Výsledky vyhledávání - "Jong Hyuk Choi"

Akademický článek

A Current Control Algorithm to Improve Command Tracking Performance and Resilience of a Grid-Connected Inverter

Autor: Horyeong Jeong, Jong Hyuk Choi, Jae Suk Lee

Publikováno v: Applied Sciences, Vol 10, Iss 23, p 8642 (2020)

This paper presents a stationary reference frame grid current control algorithm for a grid-connected inverter (GCI) to improve command tracking performance and resilience in response to disturbances, i.e., a grid voltage incident in a GCI current con

Externí odkaz: https://doaj.org/article/7d36358266a54783bf1f094c548a5386

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Akademický článek

Short-term Effect of Fine Particulate Matter on Children’s Hospital Admissions and Emergency Department Visits for Asthma: A Systematic Review and Meta-analysis

Autor: Hyungryul Lim, Ho-Jang Kwon, Ji-Ae Lim, Jong Hyuk Choi, Mina Ha, Seung-Sik Hwang, Won-Jun Choi

Publikováno v: Journal of Preventive Medicine and Public Health, Vol 49, Iss 4, Pp 205-219 (2016)

Objectives: No children-specified review and meta-analysis paper about the short-term effect of fine particulate matter (PM2.5) on hospital admissions and emergency department visits for asthma has been published. We calculated more precise pooled ef

Externí odkaz: https://doaj.org/article/e20cfdc86c614b4d887183917a920889

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Akademický článek

A study on the factors affecting the follow-up participation in birth cohorts

Autor: Bohyun Park, Eun Jeung Choi, Eunhee Ha, Jong Hyuk Choi, Yangho Kim, Yun-Chul Hong, Mina Ha, Hyesook Park

Publikováno v: Environmental Health and Toxicology, Vol 31 (2016)

Objectives A stable follow-up participation rate is a very important factor for validity in a cohort study. This study analyzed the factors that affect the participation rate at one hospital-based birth cohort in South Korean. Methods The participant

Externí odkaz: https://doaj.org/article/71d13ffd0ad445b39beacc4a4371aed4

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Akademický článek

Epidemiological investigation of the 119th confirmed Middle East Respiratory Syndrome coronavirus case with an indefinite mode of transmission during the Pyeongtaek outbreak in Korea

Autor: Jong Hyuk Choi, Byoungin Yoo, Soon Young Lee, Eun Gyu Lee, Moran Ki, Woncheol Lee, Jong Rak Jung, Kyujin Chang

Publikováno v: Epidemiology and Health, Vol 37 (2015)

Since the first case was diagnosed on May 20, 2015, there were 186 confirmed cases of Middle East Respiratory Syndrome (MERS) until the end of outbreak in South Korea. Although medical institutions were the most identifiable sources of MERS transmiss

Externí odkaz: https://doaj.org/article/d53f9bf8f8614938beed066e7a041547

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Akademický článek

MERS epidemiological investigation to detect potential mode of transmission in the 178th MERS confirmed case in Pyeongtaek, Korea

Autor: Kyujin Chang, Moran Ki, Eun Gyu Lee, Soon Young Lee, Byoungin Yoo, Jong Hyuk Choi

Publikováno v: Epidemiology and Health, Vol 37 (2015)

Most cases of Middle East Respiratory Syndrome (MERS) infection in Korea (outbreak: May 11-July 4, 2015) occurred in hospital settings, with uncertain transmission modes in some cases. We performed an in-depth investigation epidemiological survey on

Externí odkaz: https://doaj.org/article/eb1935cbef924ee3b5fdf6a008bea45b

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Akademický článek

Improved Testing Method Using the Multi-Transformers Synthetic Circuit to Verify Capacitive Charging Current Switching Capability of High-Voltage Circuit Breakers

Autor: Yun-Seong Kim, Jong-Hyuk Choi, Rahul S. Patil, Min-Won Park

Publikováno v: Energies, Vol 16, Iss 12, p 4764 (2023)

To perform a capacitive current switching test (CCT) at AC extra-high-voltage (EHV) and above level, this paper proposes a new multi-transformer synthetic circuit (MTSC) test method that replaces the general synthetic test method using capacitor bank

Externí odkaz: https://doaj.org/article/81d55af8ba4747099b287d24c4eff2f6

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