• Journal of Environmental Health Sciences
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• v.50 no.3
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• pp.191-200
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• 2024

Background: Busan is a rapidly industrializing city with many mixed residential and industrial areas. Fine dust emissions from mobile pollution sources such as ships and vehicles are particularly high in Busan. Objectives: This study analyzed the spatial distribution of air pollutants over the past three years and identified the impact of air pollutants through mobile source data in Busan. Methods: We obtained air pollutant data on fine particulate matter (PM₁₀), ultrafine particulate matter (PM_2.5), nitrogen dioxide (NO₂), sulfurous acid gas (SO₂), and ozone (O₃) for the last three years (source: airkorea.or.kr) and analyzed the spatial distribution using SAS 9.4 and Surfer 23. For the mobile pollutant data, we used CCTV data from major intersections in Busan to identify truck and car traffic, and visualized traffic density with QGIS. Results: The analysis of the concentration of air pollutants over three years (2020~2022) showed that all were lower than the annual environmental standards with the exception of PM_2.5. PM₁₀ and PM_2.5 were found to be highly concentrated in the western part of the area, while NO₂ was high in the port area of Busan and SO₂ was high in the western part of the area and near the new port of Busan. In the case of O₃, it was high in the eastern part of the city. The traffic volume of freight vehicles by intersection was concentrated in the West Busan area, and the traffic volume for all cars was also confirmed to be concentrated at "Mandeok Intersection" located in the West Busan area. Conclusions: This study was conducted to determine the relationship between air pollutants emitted from motor vehicles and the distribution of air pollutants in Busan. The spatial distribution of PM₁₀ and PM_2.5 correlates with traffic volume, while high concentrations of SO₂ and NO₂ near the port are associated with ship emissions.

• Korean Journal of Psychosomatic Medicine
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• v.23 no.2
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• pp.121-128
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• 2015

Objectives : This study developed and validated the Perceived Stigma of Delirium Scale(PSDS), which is designed to measure perceived stigma associated with delirium in patients suffering from that disorder. Methods : Based on a literature review of scales assessing stigma, a preliminary scale comprising seven items was developed. After recovering from delirium, 128 patients completed the PSDS and the Distress Thermometer (DT). Factor analysis was used to examine construct validity, and internal consistency and test-retest reliability were examined to ensure reliability. Concurrent validity was assessed using the correlation between the total scores on the PSDS and the DT. Results : Factor analysis yielded a single-factor structure from the seven candidate items. One item was excluded due to low factor loading. The internal consistency was computed and Cronbach's ${\alpha}$ was 0.85 for the total score. The overall test-retest reliability was 0.71, with items ranging from 0.58 to 0.83. The total score on the PSDS was significantly correlated with the DT score. Conclusions : The PSDS may be a reliable, valid instrument for evaluating perceived stigma in patients who have recovered from delirium. Further study of the perceived stigma by delirium patients is required to assess the implications of the PSDS for clinical practice and research.

• The Journal of the Korea Contents Association
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• v.19 no.7
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• pp.186-191
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• 2019

Introduction: In aged people, stroke incidence is increased. But standardized experimental animal protocol study for the research of stroke therapy is rare. There is little report on the success rate of cerebral artery occlusion model using standardized Nylon thread length of precise thread end-size controlled. Method: In this study, the operator intended the occlusion of middle cerebral artery (MCA) using $0.18{\pm}0.02mm$ end 5-0 Nylon thread. Middle cerebral artery occlusion was induced for 60min under isoflurane anesthesia. After 60min, the operator removed the Nylon thread and reperfusion was induced for 23hrs. The mice was killed 23hrs after reperfusion and infarction area of brain was confirmed by 1.5% TTC (2,3,5-tryphenyl tetrazolium chloride) staining. Results: According to end size and insert length of Nylon thread, Middle cerebral artery occlusion (n=50), internal carotid artery occlusion (n= 14), distal middle cerebral artery occlusion (n= 36), anterior cerebral artery (n= 1) were induced. And no infarction (n= 50) was observed. Conclusion: According to weight of mice, the operator induced reversible cerebral artery occlusion model by different insert length (30.0~36.9g : 9.0mm, 37.0~40.0g : 9.5mm) of Nylon thread. Success of cerebral artery occlusion model was confirmed by checking infarction area using TTC staining. The success rate (66.9%, 101/151) of reversible cerebral artery occlusion model in the mouse and the operational conditions are shown.

• Korean Association of Arts Management
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• no.53
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• pp.207-247
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• 2020

is a project for the senior generation with humanistic knowledge to become a mentor and communicate with them to present the wisdom and direction of life to the new generations of mentees based on various life experiences. has been expanding since 2015, starting with the pilot operation in 2014. In general, projects such as these are assessed to establish effectiveness indicators to verify effectiveness and to establish project management and development strategies. However, most of the evaluations have been conducted quantitatively and qualitatively based on the short-term duration of the project. Therefore, in the case of continuous projects such as , especially in the field of culture and arts where long-term effectiveness verification is required, the short-term evaluation is difficult to predict and judge the actual meaningful effects. In this regard, tried to examine the qualitative change of key participants in this project through the 2017 and 2018 image tracking survey. For this purpose, we adopted qualitative research methodology through interview video shooting, field shooting, and value coding as a research method suitable for the research subject. To analyze the results, first, the interview images were transcribed, keywords were extracted, value encoding works were matched with human psychological values, and the theoretical method was used to identify changes and to derive the meaning. In fact, despite the fact that the study conducted in this study was a follow-up survey, it remained a limitation that it analyzed the changed pattern in a rather short time of 2 years. However, this study systemized the specific methodology that researchers should conduct for follow-up and provided the flow of research at the present time when there is hardly a model for follow-up in the field of culture and arts education business in Korea as well as abroad. Significance can be derived from this point. In addition, it can be said that it has great significance in preparing the detailed system and case of comparative analysis methodology through value coding.

