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A Study on Information Consumption Behavior Structure of Rural Residents in Changchun, China
유혜주,정기영,김형호 한국융합학회 2020 한국융합학회논문지 Vol.11 No.1
This study aims to deeply analyze the information consumption behavior structure of rural residents in Changchun, China. and further improve the information consumption level of rural residents. Questionnaire survey and statistical analysis were used in this study. First, Through in-depth interview and open questionnaire collection and compilation of measurement questions. Secondly, residents in 15 rural areas around Changchun were selected for the survey, Finally, SPSS23.0 was used for exploratory factor analysis of recovered data, and Mplus7.4 was used for confirmatory factor analysis. The results show that the structure of information consumption behavior of rural residents in Changchun includes three dimensions of information demand, information literacy and payment ability, which is corresponding to the previous studies on information consumption behavior structure's demand power, purchasing power and information quality. This study has certain empirical validity.
유혜주,정기영,김형호 한국융합학회 2020 한국융합학회논문지 Vol.11 No.7
The purpose of this study is to investigate and evaluate the characteristics of information consumption between rural and urban residents. In this study, the data were collected through a survey and in-depth interview consisting of 121 information consumption questions for the residents of 15 cities and rural areas located in Jilin Province, China, and 985 effective responses were analyzed using SPSS 23.0. Analysis of information consumption characteristics by age, type of household and gender for urban and rural residents showed that there was a large interaction between age and gender, age and type of household, type of household and gender. This study can contribute to narrowing the information service gap between urban and rural residents and utilizing the potential of information consumption. The study is limited to analyzing only residents of Jilin Province in China and needs to expand the scope of future investigations.
유혜주(H. J. Yoo),박영준(Y. J. Park),조규진(K. J. Cho) Korean Society for Precision Engineering 2021 한국정밀공학회 학술발표대회 논문집 Vol.2021 No.11월
프로 운동선수가 아니더라도 건강을 목적으로 가벼운 달리기를 하는 사람들이 늘어나는 추세이다. 그렇기에 달리기와 관련된 부상도 늘고 있다. 무릎 부상, 발목 염좌, 아킬레스건 부상, 피로골절 등 다양한 부상이 있고 부상의 이유도 다양하지만, 특히 착지 충격으로 인한 부상이 많다. 쿠션이 두꺼운 신발을 착용하면 충격 흡수가 더 잘 되어서 안전할 것이라고 쉽게 생각이 되지만, 보행 및 달리기는 착지만 하는 것이 아닌 도약도 있는 순환적인 운동이다. 많은 연구가 진행되고 있고, 운동화가 안전에 미치는 효과에 대한 결과도 다양하다. 쿠션이 충격을 흡수하는 것은 대부분 맞지만, 사람은 쿠션의 높이와 푹신함에 따라서 키너매택스가 달라지며 근육의 활성도 또한 전체적인 안전에 큰 영향을 미친다. 그렇기에 사람의 근육 활성도에 따라 달라지는 전체적인 키너매텍스와 보행 또는 달리기 도중에 있는 주기들을 고려한 쿠션 설계가 필요하다. 본 연구에서는 공압을 사용한 쿠션을 제작하여 다양한 쿠션 특성을 만들어 내는 로보틱 디바이스를 개발하였다. 신발 바닥에 붙일 수 있는 천 기반 공압 쿠션은 안정성을 위해서 발굽 모양으로 제작이 되었고, 다양한 범위의 특성을 만들어 낼 수 있도록 공압을 사용하였다. 쿠션의 성능을 확인하고 사람이 착용하였을때 나오는 효과를 검증하기 위해서 점프 테스트를 진행하였고, 부상과 연관성을 가진 지표인 순간 최대 수직 하중 증가율(Vertical Instantaneous Loading Rate)이 줄어드는 것을 확인하였다.
兪惠珠,金有根,文勝義 부산대학교 환경문제연구소 1984 環境硏究報 Vol.2 No.-
The purpose of this study is to analyze synoptically some characteristics of the surface inversion at Kori, southeastern part of Korea and to be useful for a searching examination of the air pollution potenial at a coastal industrial region. The data used in this study are the temperatures at 20m and 1.5m above the surface, wind velocity and wind direction observed hourly at the monitoring station which is located at Gilcheon-ri (N35˚19'44", E129˚17'20") near Kori in Korea, from December, 1967 to November, 1970. By analyzing these data statistically and synoptically, the following results were acquired. 1) The occurence frequency of the surface inversion is the highest in November and the lowest in June. In seasonal variation, autumn has the highest and summer has the lowest occurrence frequency. 2) The modes of the onset and dispersion times of the surface inversion are 18:00 and 08:00 respectively. The annual mean duration of the surface inversion is 11.3 hours. 3) The aspects of annual variations of inversion intensity and occurrence frequency with time are similar to each other and also have a close connection with sunrise, sunset and the changing time of land and sea breezes. 4) According to Pasquill's stabillity classification in inversion cases, it was proved that there are the classes of E, F and G being stable in inversion cases at Kori.