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도시농업 참여 의도에 영향을 미치는 요인 - 가구 구성의 조절 효과 -
윤중환 ( Yoon Joong-whan ),허철무 ( Heo Chul-moo ) 한국유기농업학회 2020 韓國有機農業學會誌 Vol.28 No.3
This study was conducted to analyze the factors influencing participation intention in urban agriculture. The theoretical foundations of the study were Theory of Planned Behavior (TPB) and Pine and Gilmore’s Experiencel Economy. The type of household composition was set as the moderating variable between these independent and dependent variables. In order to test the research model, hierarchical regression analysis was conducted on 439 effective respondents. The empirical analysis results are as follows. Educational experience factors, escapist experience factors, attitudes, subjective norm, and perceived behavioral control, which were set as independent variables to positive (+) influence participation intention in urban agriculture. In addition, the impact of their influence relationship was as follows : perceived behavioral control > attitudes > escapist experience factor > subjective norm > educational experience factor. On the other hand, as a result of analyzing the moderating effect according to the household composition, there was a significant difference in the effect of educational experiences, escapist experiences, and subjective norm on participation intention in urban agriculture. Significant results were not tested on the moderating effects between attitudes, perceived behavioral control, and participation intention in urban agriculture. Based on the results of this empirical analysis, academic and practical implications were presented.
산후조리원에서 전원되어 입원한 신생아 급성 장염 환자들에 대한 임상적 고찰
김종서,이해성,최중환,신윤정,구미림,김성신,김희석,김은아,윤신원,권재훈,윤신원,김종훈,신선희,구성경,양승,유신,안영민,김은미,이동환,Kim, Jong Suh,Lee, Hae Sung,Choi, Jung Hwan,Shin, Yoon Jung,Koo, Mi Lim,Kim, Sung Sin,Kim, Heui Suck,Kim, Eun Ah,Yoon, Sin Won 대한소아감염학회 2003 Pediatric Infection and Vaccine Vol.10 No.2
목 적 : 최근 서울, 경기지역의 산후조리원에서 전원된 신생아들에서 설사와 동반된 체중감소, 대사성 산증 증세를 보이는 급성 신생아 장염이 집단 발생하여 최근 서울, 경기지역 9개 병원에서 경험하였던 예들을 분석하여 질병의 원인과 경과, 특징을 알아보고자 하였다. 방 법 : 서울, 경기지역 9개 병원에서 2001년 10월부터 2002년 7월까지 산후조리원에서 전원되었던 신생아 33명을 대상으로 하여 혈액 pH <7.20, 호흡부전, 인공호흡기의 사용, 쇼크, 범발성 혈관내 응고증 중 한가지 이상의 소견이 포함된 18명을 중증군, 나머지 15명은 중등도군으로 나누어 후향적 조사를 실시하였다. 결 과 : 중증군의 연령이 중등도군에 비해 유의하게 높았고(P=0.005), 재태 연령과 출생체중, 입원당시 체중은 차이가 없었으나, 체중감소는 중증군에서 유의수준에 근접하여 더 심하게 나타났다(P=0.0512). 혈액검사에서 중증군이 중등도군에 비해 백혈구 및 혈소판수가 유의하게 더 높았고(P=0.0362, 0.1436), 혈액가스검사에서 중탄산염이 중증군에서 더 낮았다(P=0.032). 바이러스 검사에서는 로타바이러스 검사가 중등도군에서 13례 시행에 5례, 중증군에서 15례 시행에 2례가 양성이었고, 아스트로바이러스 검사가 중등도군에서 3례 시행에 1례, 중증군에서는 3례 시행했으나 모두 음성이었다. 중등도군은 치료 후 모두 회복되었으나 중증군 4례에서는 환아가 사망하였다. 결 론 : 신생아 장염환자들은 조기에 발견 치료하는 것이 중요하며 이를 위해 최근 늘어난 산후조리원의 법제화 및 전문의료인력 배치가 필요하다. 본 연구에서는 중증군 환아들이 중등도군 환아들보다 늦게 치료를 받기 시작해 증상이 심했다고 추정되나 원인균이나 산후조리원 이외 지역의 장염 환아들과 비교에 대한 결론을 내릴 수 없어 향후 신생아에서의 급성장염에 대한 역학조사가 더 필요할 것으로 생각된다. Purposes : Recently, acute gastroenteritis broke out among the neonates transferred from postpartum care centers located in Seoul, and Gyeounggi area. Thus, we researched the cause, progress and characters of the disease by analyzing the cases from 9 hospitals in Seoul and Gyeounggi area. Methods : We conducted retrospective study of 33 neonates transferred from postpartum care centers from October 2001 to July 2002 : we divided the neonates into 2 groups. The severe group had any of following 5 conditions : blood pH <7.20, respiratory