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거주 후 평가를 통한 국가지정 입원치료병상 시설 개선 방향 도출에 관한 연구
정다운 ( Jeong¸ Dawoon ),권순정 ( Kwon¸ Soonjung ) 한국의료복지건축학회 2021 의료·복지 건축 Vol.27 No.3
Purpose: The negative pressure isolation ward is a key facility in preparedness and response to infectious diseases. For the sustainable operation of the facility, appropriate facility improvement is required. The experience of medical staff responding to infectious diseases in the COVID-19 pandemic provides effective informations for facility planning. Methods: The post occupancy evaluation (POE) was conducted by interviewing medical staff who is working on Nationally designated negative pressure isolation ward in general hospital. Floor plan analysis was conducted before field surveys for identifying facility characteristic and spatial composition. After that, field surveys were conducted at 3 hospitals, and interviews and fieldwork were conducted together. Results: It is necessary to increase the standard size of ward area from 15㎡ to 20㎡. The size of the doffing room has to be planned for accommodation of two or more people. Equipment storage, clean storage and waste storage also should be properly planned. There were almost no problems with the circulation in the ward. There was not enough space for medical staff. Implications: For a sustainable and safe negative pressure isolation ward planning, it is necessary to exploit learning from the medical staffs who have many experiences of coping with infectious diseases.
Dawoon Jeong,Mi Ra Oh,Pil Nam Seong,Soohyun Cho,Geun Ho Kang,Jin Hyung Kim,Seok Geun Jeong,Jun Soo Lee,Beom Young Park 한국축산식품학회 2012 한국축산식품학회지 Vol.32 No.5
This study was conducted to compare meat quality traits related to the tenderness of longissimus muscles obtained from domestic and imported steers. A total of 12 steers from three breeds were slaughtered, and were graded as quality grade 2. They were composed of 4 Hanwoo and 4 Holstein steers (domestic) as well as 4 Angus steers (imported from Australia and gained for six months in Korea until slaughtered). The longissimus lumborum muscles were separated and were stored at 4oC for 7 and 14 d. Sarcomere length of Hanwoo was significantly shorter than Holstein and Angus at storage day 14 (p0.05). Glutamic acid contents of Hanwoo and Angus steers were higher than those of Holstein steers at ageing day 7 and 14 (p
Personality of Synthetic Speech: A Literature Review
Dawoon Jeong,Sung H. Han 대한인간공학회 2018 대한인간공학회 학술대회논문집 Vol.2018 No.5
The aim of this study is to search for design factors of personality of synthetic speech and its preferred personality through a literature review. Finding the factors affecting the personality of synthetic speech is important because the synthetic speech is now widely used. Two categories of design factors were found through the literature survey: speech parameters and speech synthesis techniques. Speech parameters include pitch, pitch range, frequency range, speaking rate, intensity, fillers, length and frequency of pauses, and voice quality. Speech synthesis techniques have two typical strategies, unit selection synthesis and statistical parametric synthesis. Using these factors, we can design a variety of synthetic speech with personality such as extraversion, neuroticism, agreeableness, conscientiousness, and openness. Preference of synthetic speech depends on personality of synthetic speech and personality of the users. This research can be used to design synthetic speech for making desirable persona and making voice of speech-impaired person.
Analysing Spatial Pattern of Fire Factor using Text Mining
Jeong, Dawoon,Kim, Byeongsun,Shin, Dongbin 대한공간정보학회 2018 대한공간정보학회지 Vol.26 No.2
The objective of this research is to realize and verify a model that collects informal data of places prone to big and small fire accidents, from carelessness on the Web based on text mining and to present a meaning through processing and spatial analysis of the collected data. To do this, with the assumption that urban fire accidents and spatial pattern are related, spatial data required for supervision and prevention of urban fire accidents were collected, constructed and analyzed based on the scattered data. In addition, the spatial patterns for prevention and response actions for urban fire accidents using GIS analytic technique on Gangnam-gu region were studied to adduce a conclusion.
