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강윤정(KANG, Yoon Jung),이지선(LEE, Ji Seon),윤윤진(Yoon, Yoon Jin) 대한교통학회 2016 대한교통학회 학술대회지 Vol.75 No.-
이 연구는 서울에 거주하는 어린이 보행자 도로 교통사고와 위험요인을 분석함에 있다. 이를 위해 본 연구는 서울특별시 및 교통사고분석 시스템 (Traffic Accident Analysis System, TASS )으로부터 정보를 수집 하여 분석하였다. 분석방법으로는 지리 정보 시스템 (GIS)을 활용하여 지역구별 위험도 지도를 구축하였다. 더불어, 단계적 회귀분석(step wise regression)을 활용하여 어린이 보행자 교통사고 특성을 검토하고 사고모형을 개발 하였다. 주요 결과로, 어린이 보행자 사고는 전체 어린이 교통사고 중 평균 47%를 차지하고 있으며 성북구, 동작구, 은평구의 어린이 교통사고 중 보행자 사고의 비율이 가장 높은 것으로 나타났다. 더불어, 세 가지 연령대 (6세 미만 어린이 보행자 사상자, 6세 이상 13세 미만 어린이 보행자 사상자, 13세 미만 전체 어린이보행자 사상자) 로 나누어 진행한 회귀 분석 결과, 각 연령대에 해당되는 보행자 교통사상자 수에 영향을 미치는 변수의 차이가 있었으며, 전 연령대에서 재정 자립도에 대해 음의상관관계로 나타났다. 마지막으로 서울시 어린이 보행자 사상자 수를 정량화 할 수 있는 지표를 도출하였다. 그 결과, 노원구가 세 연령대 모두에서 가장 높은 어린이 보행자 부상자 수를 가진 것으로 나타났고, 중구가 세 가지 연령대 모두에서 가장 낮은 보행자 부상자 수를 가진 것으로 나타났다.
GIS를 이용한 강원도 국가건강검진 취약지 분석 모형개발
강윤진 ( Yoon Jin Kang ),김계현 ( Kye Hyun Kim ),박재산 ( Jae San Park ),이정찬 ( Jung Chan Lee ) 경희대학교 경영연구원 2015 의료경영학연구 Vol.9 No.2
This study aims not only to present underserved areas with regard to national health screening in Gangwon province using GIS but also to identify factors associated with the participation rate of both national health screening and cancer screening. We used both Statistics Korea and United GIS data. The cost weight distance tool was performed to find underserved areas for both health screening and cancer screening. To analyze factors associated with the participation rate in each health screening, population ratio over 40 years old, income, health level, region(urban/rural) and vulnerability area index(VAI), i.e., underserved area rate in which a total elapsed time to the health screening institution is over 30 minutes, were used for dependent variables. Tobit regression model was performed using STATA 11.0. The VAI for health screening was the highest in the Samcheok-si(15.7%), followed by Inje-gun(18.8%), Youngwol-gun (19.7%), Hwacheon-gun(22.3%), etc. The VAI for cancer screening was the highest in Hongcheon-gun(16.7%), followed by Inje-gun(18.6%), Inje-gun(18.6%), Youngwol-gun(20.9%), Samcheok-si(22.2%), etc. As a result, there was no statistically significant variables to affect the participation rate for health screening. On the other hand, the participation rate for cancer screening was influenced by the VAI(-), region(-), health level(+), income(+) and population ratio over 40 years old(+). To better attain the national health screening rates, GIS technique could be an alternative for policy-makers to find underserved areas for national health screenings.