difficulty, mechanical ventilation, shock, and disseminated intravascular coagulation. And the rest were classified into the moderate group. Results : The severe group was significantly more aged than the moderate group(P= 0.005). Weight loss was significantly severe in the severe group(P=0.0512). In blood gas analysis, bicarbonate was less in the severe group than the moderate group(P=0.032). In the virus examination, rotavirus was detected in 7 cases, and astrovirus was detected in 1 case. In the severe group, 4 neonates were dead. Conclusion : In acute gastroenteritis of neonates, early diagnosis and treatment are important. Thus, the legislation of postpartum care center is needed, and the medical specialists should be stationed in postpartum care center. We assume that the severe group had severe conditions because they were treated comparatively late. However, to find out the cause of the disease and to cope with it, the nationwide epidemiologic study on acute gastrenteritis of neonates is needed.
이수용(Su Young Lee),이성범(Seong Beom Lee),감문갑(Moon Gab Kam),윤중환(Jung Whan Yoon) 한국자동차공학회 2004 한국자동차공학회 지부 학술대회 논문집 Vol.- No.-
Connecting rod is one of the most important part in an engine system. It is fitted between the crosshead and the crankshaft and converts the piston's reciprocation motion to rotary motion with the crankshaft. Connecting rod should be able to withstand tremendous load and transmit a great deal of power but it takes different types of loads so it is the most stressed part in an engine system. In the previous research, most of failures occur at big end of connecting rod because the Conner radius at big end has effect on stress raising so in this research stress analysis by Finite Element Method was carried out for connecting rod at big end.
김성진(Sung-Jin Kim),이성범(Seong-Beom Lee),윤중환(Jung-Whan Yoon) 한국자동차공학회 2003 한국자동차공학회 지부 학술대회 논문집 Vol.2003 No.5
Korean tank has been used from the end of I 980's. Even though Korean tank is regarded as the tank which is made in Korea, a lot of parts still need to be imported from abroad. Therefore, the localization for the parts of Korean Tank is necessary to be set free from the rate of dependence on imports.<br/> In this research, one of the most important part of Korean Tank, Lever, was considered to carry out localization. For the first step, two dimensional drawing and three dimensional modeling of the Lever was done. Secondly, the stress analysis was carried out for Lever and it is shown that the predictions of the proposed modeling are in very good agreement with the expected results.
김성진(Sung-jin Kim),이성범(Seong-beom Lee),윤중환(Jung-Whan Yoon) 한국자동차공학회 2003 한국자동차공학회 지부 학술대회 논문집 Vol.2003 No.10
M48 tank has been used from the end of 1950's. Even though M48 tank is regarded as the tank which is made in Korea. a lot of parts still need to be imported from abroad. Therefore, the localization for the parts of M48 tank is necessary to be set free from the rate of dependence on imports.<br/> In this research, one of the most important part of M48 tank, connecting rod, was considered to carry out localization. For the first step, two dimensional drawing and three dimensional modeling of the connecting rod was done. Secondly, the stress analysis by the Finite Element program was carried out for connecting rod and it is Shown that the predictions of the proposed modeling are in very good agreement with the expected results.<br/>