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지역주민 환경오염 노출수준 및 생체지표 모니터링 방법에 대한 연구 -울산지역을 중심으로-
이종태,조용성,손지영,이정원,이승준,정영희,김대선,유승도,안승철,Lee, Jong-Tae,Cho, Yong-Sung,Son, Ji-Young,Lee, Joung-Won,Lee, Seung-Jun,Chung, Young-Hee,Kim, Dae-Seon,Yu, Seung-Do,Ahn, Seung-Chul 한국환경보건학회 2008 한국환경보건학회지 Vol.34 No.3
Since 2003, the National Institute of Environmental Research (NIER) of Korea has been conducting "The monitoring study on exposure level and biomarkers of environmental pollutants" in the Ulsan industrial complex with the goals to establish a surveillance system for residents, to evaluate the health effects associated with chronic exposure to environmental pollutants and to develop the environmental health indicators in Ulsan industrial complex. This program consists of three phases an initial or foundation phase in which the program is developed, made operational and extended to the community, followed by an evaluation and accountability assessment of the surveillance system and finally an improvement in the quality of life and the maintenance of good health for Ulsan residents. In the period 2003 to 2008, the study program developed the surveillance system which will be used for the full-length survey. All participants in this study were contacted at a presentation meeting for residents, introduced to the objectives and protocols of the survey, and asked to participate. Informed consent was obtained from each participant. The study is now underway and includes questionnaires, health examinations and the analysis/collection/banking of bio-sample such as blood and urine. To date 828 subjects have participated and already 588 subjects have been followed up. We are committed to complete health examinations and to arrange storage of biosample for all participants. During the current year, we will analyze metals (Pb in blood and Cd, inorganic As and Hg in urine) in 1,972 samples and VOCs (11 species) and PARs (18 species) in 300 samples (blood sample). Moreover, the summary of the first step and the further preparation of the second step are currently underway. In this article, we introduce the study and its protocols and the distribution and size of the study participants. In conclusion, this survey will be continuously conducted on the established cohort and will enable the identification of relationship between environmental pollutant exposures and the health status of residents in Ulsan industrial complex.
이종태,이성행,송원영,Lee, Jong-Tae,Lee, Seong-Haeng,Song, Won-Yeong 대한흉부심장혈관외과학회 1984 Journal of Chest Surgery (J Chest Surg) Vol.17 No.3
Preoperative evaluation of pulmonary function with spirometry can identify those at increased risk of morbidity and mortality owing to pulmonary complications following pulmonary resections. To assess the correlation between FVC, FEV1.0/FVC, EFE25-57% and MVV, measured preoperatively, and the incidence of pulmonary complications following pulmonary resections, a hundred patients who had pulmonary resections were selected. Patients were divided into two groups postoperatively. In group A, there was no postoperative pulmonary complication, and in group b, there were one or more complications. We compared the results of the preoperative pulmonary function tests of the two groups. The difference of FVC between the two groups was statically significant [p<0.01] and FEV1.0/ FVC [p<0.O01]. The differences of the FEF25-75% and MVV were not significant.
이종태,한건연,서병하,Lee, Jong-Tae,Han, Geon-Yeon,Seo, Byeong-Ha 한국수자원학회 1993 물과 미래(한국수자원학회지) Vol.26 No.2
한강하구 조위가 인도교 지점의 홍수위에 미치는 영향을 NETWORK 모형에 의하여 분석하였다. '90년의 세 홍수와 2,000~20,000CMS 간 8개의 규모별 가상홍수에 대하여 조석영향성분을 계산하였으며, 홍수량이 커질수록 조석영향은 감소됨을 알 수 있었다. 홍수량이 2,000CMS 이하일 경우에는 조석의 영향으로 약 50Cm 이상의 수위상승을 보여주었으나, 홍수예경보 기준홍수위 4.5m (7,000CMS)에서는 약 9cm에 불과하였으며 이 이상의 홍수규모에서 조석 영향은 무시할 수 있을 정도로 작게 계산되었다. The increased water level caused by tidal motion at Indokyo is analyzed by the NETWORK model. The tidal effect is studied for 3 real floods in 1990 and 8 classified hypothetical floods in which the peak discharges are in the range of 2, 000-20, 000CMS. The result of numerical simulation shows that the tidal effect is decreased as the flood is increased. The surged level is 50cm when the flood discharge is 2, 000CMS, showing that its effect is considerable. However it shows only 9cm when the discharge is 7, 000CMS which corresponds to 4.5cm of standard flood level of MOC. Therefore, so it may be possible to neglect the influence of the tidal fluctuation when the peak discharge of a flood is bigger than 7, 000CMS.
