Zobrazeno 1 - 10
of 174
pro vyhledávání: '"Kyung-Eun Choi"'
Autor:
Dae-Young Lee, Rok-Soon Kim, Kyung-Eun Choi, Jungjoon Seough, Junga Hwang, Dooyoung Choi, Ji-Hyeon Yoo, Seunguk Lee, Sung Jun Noh, Jongho Seon, Kyung-Suk Cho, Kwangsun Ryu, Khan-Hyuk Kim, Jong-Dae Sohn, Jae-Young Kwak, Peter H. Yoon
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 41, Iss 1, Pp 1-60 (2024)
The Korean heliospheric community, led by the Korea Astronomy and Space Science Institute (KASI), is currently assessing the viability of deploying a spacecraft at the Sun-Earth Lagrange Point L4 in collaboration with National Aeronautics and Space
Externí odkaz:
https://doaj.org/article/499fbe22b7a644ee8d7b2e615dddfe2e
Autor:
Tien Vo, Oleksiy V. Agapitov, Kyung-Eun Choi, Cynthia A. Cattell, Jack Redepenning, Lucas Colomban
Publikováno v:
The Astrophysical Journal Letters, Vol 970, Iss 2, p L38 (2024)
Through test particle simulations based on solar wind observations by the Parker Solar Probe (PSP) mission, we demonstrate that a magnetic gradient can significantly enhance the efficiency of scattering and energization of the strahl electrons by qua
Externí odkaz:
https://doaj.org/article/f5cf5a7df3f643fa94f495e3934ab5c9
Autor:
Immanuel Christopher Jebaraj, Oleksiy Agapitov, Vladimir Krasnoselskikh, Laura Vuorinen, Michael Gedalin, Kyung-Eun Choi, Erika Palmerio, Nicolas Wijsen, Nina Dresing, Christina Cohen, Athanasios Kouloumvakos, Michael Balikhin, Rami Vainio, Emilia Kilpua, Alexandr Afanasiev, Jaye Verniero, John Grant Mitchell, Domenico Trotta, Matthew Hill, Nour Raouafi, Stuart D. Bale
Publikováno v:
The Astrophysical Journal Letters, Vol 968, Iss 1, p L8 (2024)
Collisionless shock waves, ubiquitous in the Universe, are crucial for particle acceleration in various astrophysical systems. Currently, the heliosphere is the only natural environment available for their in situ study. In this work, we showcase the
Externí odkaz:
https://doaj.org/article/779073aee96d4f7bb89e6601e659bc0a
Publikováno v:
Systematic Reviews, Vol 11, Iss 1, Pp 1-6 (2022)
Abstract Background The provision of low-value care services in low back pain management is a problem of global scope. Inappropriate imaging, overmedication, and overused invasive therapies are prevalent in physician services. Yet, little is known ab
Externí odkaz:
https://doaj.org/article/8ebe38a7ab0a47e0bd65ce4fcbb087fb
Publikováno v:
The Astrophysical Journal, Vol 974, Iss 2, p 152 (2024)
In this paper, we conducted an analysis of the heliospheric current sheets (HCSs) in the heliosheath (HS), utilizing observations by Voyager 2 between 2008 and 2018. Employing rigorous criteria, we identified a total of 34 HCSs that indicate signific
Externí odkaz:
https://doaj.org/article/c1419c8651e5461f8260b298690086c7
Autor:
Kyung-Eun Choi, Oleksiy Agapitov, Lucas Colomban, John W. Bonnell, Forrest Mozer, Richard D. Sydora, Nour Raouafi, Thierry Dudok de Wit
Publikováno v:
The Astrophysical Journal, Vol 971, Iss 2, p 177 (2024)
In the interplanetary space solar wind plasma, whistler waves are observed in a wide range of heliocentric distances (from ∼20 solar radii (RS) to Jupiter’s orbit). They are known to interact with solar wind suprathermal electrons (strahl and hal
Externí odkaz:
https://doaj.org/article/ea25f347f28548c78f53320b18f533bd
Publikováno v:
The Astrophysical Journal, Vol 961, Iss 1, p 3 (2024)
In this study, we report on small-scale magnetic flux ropes (SMFRs) observed as a compact series in a narrow Carrington longitudinal range during three Parker Solar Probe (PSP) encounters. First, during ∼1.5 days of PSP's inbound part of Encounter
Externí odkaz:
https://doaj.org/article/d123255bed2c4ffa8b82874c96762016
Publikováno v:
BMC Health Services Research, Vol 22, Iss 1, Pp 1-10 (2022)
Abstract Background Rural and urban areas hold different health challenges and resources for resident small and medium-sized enterprises (SMEs) and their employees. Additionally, residents of urban and rural areas differ in individual characteristics
Externí odkaz:
https://doaj.org/article/1f33e8c9b61749bbb567ab0bc721eace
Autor:
Antje Hammer, Onyebuchi A. Arah, Russell Mannion, Oliver Groene, Rosa Sunol, Holger Pfaff, Kyung-Eun Choi
Publikováno v:
BMC Health Services Research, Vol 21, Iss 1, Pp 1-9 (2021)
Abstract Background The commitment of hospital managers plays a key role in decisions regarding investments in quality improvement (QI) and the implementation of quality improvement systems (QIS). With regard to the concept of social capital, success
Externí odkaz:
https://doaj.org/article/df3dc5fc5f8a4f09b8ed71bff4799474
Autor:
Simone Richter, Ibrahim Demirer, Kyung-Eun Choi, Johannes Hartrampf, Holger Pfaff, Ute Karbach
Publikováno v:
BMC Health Services Research, Vol 20, Iss 1, Pp 1-7 (2020)
Abstract Background With demographic change, the number of noncommunicable diseases, chronic diseases and multimorbidity is increasing, and so is the demand for health services. This represents a further challenge for the healthcare system. An adequa
Externí odkaz:
https://doaj.org/article/f6bd513baeca4451a1f24283b441c51f