급성 하대정맥과 신정맥 혈전증으로 발견된 막성 사구체신염에서 전신적 혈전용해술로 치료된 1예
강윤정 ( Yoon Jung Kang ),조성우 ( Sung Woo Cho ),김태훈 ( Tae Hoon Kim ),황미원 ( Mee Won Hwang ),이혜영 ( Hye Young Lee ),조성균 ( Sung Kyun Cho ),김현정 ( Hyun Jung Kim ),김상현 ( Sang Hyun Kim ),박원도 ( Won Do Park ) 대한신장학회 2010 Kidney Research and Clinical Practice Vol.29 No.4
Thromboembolism is one of the common complications in nephrotic syndrome. The incidence of renal vein thrombosis in the setting of nephrotic syndrome varies from 5% to 62%. Membranous glomerulonephritis (MGN) has been rarely manifested as inferior vena cava (IVC) and/or renal vein thrombosis. We report a case of acute IVC and left renal vein thrombosis as initial manifestation of MGN. The renal vein thrombosis was successfully treated with systemic thrombolysis with temporary IVC filter insertion. After 4 months, MGN was diagnosed by renal biopsy.
강윤종(Youn-Jong Kang),윤병열(Byeong-Yeol Yoon),김장목(Jang-Mok Kim),임익헌(IK-Hun Lim),류호선(Ho-Seon Ryu),이주현(Joo-Hyun Lee) 전력전자학회 2005 전력전자학술대회 논문집 Vol.- No.-
대용량 동기 발전 전동기 운전에는 주로 사이리스터를 이용한 정지형 주파수 변환 장치(SFC : Static Frequency Converter)시스템이 널리 사용되고 있다. 국내의 기존에 연구되었던 SFC에 관한 알고리즘은 양수발전에 대한 연구가 주로 이루어 졌다. 가스터빈용 SFC는 가스터빈의 부하 특성에 의해 양수 발전의 기동제어 알고리즘에서 약계자 제어 알고리즘이 추가되었다. 본 논문은 가스터빈용 SFC에 적합한 약계자 제어 알고리즘을 제시하였으며 실효성 및 타당성을 시뮬레이션과 실험을 통해 검증하였다.
일반모와 미세모의 형태에 따른 인조치면세균막 제거 효과
강윤미 ( Yoon Mi Kang ),이병진 ( Byoung Jin Lee ),김동기 ( Dong Kie Kim ) 대한예방치과·구강보건학회 2011 大韓口腔保健學會誌 Vol.35 No.3
Objectives. Toothbrushing is the most fundamental self-help oral care, essential for the removal of dental plaque and food debris which can lead to caries or periodontal diseases. In order for patients to effectively select ideal toothbrush and maintain oral health, this study investigated the efficacy of different toothbrushes available on the market in the removal of dental plaque. Methods. A total of 156 pieces, from each of the three different types of standard manual toothbrushes and three slim-bristle type brushes for adults were randomly selected to be used as experiment units. The bristles of the different brushes were analyzed through a number of different processes. Data analysis was performed with Kruskal Wallis test and Man-Whitney`s U-test, Multiple linear regression at the significance level of alph=0.05. Results. The average surface area from which the artificial dental plaque was removed using the standard manual toothbrushes was 116.41 mm2 and using the slim bristle toothbrushes it was 121.82 mm2. The average buccal surface area from which the artificial dental plaque was removed using the standard manual toothbrushes was 86.93 mm2, and 88.11 mm2 using the slim bristle the slim bristle toothbrushes. The average dental sub-gingival area from which the artificial dental plaque was removed using the standard manual toothbrushes was 4.95 mm2 and 5.32 mm2 for the slim bristle toothbrushes. The average proximal surface area from which artificial dental plaque was removed using the standard manual toothbrushes was 24.79 mm2, and 28.38 mm2 for slim bristle ones. A statistically significant difference between the standard manual toothbrushes and the slim bristle was detected in the proximal surface (p<0.05). For the group consisting of the standard manual toothbrush, It was found that the smaller the difference in the length of implant brush, the greater the amount of plaque that was removed (p<0.05). Conclusions. According to the findings of the study, the factors influencing effective toothbrushing and brush designed indicate a need for further studies.