• 대한가정학회지
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• 제41권6호
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• pp.105-117
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• 2003

This study was intended to investigate specific plan to enhance the adolescents consumers' environment-friendly consumption behavior in their consumption. For this purpose, a questionnaire was conducted among middle and high school students. As a result, the following findings were obtained: The related items in the questionnaire were categorized into factors in an attempt to investigate consumers' environment-friendly consumption. Factor I was coded as active recycling and the use of refilled products and Factor Ⅱ was coded as the behavior of active savings. Adolescents consumers with more experiences in environmental activity showed the higher level of behavior of environment-friendly consumption, and female adolescents consumer did so than male adolescents consumer And adolescents consumers showed the higher level of practical behavior of environment-friendly consumption in case of data and document arrangement than in case of cleaning, and in case of voluntary social service than in case of only cleaning.

• 한국유기농업학회지
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• 제21권2호
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• pp.171-187
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• 2013

The environment-friendly agricultural product market receives consumers' great interests despite relatively few studies focused on consumers' decision making process of the environment-friendly agricultural products. This paper examines what factors influence on consumers' attitude and buying behavior on the environment-friendly agricultural product. In order to find the relative importance of each factor's influence, this study adopts multiple regression method based on the survey results of 500 people with the systematic random sampling. The results showed that consumers' favorable attitude towards the environment-friendly agricultural product were influenced by taste, freshness, food safety, and positive attitudes toward the environment-friendly agricultural product promotion. In addition, consumers' purchase intention was influenced by taste, food safety, environmental concern, and the promotion. Respondents recommend the environment-friendly agricultural product when they believe that the environment-friendly agricultural product had the values of taste, environmental concern, and promotion. Women are more active in buying and recommending the environment-friendly agricultural product; however, the price was not the statistically meaning factor. This study provides empirical data that was used for marketing and increasing the sales of the environment-friendly agricultural product. Future research was advised to examine more thoroughly on the relationships between the promotion efforts and purchase intention and the occasions when the price becomes the issue in the buying decision of the environment-friendly agricultural product.

• 한국항행학회논문지
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• 제16권6호
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• pp.944-951
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• 2012

위성항법의 가시성, Dilution of Precision (DOP), 신호대잡음비 등과 같은 위치결정 성능지표는 개활지 환경과 같이 항법위성의 가시성이 좋은 지역에서 그 활용도가 높으며, 육상교통환경의 경우 그 활용도가 낮다. 본 논문은 육상교통환경에서 위성항법 신호를 활용하여 위치결정을 수행하는 경우 활용도가 높은 성능지표로 Sky View based DOP (SVDOP)을 제안한다. SVDOP은 Sky-View Factor(SVF)를 응용하여 개발되었으며, 기존의 SVF의 문제점을 극복할 수 있다. Sky-View 영상을 활용하여 특징점을 선택하고 이를 활용하여 DOP를 계산할 수 있다. 제안된 방법을 이용하는 경우 SVF 사용보다 육상교통환경에서 위치결정 성능 예측에 용이함을 확인할 수 있다.

• 한국지리정보학회지
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• 제3권1호
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• pp.12-22
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• 2000

최근 낙동강 유역권의 급격한 도시화 및 산업화로 인해 광역적인 환경문제를 초래하고 있는데, 이러한 관점에서 대규모의 공업단지조성 및 택지개발이 이루어진 낙동강 중 상류지역을 대상으로 유역환경에 영향을 미치는 변수를 선정한 후, 지리정보시스템과 다변량통계기법을 이용하여 공간 및 환경적 특성을 규명하고자 하였다. 유역환경변수에 의한 인자분석 결과, '도시적 오염인자', '농업적 오염인자', '공업적 오염인자'로 명명된 3개의 공통인자가 추출되었다. 공간적 분포패턴은 인자분석에 의해서 추출된 인자점수를 지리정보시스템을 이용하여 공간자료와 연계시킴으로써 그 특성을 효과적으로 규명할 수 있었다. 분석결과를 요약하면, 낙동강 수계에 직 간접적으로 영향을 미치는 오염원이 낙동강 본류와 주요 지류인 금호강 유역권에 집중적으로 분포하고 있어, 향후 낙동강 하류지역의 환경용량을 고려한 광역적인 관점에서의 유역환경관리가 이루어져야 할 것으로 판단된다.

• 환경영향평가
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• 제20권3호
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• pp.313-324
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• 2011

The purpose of this study is to present the raw data for establishing the plan of top soil conservation in soil environment and preventing the soil loss by establishing the potential amount of soil loss using RUSLE. The results are as follows. To apply the RUSLE model, we calculated the potential amount of soil loss by using 5 factors; rainfall erosion factor(R), topographical factor(LS), soil erosion factor(K), land cover factor(C) and erosion control factor(P). The assessment map of soil loss was drawn up by classifying 5 grades. According to the soil loss estimation by the RUSLE, it showed that approximately 83.9% of the study area had relatively lower possibility of soil loss which was the 1 ton/ha in annual soil loss. Whereas, the 7.0% of the study area was defined as high risk area which was the 10 ton/ha in annual. Therefore, this area was needed that there was environment-friendly construction of farm land, improvement of cultivation environment and so forth. In future, if we will analyze the amount of soil loss of Gyeongju national park and Hyeongsan river watershed, we will offer the help to establishing the conservation plan of soil environment in Gyeongsangbuk-do.