• 한국노년학
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• v.31 no.3
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• pp.673-689
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• 2011

It is a qualitative study based on a focus group with an aim to figure out elderly people's experiences in health inequality in vulnerable health zones in agriculture and fisheries areas. Of eups, myeons and dongs selected as 40 vulnerable areas where standardized death rates had continued to be high from 2004 to 2007 in 20 counties and cities in Gyeongsang-do, 15 agriculture and fisheries areas were randomly chosen to extract 8 to 10 elderly people. Explanations were given to study subjects, and 7 to 8 people who agreed to take part in the study joined a regional focus group. Contents of interviews were analyzed with a phenomenological method by Colaizzi (1978) in order to accurately describe pertinent phenomena. The study has found four categories including ecological environmental problems, insufficient services for local community & harmful environmental problems, worsening economic conditions and insufficient health care management in terms of health behavior.

• Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
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• 2007.11a
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• pp.179-182
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• 2007

Recently, the circuits of fluorescent light-switches are separated for window-light, middle-lights, or corridor-light, etc in most offices and classrooms in this country. Although it is clean and shiny - more than standard intensity of illumination, it is common that fluorescent lights on the side of window are lighted. In this case, we can use a fluorescent light with a sensor, which is turned on and off automatically according to the amount of sunlight. I think that this plan can save energy, reduce the budget, and increase the effect of education. and so I studied on this plan.

• 한국정보교육학회:학술대회논문집
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• 2004.01a
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• pp.478-485
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• 2004

정보통신기술(ICT : Information and Communication Technology)은 멀티미디어 정보를 교실에 실시간으로 제공함으로써 교실 수업에 매우 다양한 방식으로 응용이 가능하게 되었다. 특히, 국가 주도하고 있는 ICT활용 교육은 교사 중심의 전통적 수업보다 학습자 중심의 수업을 가능하게 할 것으로 기대되고 있다. 이에 따라 교사들은 ICT활용 능력을 갖추고 이를 수업에 적용할 수 있는 지적, 경험적 노력을 필요로 한다. 본 연구는 현장에서 연수를 통하여 이루어지고 있는 ICT활용 교수-학습 과정안 개발을 예비 교원까지 확대하여 이들의 능력을 계발하고 전문성을 제고하고자 하였다. 이를 통하여 교원양성기판의 교육과정에 ICT 활용교육방법의 도입 및 활용을 촉진하고, 교수-학습 방법의 개선 및 교육의 질을 제고하는데 목적이 있다.

• 한국정보교육학회:학술대회논문집
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• 2004.01a
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• pp.66-73
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• 2004

교육정보화 사업의 일환으로 각 교실마다 교단선진화 기기라 불리는 장비들이 널리 보급되었다. 그 중에서도 대형 프로젝션 TV의 도입과 초고속 통신망의 발달은 웹과 멀티미디어 시디롬 자료를 교실 안으로 불러들이는 데 큰 역할을 했으며 거의 모든 교과에서 활용되고 있다. 특히 컴퓨터 수업의 경우 일대일 개인지도가 불가능한 다인수 학급에서는 프로젝션 TV로 프리젠테이션하면서 수업을 진행하는 경우가 대부분이다. 그러나 이러한 경우에도 모든 학생들에게 프리젠테이션 화면이 잘 보이지는 않으며 말로만 설명하기에 부족한 부분도 있다. 따라서 본 연구에서는 이러한 문제점을 해결할 수 있는 여러 가지 프로젠테이션 보조 프로그램들의 기능을 분석해보고 컴퓨터 수업을 진행하는 교사들이 효과적으로 프리젠테이션 할 수 있는 프로그램을 설계 개발하고자 한다.

• 한국정보교육학회:학술대회논문집
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• 2007.01a
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• pp.267-273
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• 2007

초등학교는 교실에서 생활하는 학생 수가 다른 건물에 비해 매우 많은 편이나 이를 관리할만한 적당한 환기 시스템도 갖추고 있지 못하다. 실내 환경 상태가 건강과 직결되면서 사회적 관심을 불러일으키고 있으나 그 환경에 노출된 학생들은 스스로 위해 요인을 인지하고 회피할 수 있도록 하는 환경 개선교육을 경험하지 못하고 있는 실정이다. 실제 측정된 데이터와 자료를 분석하여 일상생활에 관련된 주변 환경의 유해성 정보 및 어린이 건강호보를 위한 교육이 활발히 이루어진다면 실내 환경의 중요성 인식과 어린이 건강을 위한 환경 조성에 기여할 것이다. 이를 위해 본 연구에서는 관련 자료를 정리 분석하고 실제적인 실내 환경 교육 시스템을 설계 개발하여 수업현장에 적용해보고자 한다.

• Cross-Cultural Studies
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• v.37
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• pp.287-307
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• 2014

The purpose of this paper is to introduce a new and effective classroom speaking activity helping student's communication in real situation. It will be one of useful teaching techniques for teachers because it can be used with other various types of speaking activities together. The activity is designed by the researcher, and named as the Partner's Speech Reconstitution(PSR) in this paper. In chapter 2, Noticing and Output hypothesis which is the theoretic basis of the PSR will be described and the chapter 3 will explain activity methods and examples of the PSR, and then describe its merits and demerits. The researcher applied and practiced the PSR in the speaking class for international students in the K university for three semesters. This paper systematically introduces its organized activity. It helped learners elicit speaking performance of students who avoided talking in the speaking class, made the students concentrate in speaking activity, and helped the learners to talk sufficiently by inducing each student to reconstitute partner's speech production.