaka

Publikováno v: Marine Drugs, Vol 20, Iss 11, p 660 (2022)

Astaxanthin (AX) is a carotenoid that exerts potent antioxidant activity and acts in cell membranes and mitochondria, which consist of the bilayer molecules. Targeting mitochondria to ameliorate inflammatory diseases by regulating mitochondrial metab

Externí odkaz: https://doaj.org/article/70578d1488fa4bdfaa782a2a41383921

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Are Politicians More Responsive Towards Men’s or Women’s Service Delivery Requests? A Survey Experiment with Ugandan Politicians

Autor: Kristin Michelitch, SangEun Kim

Publikováno v: Journal of Experimental Political Science. 9:326-338

This study examines whether politicians exhibit gender bias in responsiveness to constituents’ requests for public service delivery improvements in Uganda. We leverage an in-person survey experiment conducted with 333 subnational politicians, of wh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c3410d1465a90abbcd8b8efc6e4ed3b2
https://doi.org/10.1017/xps.2021.24

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MO450: A New Hematuria Score, Semi-Quantitative Analysis of Hematuria Normalized for Urine Concentration Predicts the Progression of Chronic Kidney Disease: From the KNOW-CKD Study

Autor: Jaehee Koh, Sang Min Jo, Sangeun Kim, Sung Hoon Jung, Kyu-Beck Lee, Hyang Kim, Kook-Hwan Oh, Young Youl Hyun

Publikováno v: Nephrology Dialysis Transplantation. 37

BACKGROUND AND AIMS It is unclear whether hematuria is a risk factor for chronic kidney disease (CKD) progression. In addition, quantitative evaluation considering urine concentration as in proteinuria has not been established in hematuria. The aim o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb7960f6cb7021117652dfeba592c16c
https://doi.org/10.1093/ndt/gfac070.064

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Akademický článek

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Synergistic Effect of He and H on the Surface Swelling of Ion-implanted Ti/Ta-added Reduced Activation Ferritic/Martensitic Steel for Fusion Reactors

Autor: Seong-Yong Cho, Chang-Hoon Lee, Joonoh Moon, Hyung Ha Jin, Sangeun Kim, Jungwoo Heo, Hyeongchul Kim, Chansun Shin

Publikováno v: Journal of the Korean Physical Society. 77:32-37

Surface swelling caused by He implantation was studied for newly-developed Ti/Ta-added reduced-activation ferritic/martensitic (RAFM) steels. Post-implantation annealing at 623 K for 2 h of He-implanted RAFM-steel samples led to surface-step formatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7a9ff1798082d043f84714896e03c27e
https://doi.org/10.3938/jkps.77.32

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MULTI-SENSOR SPEECH ENHANCEMENT USING IN-EAR AND BEAMFORMING SIGNAL SYNTHESIS IN TWS VOICE COMMUNICATION

Autor: Jae-Mo Yang, G. W. Lee, Sangeun Kim, Han-Gil Moon

Publikováno v: 2022 IEEE International Conference on Consumer Electronics (ICCE).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80469de6188eeafb8d44ee5f07e9790d
https://doi.org/10.1109/icce53296.2022.9730392

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Akademický článek

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