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우리나라 호흡기계질환의 역학조사에 사용되는 설문지의 신뢰도 분석 연구 - 일부 치과기공사를 대상으로 -
고재춘,Ko, Jai-Chun 대한치과기공학회 1995 대한치과기공학회지 Vol.17 No.1
The study was performed to compare the raliablity of two Korean version questionaires for respiratory symptoms and ilness being used in Korea. The subjects were 103 dental laboratory technician who divided into two groups as SUN-81-AL and SUN-93. The duration of test-retest was one two month. The differences between two groups interms of average age, height, and weight were negligible. The SUN-93 showed higher agreement compared to SUN-81-AL except items cough and smoking. The Sun-93 deserved to prefer to be used in resporatory epidemiologic study.
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우리나라에서 호흡기계 질환의 역학조사에 사용되는 설문지의 신뢰도 비교
고재춘,박정덕,장임원,홍연표 중앙대학교 의과대학 의과학연구소 1997 中央醫大誌 Vol.22 No.4
This study was performed to compare the reliability of two Korean version questionnaires SUN-93 by interview and SUN-81-AL by self-administered for epidemiologic study of respiratory symptoms and illness. The subjects were 103 dental laboratory technicians who divided into two groups. The duration of test-retest was one to two months. The difference between two groups in terms of average age, height, and weight was not significant. The SUN-93 showed higher kappa score compared to SUN-81-AL except for the cough and smoking items. The SUN-93 deserved using in self-administered epidemiologic study for respiratory disease. Both questionnaires have to be followed the correction with the easy, understand able, and ordinary need words and the change of contents of question.
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이상혁,고재춘 한국도시환경학회 2010 한국도시환경학회지 Vol.10 No.2
Using aeration reactor of high efficiency pure oxygen to remove the high concentration wastewater generated by the solution separated from food waste, the results got from a pilot test are summarized as follows. 1. The process composition to remove the high concentrated organic matter and the nitrogen of wastewater is the facilities to control the primary high liquid separation and the second biological control process is composed of the anoxic tank and the high pure oxygen aeration reactor and the separation membrane tank, and the advanced control is composed of the ozone and activated carbon treatment facility. 2. As the average concentration of 200,000 mg/L is separated into high liquid to mix with excess sludge, the water separated from high liquid is able to get the average of 32,000 mg/L, and when the load of about 20 kgCODCr/m3·d removes by the reactor of the pure oxygen aeration with high efficiency, it has been removed over the 98.7% to an outflow with average 422 mg/L. 3. As the BOD flows into the raw wastewater with 90,000 mg/L, an average concentration shows 32,000 mg/L after a primary high liquid separation and is able to get the effluent water under below 10 mg/L to remove 99.9% by the aeration reactor of high efficiency pure oxygen. 4. T-N represents average 1,520 mg/L when the raw wastewater with about 3,500 mg/L is separated from high liquid, and it is removed to the efficiency of 94.1% or more when it is controlled to inflow in the aeration reactor of high efficiency pure oxygen. 5. The T-P concentration of the separated liquid is average 723 mg/L and approximately 75% are removed by high liquid separation after a primary dewatering.
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최재용 ( Jae Yong Choi ),이동근 ( Dong Kun Lee ),이호철 ( Ho Chul Lee ),고재춘 ( Jae Chun Ko ) 한국환경보건기술학회(구 한국환경복원녹화기술학회) 2009 한국환경복원기술학회지 Vol.12 No.6
Payment of Forest Landscape Service (PFLS) is based on the value of landscape conservation and is a positive forest policy inducing the owners of mountains to improve environmental service quality with economic incentives. The purpose of this study is to test the feasibility of PFLS and find out the elements related to PFLS such as associated statutes, target applications, eligible owner`s requirements, and applicable environmental services. Research sites were selected in designated reserved forests by law and surveys were carried out with 28 professional forestry engineers and 10 owners of reserved forests located in Chungnam Province in November, 2008. As a result, the owners are willing to participate pilot-project of PFLS if they could have tax incentives. Preferred activities in their forestry are eco-tourism and carbon emission trading as PFLS business model. Although they expect low economic benefit from the PFLS, respondents answered introducing PFLS will give good opportunities for owners of a reserved forest to enhance willingness to manage their forestry properly for the landscape conservation. In this study, PFLS evaluation indicators and policy directions are established and recommends the strategies to cope with changing needs of forestry conservation by inducing the owners` active participation in the sustainable forest landscape management.
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김태희(Tae-Hee Kim),손은영(Eun-Young Son),고재춘(Jae-Choon Ko) 동아시아식생활학회 2007 동아시아식생활학회지 Vol.17 No.6
By focusing on the consumers who have experienced ethnic restaurants in Korea for the last three months, this research intends to figure out relations among utility motivation, pleasure motivation, ostentation motivation and feeling of pleasure and how they effect consumers' emotions and level of satisfaction to find out about more desirable services and characteristics for the consumers in order for the ethnic restaurants to secure more competitiveness, and to inform how they should set their aims for more success. This research limited surveyees to online consumers who have experienced ethnic restaurants in the past three months. The period of survey was from April 25 2007 to May 10 2007. For basic analysis of actual research, SPSS program was used to analyze the Cronbach α and factor analysis. And structural equation modeling analysis was used to analyze correlations and grade of effectiveness of variables proposed in the research hypothesis utilizing Window AMOS 5.0. As a result of this research, utility motivation has effect on the happiness and the other motivation has effect on the enjoyment. Enjoyment effect on the happiness and only happiness effect on the satisfaction. Satisfaction has effect on the re-visit intention. Through this research, it could proposes a strategic direction to which the increasing ethnic restaurants should develop themselves.
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