이종태,유병하,박도웅,Lee, Jong-Tae,Yu, Byeong-Ha,Park, Do-Ung 대한흉부심장혈관외과학회 1988 Journal of Chest Surgery (J Chest Surg) Vol.21 No.4
Between April 9, 1986 and September 2, 1987, 134 patients underwent open heart surgery with hypothermic cardiopulmonary bypass and cold blood cardioplegia. There were 65 patients[48.5%] of acyanotic congenital cardiac anomalies, 19 patients[14.2%] of cyanotic congenital cardiac anomalies, and 50 patients[37.3%] of acquired heart diseases, which included 49 valvular diseases and 1 myxoma. In 84 congenital cardiac anomalies, 44 patients were male and 40 patients were female ranged in age from 2 years to 57 years. In 50 acquired heart diseases, 18 patients were male and 32 patients were female ranged in age from 10 years to 65 years. The common congenital defects operated were VSD in acyanotic cardiac patients, and Tetralogy of Fallot in cyanotic cardiac patients. Among 50 acquired heart diseases, 49 patient underwent operation for cardiac valvular lesions. 33 patients had mitral valve replacement and 7 patients had aortic valve replacement. 1 patient underwent aortic valvuloplasty and 8 patients had double valve replacement. The operative mortality rate was 3.1%[2 out of 65 patients] in acyanotic cardiac patients, 5.3%[1 out of 17 patients] in cyanotic cardiac patients, and 12.0%[6 out of 50 patients] in acquired cardiac patients, with overall mortality rate of 6.7%[9 out of 134 patients].
울산시의 대기 중 분진과 일별 사망에 대한 연구 (1991년$\sim$1994년)
이종태,이성임,신동천,정용,Lee, Jong-Tae,Lee, Seong-Im,Shin, Dong-Chun,Chung, Yong 대한예방의학회 1998 Journal of Preventive Medicine and Public Health Vol.31 No.1
A large number of studies have indicated associations between particulate air pollution and daily mortality. Daily measurements of total suspended particulates (TSP) by high volume air sampler were matched to daily death counts supplied by the National Statistics Office, Korea. All deaths, except deaths from accidents, occurred at Ulsan from 1 January 1991 to 31 December 1994 were considered in the poisson regression analysis. The multiple regression models were used to investigate a main effects of air particulate pollution controlling for $SO_2$ levels, air temperature, relative humidity, seasonal variation, and calendar year. The results indicated that the effects of TSP, $SO_2$, temperature, and relative humidity were not significantly associated with all cause mortality. It could, however, be emphasized that the size of the parameter estimate of TSP was very similar to that of previous studies. An increase in particulates of $100{\mu}g/m^3$ was associated with a 3% increase in mortality. This relationship was observed at TSP levels well below the current National Ambient Air Quality Standard of $150{\mu}g/m^3$ in Korea as well.
항내(港內) 장주기파(長週期波) 해석(解析)을 위한 2차원(二次元) 부정류(不定流)의 수학적(數學的) 모형(模型)
이종태,이원환,Lee, Jong Tae,Lee, Won Hwan 대한토목학회 1983 대한토목학회논문집 Vol.3 No.1
장주기파(長週期波)에 의한 항내(港內)의 반응(反應)을 예측(豫測)하기 위하여 비선형(非線型) 편미분방정식(偏微分方程式)으로 표현(表現)되는 2차원(二次元) 부정류(不定流)의 운동방정식(運動方程式)과 연속방정식(連續方程式)을 확정(確定)하고, 이 식(式)들에 Abbott의 Implicit 형(型) 차분형(差分型)을 적용(適用)하여 유한(有限) 차분방정식(差分方程式)의 형태(形態)로 유도(誘導)한 후(後), double sweep 알고리즘에 의하여 해석(解析)하는 수학적(數學的) 모형(模型)을 개발(開發)하였다. 본(本) 모형(模型)은 임의(任意)의 파형(波形), 풍속(風速)과 수심(水深), 위도(緯度) 등(等)을 입력자료(入力資料)로 하여 임의(任意)의 지형(地形)을 가진 항내(港內)에서의 반응(反應)을 해석(解析)할 수 있도록 설계(設計)되었다. 특(特)히 파향(波向), 이송항(移送項), 항입구(港入口)로 되돌아 나오는 에너지의 방사현상(放射現象) 등(等)을 수치해석적(數値解析的)으로 처리(處理)하는 수법(手法)의 개발(開發)에 관(關)하여 연구(硏究)하였다. 본(本) 모형(模型)에 의한 해석결과치(解析結果値)는 1차원(次元) 및 2 차원(次元) 정진동(靜振動)(seiche) 수치실험(數値實驗)을 통(通)하여 검정(檢定)하였으며, Ippen과 Goda의 이론해석치(理論解析値) 및 실험결과치(實驗結果値)와 비교(比較)하였다. A mathematical model for the two-dimensional unsteady flow was developed by introducing Abbott's implicit finite difference operator and double sweep algorithm, which could be applied to simulate the respose of a harbor against the intrusion of long waves through the entrance connected to open sea. In order to improve its accuracy corresponding to the field phenomena, bottom resistance, Coriolis force, wind effect terms were included and wave direction and radiating effect was considered. The result of seiche test was always stable and the amplitude was accurate. Some phase shift was occured, but it could be reduced by using small values of Courant number and many points per a wave length as well. A comparision with the Ippen and Goda's theoritical and hydraulic experimental works was fulfilled.