• Journal of Advanced Marine Engineering and Technology
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• 제15권1호
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• pp.51-58
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• 1991

Corrosion fatigue test was performed by the use of plane bending fatigue tester in marine environment having various specific resistance from 25(natural sea water) to 5000.ohm.cm. It is in order to investigate the effects of marine environmental factor on the corrosion fatigue fracture of SS41 steel. The main results obtained are as follows; 1. The aspect ratio(b/a) of corner crack growing in natural sea water is lower than that in air. 2. The surface crack growth rate(da/dN) in marine environment is faster than that in air and da/dN delaies with the specific resistance increased. 3. The experimental constant m of paris rule [da/dN=C(${\delta}$K)$^m$] decrease with the specific resistance decreased and the effect of corrosion in proportion to the specific resistance is more sensitive than that of stress intensity factor range(${\delta}$K) under region II. 4. The accelerative factor(${\alpha}$) in marine environment is about 1.1-2.7 and .alpha. is increase under the low region of stress intensity factor range(${\delta}$K). 5. The electrode potential($E_0$) gets less noble potential with the specific resistance decreased.

• 한국주거학회논문집
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• 제7권2호
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• pp.139-151
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• 1996

The Purpose of this study is to examine residents' subjective satisfaction of the elderly housing environment and to suggest some major factors which can be used as basic design guidelines for the elderly housing. as the number of the elderly is growing in Japan For this purpose. data were collected through a questionnaire survey method, Some questions on their hope for the conditions of the elderly housing were asked to 265 old People living in the suburbs of Chiba city. Japan. Based on the findings of the statistical factor analysis, the major factors which affected on the elderly housing environment of the study can be summarized as follows ;(1)Factor1 is correlated with the space design element represented by the elderly dwelling performance and overall efficiency for the dwelling exterior space design (2)Factor2 is relative to the interior environmental element with Physiological and sensitive performance for borne services system. (3)Factor3 can be explained the moving and communication performance for Physical uneasiness of outdoor activities and request of public cultural spaces. (4)Factor4 is relative to the mental rest element with safety accidents for moving activities etc. and psychological isolation for the elderly.

• 한국생활과학회지
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• 제19권6호
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• pp.1103-1113
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• 2010

The purpose of this study was to examine the consumption behaviors regarding environment-friendly agricultural products by food-related lifestyles of housewives. The data were collected from 298 housewives living in Yeungnam region through a self-administered questionnaire during April, 2010. Frequencies, Cronbach's $\alpha$, factor analysis, cluster analysis, one-way analysis of variance, Duncan's multiple range test and chi-square test were conducted by SPSS Windows. The results obtained from this study were as follows. Lifestyles were categorized into five factors by factor analysis: healthy-seeking type, popularity-seeking type, convenience-seeking type, safety-seeking type and taste-seeking type. The respondents belonged to one of three groups by cluster analysis: popularity-seeking group, convenience-seeking group, and wellbeing-seeking group. The main reason given for purchasing environment-friendly agricultural products was safety. The respondents were satisfied with the safety of environment-friendly agricultural products the most. Many respondents purchased environment-friendly agricultural products at large discount markets, and received information about them from mass media. There were significant differences among three groups in the place of purchase environment-friendly agricultural products, information source for environment-friendly agricultural products, most important factor when purchasing environment-friendly agricultural products, the level of satisfaction with environment-friendly agricultural products and the purchase rate of environment-friendly agricultural products among the monthly food expenses.

• 한국환경과학회지
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• 제25권6호
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• pp.767-787
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• 2016

In this study, we analyzed on-site monitoring data for 15 tributaries in Geumho watersheds for 3 years (2011-2013) in order to sort out priorities on water quality characteristics and improvement. As a result of estimating contribution to contamination of the tributary rivers, Dalseocheon showed the highest load densities, despite the smallest watershed area, with 22.7% $BOD_5$, 30.7% $COD_{Mn}$, 31.3% TOC and 47.6% TP. After conducting PCA (principal component analysis) and FA (factor analysis) to analyze water quality characteristics of the tributary rivers, the first factor was classified as $COD_{Mn}$, TOC, EC, TP and $BOD_5$, the second factor as pH, Chl-a and DO, the third factor as water temperature and TN, and the fourth factor as SS and surface flow. In addition, arithmetical sum of each factor's scores based on grading criteria revealed that Dalseocheon and Namcheon were classified into Group A for their highest scores - 96 and 93, respectively -, and selected as rivers that require water environmental management measures the most. Also, water environmental contamination inspection showed that Palgeocheon had the most number of aquatic factors to be controlled: $BOD_5$, $COD_{Mn}$, SS, TOC, T-P, Chl-a, etc.

• 농촌계획
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• 제17권4호
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• pp.1-11
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• 2011

This study analyzed push, pull motivation factors and satisfaction of visitors who visited Yangdong village in order to maintain, conserve and seek for effective utilization of this village. The result of this study was summarized as follows. Firstly, the result was that 'personal relations' has a positive impact on 'regional environment' and 'amenities', 'the pursuit of knowledge' has a positive impact on 'regional environment' and 'amenities' on the correlation between the visit motivation and the visit satisfaction. Secondly, 'the pursuit of knowledge' and 'the desire to new experience' have positive impact on the visit satisfaction on a part of the push factor generally. Physical environment was a only factor that has a positive impact on the visit satisfaction on a part of the pull factors. Thirdly, the intention of recommendation was a only factor to has a positive impact on the visit satisfaction on the correlation between the intention of return visit, recommendation and the visit satisfaction. It was proved that the intention of return visit was strongly associated with the intention of recommendation. This result of this study confirmed the important pull and push factor to enhance the tourist attraction of Yangdong village. It will be helpful to make the preliminary data for planning and conservation guidance of traditional village.