Dawoon Jeong,Hee-Yeon Kang,Jinsun Kim,Hyewon Lee,Bit-Na Yoo,Hee-Sun Kim,Hongjo Choi 대한예방의학회 2022 예방의학회지 Vol.55 No.3
We aimed to review the current data composition of the Korean Tuberculosis and Post-Tuberculosis Cohort, which was constructed by linking the Korean Tuberculosis Surveillance System (KNTSS; established and operated by the Korean Disease Control and Prevention Agency since 2000) and the National Health Information Database (NHID; established by the National Health Insurance Service in 2012). The following data were linked: KNTSS data pertaining to patients diagnosed with tuberculosis between 2011 and 2018, NHID data of patients with a history of tuberculosis and related diseases between 2006 and 2018, and data (obtained from the Statistics Korea database) on causes of death. Data from 300 117 tuberculosis patients (177 206 men and 122 911 women) were linked. The rate of treatment success for new cases was highest in 2015 (86.7%), with a gradual decrease thereafter. The treatment success rate for previously treated cases showed an increasing trend until 2014 (79.0%) and decreased thereafter. In total, 53 906 deaths were confirmed among tuberculosis patients included in the cohort. The Korean Tuberculosis and Post-Tuberculosis Cohort can be used to analyze different measurement variables in an integrated manner depending on the data source. Therefore, these cohort data can be used in future epidemiological studies and research on policy-effect analysis, treatment outcome analysis, and health-related behaviors such as treatment discontinuation.
Validity and Reliability of the Korean Version of the Climate Health and Nursing Tool
Dawoon Jeong,Minkyung Park,Gwangsuk Kim 한국간호과학회 2021 한국간호과학회 학술대회 Vol.2021 No.10
Aim(s): The purpose of this study was to evaluate the reliability and validity of the Korean version of the Climate Health and Nursing Tool (CHANT) to measure nurses" awareness, motivation, concern, behaviors at work, and behaviors at home regarding climate change and health. Method(s): The 22 items of English CHANT was translated into Korean with forward-backward translation techniques, evaluated whether there were any items that needed correction due to the accuracy of translation and cultural differences, and revised based on feedback from focus groups. An internal consistency reliability and construct validity using confirmatory factor analysis were conducted using SPSS WIN (25.0) and AMOS (26.0). Survey data were collected from 220 master’s, doctoral, and post-doctoral students at the college of nursing. Result(s): The Korean version of the CHANT consists of 20 items in 5 domains. Two of the items in CHANT was excluded because of low CVI and standardized regression weights values. The internal consistency reliability of the Korean CHANT assessed by Cronbach"s alpha was .81. The five subscales model was validated by confirmatory factor analysis (SRMR<.08, RMSEA<.08, AGFI>.7, CFI >.7). Conclusion(s): The findings of this study demonstrate that the Korean version of the CHANT has satisfactory construct validity and reliability to measure nurses" awareness, motivation, concern, behaviors at work, and behaviors at home regarding climate change and health. It will be helpful to objectively confirm the level of cognitive behavior of nurses on the health effects of climate change, a common problem for people around the world. And it will be meaningful in identifying the level of climate health-related cognitive behavior and preparing a plan to improve it.
Jeong, Dawoon,Cho, Kyungjin,Lee, Chang-Ha,Lee, Seockheon,Bae, Hyokwan Elsevier 2018 PROCESS BIOCHEMISTRY Vol.73 No.-
<P><B>Abstract</B></P> <P>The objective of this study was to evaluate the effects of salt accumulation on nitrifying bacterial communities in a nitrifying bioreactor combined with forward osmosis. The conversion of nitrite to nitrate was inhibited at a total dissolved solids (TDS) concentration of 17.3 g/L, whereas conversion of ammonia to nitrite was inhibited at a higher concentration (52.8 g-TDS/L). The gene copies of ammonia-oxidizing bacteria (AOB) were more abundant than those of nitrite-oxidizing bacteria (NOB) throughout the entire operating period of 225 days. Among NOB, the number of copies of <I>Nitrobacter</I> spp. were 100–1000 times higher than those of <I>Nitrospira</I> spp. A total of 140 operational taxonomic units were identified using 454 pyrosequencing. The relative abundances of autotrophic AOB and NOB accounted for 34.1–57.8% during 225 days. Dominance of <I>Nitrosomonas eutropha</I> was stable as a salt-tolerant AOB, but the representative NOB, <I>Nitrobacter winogradskyi</I>, showed salt-sensitive variations in their relative abundance. Nonmetric multidimensional scaling and hierarchical clustering analysis clearly illustrated the shift in bacterial community due to external conditions, i.e., ammonia loading rate, alkalinity availability, and salinity. Heterotrophic bacteria contributed to changes in overall bacterial community structure in the nitrifying osmotic membrane bioreactor despite the absence of carbon sources in the influent.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Bacterial population dynamics were studied in an osmotic membrane bioreactor. </LI> <LI> Ammonia, alkalinity, and salinity caused changes in the bacterial community. </LI> <LI> Increased salinity led to NOB activity inhibition at 17.3 g-TDS/L. </LI> <LI> AOB were more tolerant than NOB to the high ammonia-loading rate and salinity. </LI> <LI> <I>Nitrosomonas eutropha</I> was dominant at high ammonia and salt concentrations. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>