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Optimal Design for the Rear-Glass Joint of an Automobile for Squeak and Rattle Noise Reduction
Baek, Keon Hee,Choi, Su Bin,Hong, Hee Rok,Jeong, Nak Tak,Moon, Hyeong Uk,Lee, Eun Seong,Kim, Hyung Min,Choi, Sung Uk,Suh, Myung Won Springer-Verlag 2018 International journal of automotive technology Vol.19 No.5
Yoo, Keon Hee,Lee, Soo Hyun,Sung, Ki Woong,Koo, Hong Hoe,Chung, Nak Gyun,Cho, Bin,Kim, Hack Ki,Kang, Hyoung Jin,Shin, Hee Young,Ahn, Hyo Seop,Baek, Hee Jo,Han, Dong Kyun,Kook, Hoon,Hwang, Tai Ju,Kim, Wiley Subscription Services, Inc., A Wiley Company 2011 American journal of hematology Vol.86 No.1
<P><B>Abstract</B></P><P>We report the outcome of 236 pediatric umbilical cord blood transplantations (UCBT) performed in Korea. Given that the sources of the grafts were mostly unrelated donors (<I>n</I> = 226; 95.8%), only the results of unrelated UCBT were included for all statistics. The most frequent primary disease was acute leukemia (<I>n</I> = 167). In total, 91.7% of recipients were seropositive for cytomegalovirus (CMV). The median doses of nucleated cells and CD34+ cells were 4.84 × 10<SUP>7</SUP>/kg and 2.00 × 10<SUP>5</SUP>/kg, respectively. The median times to neutrophil (>0.5 × 10<SUP>9</SUP>/L) and platelet recovery (>20 × 10<SUP>9</SUP>/L) were 18 and 45 days, respectively. Grade 2–4 acute graft‐versus‐host‐disease (GVHD) and chronic GVHD developed in 41.1 and 36.1% of cases, respectively. Forty‐five patients developed CMV disease. The 5‐year overall and event‐free survival were 47.5 and 36.9%, respectively. Multivariate analysis revealed that adverse factors for survival of the whole cohort were total body irradiation‐based conditioning (<I>P</I> = 0.007), salvage transplant (<I>P</I> = 0.001), failure to achieve early complete chimerism (<I>P</I> < 0.0005), and CMV disease (<I>P</I> = 0.001). The outcomes of the single‐ and double‐unit UCBT (<I>n</I> = 64) were similar, while double‐unit recipients were heavier (<I>P</I> < 0.0005) and older (<I>P</I> < 0.0005). We conclude that double‐unit UCBT is a reasonable option for older or heavier children and that the thorough surveillance of CMV infection and the development of an effective CMV therapeutic strategy may be especially important for Korean children, whose CMV seroprevalence exceeds 90%. Am. J. Hematol., 2011. © 2010 Wiley‐Liss, Inc.</P>
Lee Ji Won,Yeo Yohwan,Ju Hee Young,Cho Hee Won,Yoo Keon Hee,Sung Ki Woong,Koo Hong Hoe,Jeong Su-Min,Shin Dong Wook,Baek Hee Jo,Kook Hoon,Chung Nack-Gyun,Cho Bin,Kim Young Ae,Park Hyeon Jin,Song Yun-Mi 대한의학회 2023 Journal of Korean medical science Vol.38 No.29
Background: Data on the status of long-term follow-up (LTFU) care for childhood cancer survivors (CCSs) in Korea is lacking. This study was conducted to evaluate the current status of LTFU care for CCSs and relevant physicians’ perspectives. Methods: A nationwide online survey of pediatric hematologists/oncologists in the Republic of Korea was undertaken. Results: Overall, 47 of the 74 board-certified Korean pediatric hematologists/oncologists currently providing pediatric hematology/oncology care participated in the survey (response rate = 63.5%). Forty-five of the 47 respondents provided LTFU care for CCSs five years after the completion of primary cancer treatment. However, some of the 45 respondents provided LTFU care only for CCS with late complications or CCSs who requested LTFU care. Twenty of the 45 respondents oversaw LTFU care for adult CCSs, although pediatric hematologists/ oncologists experienced more difficulties managing adult CCSs. Many pediatric hematologists/oncologists did not perform the necessary screening test, although CCSs had risk factors for late complications, mostly because of insurance coverage issues and the lack of Korean LTFU guidelines. Regarding a desirable LTFU care system for CCSs in Korea, 27 of the 46 respondents (58.7%) answered that it is desirable to establish a multidisciplinary CCSs care system in which pediatric hematologists/oncologists and adult physicians cooperate. Conclusion: The LTFU care system for CCS is underdeveloped in the Republic of Korea. It is urgent to establish an LTFU care system to meet the growing needs of Korean CCSs, which should include Korean CCSs care guidelines, provider education plans, the establishment of multidisciplinary care systems, and a supportive national healthcare policy.
