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조혜림 ( Cho Hyerim ),박순용 ( Park Soon Yong ),권민지 ( Kwon Minji ) 한국도로교통공단 2020 교통안전연구 Vol.39 No.-
This study aims to redefine the design standards of the Seoul Light Rail Transit (LRT) that will be implemented in the future to prevent problems through the analysis of user traffic characteristics of the Ui-line. Results showed that although the average number of daily users is only 55.5% compared to the estimated traffic demand, there is a high congestion on the trains during rush hour because of the large difference of proportions in both directions. We presented plans to improve the user convenience of the Ui-line as well as considerations for additional construction of more LRTs. In addition, we suggested a method of estimation for the crowded degree in LRT with the transportation card data.
조혜림 ( Cho Hyerim ),정영제 ( Jeong Youngje ),이호원 ( Lee Ho-won ),고광용 ( Ko Kwang-yong ),최은진 ( Choi Eun-jin ) 한국도로교통공단 2018 교통안전연구 Vol.37 No.-
In this study, a tram signal priority algorithm for the integrated operation of trams and general vehicles was developed, and the effectiveness of this algorithm was determined using a tram testrail. Active tram signal priority algorithms for the median tram rail of the urban arterial, early green, and green extension techniques were developed. We built a tram testrail with a length of 1.5 km and four virtual signal intersections. The case study showed that tram delay was improved by an average of 76%, and person delay, considering the number of tram and general vehicle occupants, was reduced by an average of 23%.
김은화(Eunhwa Kim),이미자(Mija Lee),조혜림(Hyerim Cho),이진영(Jinyeong Lee),양재숙(Jaesook Yang),송정은(Jeongeun Song),신은혜(Eunhye Shin),문영애(Yeongae Moon),정진아(Jina Jung),이은숙(Eunsook Lee),황정화(Jeonghwa Hwang),김명숙(Myungsoo 한국근거기반간호학회 2014 근거와 간호 Vol.2 No.1
Purpose: To evaluate the effects of blood culture’s clinical practice guideline on nurse’s knowledge, cognition, practice and false positive rates. Methods: Research instrument was developed to assess knowledge, cognition, practice of nurses regarding blood culture by investigators. It consists of 26 questions and verified validity. One hundred-two nurses participated in this study. A descriptive analysis was conducted to determine the subject’s characteristics and t-test, and Pearson’s correlation were conducted to evaluate the effects of guideline using SPSS 21.0. Results: After educating this guideline, nurse’s knowledge, cognition and practice of nurse significantly improved before education. The relations of correlation among knowledge and cognition, practice and knowledge, practice and cognition were statistically significant. In addition, although it was not statistically significant, false positive rate was decreased (pre-education 1.5%, post education 1%). Conclusion: The clinical practice guideline of blood culture may improve the nurse’s knowledge and nursing practice to decrease false positive rate in this study. The result of this research would provide the evidence-base practice in nursing as well as decline medical cost.