Expression of Human β-defensin 2 mRNA by Lipopolysaccharide in Human Corneal Epithelial Cells
Eon-Hee Bae,Keon-Wuk Park,Jong-Wook Kim,Byeong-Churl Jang,Ki-Jo Lim,Tae-Young Jung,Young-Kyu Kwon,Sang-Woo Shin,Sang-Pyo Kim,Jong-Hyun Park,Taeg Kyu Kwon,Won-Ki Baek,Min-Ho Suh,Seong-Il Suh 대한미생물학회 2004 Journal of Bacteriology and Virology Vol.34 No.1
한반도 여름철 일별 강우량에 대한 장기변동과 특이사건의 통계 분석
김백조(Baek-Jo Kim),손건태(Keon Tae Sohn),오재호(Jai-Ho Oh),백지선(Jee-Seon Baik),이용희(Yonghee Lee),백희정(Hee-Jeong Baek) 한국자료분석학회 2000 Journal of the Korean Data Analysis Society Vol.2 No.1
한반도 여름철 강우량의 특이사건의 강도 및 빈도수의 장기간 변동에 대한 분석은 중요한 과학적 관심대상이며 최근 선진 여러 나라에서는 기후변화의 검출을 위하여 평균적인 기후보다는 특이사건에 있어서의 변화에 초점을 둔다. 본 연구에서는 관측기간이 30년 이상인 우리 나라의 22개지점에 대한 여름철 일별 강우량 자료에 요인분석, ARMA 모형추정, AR 회귀모형 분석 및 파엽 분석 등 다양한 통계 분석 기법을 적용하여 한반도 여름철 일별 강우량에 대한 장기변동과 특이사건을 분석하였다. Long-term changes in the frequency and intensity of extreme events of summer rainfall in Korea have been of scientific concern. It has suggested that tests for climatic change should be focus on changes in extreme events rather than on changes in climatic means in some countries. Statistical analysis of the long-term change and extreme events of daily summer rainfall over Korea has been performed using factor analysis, ARMA model estimation, regressive model analysis and wavelet analysis.
Kang Hee Lee,Keon-Hee Baek,Su Bin Choi,Nak-Tak Jeong,Hyunguk Moon,Eun Seong Lee,Hyung Min Kim,Myung-Won Suh 한국자동차공학회 2019 International journal of automotive technology Vol.20 No.6
Detection of drivers’ states is the essential technology not only to prevent car accidents related with their state but to develop self-driving car. Detecting technology generally uses two types of methods; physiological measures and vehicle-based measures. Vehicle-based measures have advantages compared to physiological method such as non-additional device, unsophisticated process and less computational power. For these reasons, vehicle-based measures are used for this study to build the detection system about 3 states; normal, drowsy and drunk driving. In order to achieve this purpose, three types of algorithm models are suggested using vehicle simulator experiments with twelve participants on three states; normal, drowsy and drunk. By analyzing the accuracy of each input packet data combination, the feature values, the configuration of the input data calculated through the vehicle driving data is used to derive the influential factors for predicting the driver state. The results of the models indicate high accuracy and give the possibility to be applied on detecting 3 states in real driving vehicles with the system using combination of developed models.
철도시스템 공급자용 Systems Engineering(SE) 업무 개선방안 연구 - 부산김해경전철/김포도시철도 SE 수행사례 중심으로
박건영(Keon-Yeong Pak),양희갑(Hee-Kap Yang),백현(Hyun Baek),조항(Hang Cho),박진우(Jin-Woo Park) 한국철도학회 2020 한국철도학회 학술발표대회논문집 Vol.2020 No.7
국내 민자 철도사업 도입 초기, 철도시스템 분야에 본격 적용되기 시작한 시스템엔지니어링 (Systems Engineering, 이하 SE) 업무는 현재 국내 철도사업에서 다양한 형태로 활용 중에 있다. 하지만 현재 적용 중인 철도분야 SE 업무 방식은 각 현장별 특성(계약범위, 공급자 or 수요자 등)을 고려하지 않은 획일적인 업무 형태 및 절차로 인해, 철도현장에서 효과적인 SE 업무 수행에 오히려 걸림돌로 작용하는 경우가 종종 발생하고 있다. 이에 본 논문에서는 실제 수행된 철도 SE 실무 사례들을 검토하여 기존 SE 업무 방식의 문제점 및 철도시스템 공급자 측면에서 도움이 될 수 있는 개선방안을 고찰하고자 한다.