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        검색결과 6

        1.
        2024.04 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구는 프로그램 운영기준을 확인하기 위해 2018년부터 국내외에서 발표된 치유농업 관련 분야의 실험연구 동향을 분석하기 위해 수행되었다. 식물자원 및 치유농업과 관련된 논문은 총 103편으로, 치유농업 프로그램에 참여하는 연구대상자 규모는 31명 이상, 총회기는 11~20회, 단위 활동당 시간은 60분 이내, 단위 활동간 간격은 주 1회, 기간은 2개월이 가장 많았다. 데이터 정보 변인간 관계를 알아보기 위해 논문기초정보와 그에 따른 데이터 정보 변인인 대상자 정보, 프로그램 정보의 유의한 연관성이나 차별성이 있는지 확인하기 위하여 카이제곱 검정을 실시한 결과, 저자전공과 대상자정보·프로그램 정보는 대부분 항목에서 관계가 있었으나 저자소속, 발행연도, 논문구분, 치유유형 등은 1 또는 2개의 항목에서만 관계가 있었고, 종속변수 치유문제-중분류는 저자소속을 제외한 저자전공, 발행연도, 논문구분, 치유유형 항목 모두에서 유의미한 관계를 보였으며, 치유문제-대분류는 저자소속과 발행연도를 제외한 저자전공, 논문구분, 치유유형 3개의 변인과의 관계가 있는 것으로 나타났다. 본 연구결과를 토대로 향후 치유농업 연구에 기초자료로 제공하고 현장에서의 활용도를 높여 치유농업의 신뢰도를 높이는 데 기여하고자 한다.
        4,300원
        2.
        2023.11 구독 인증기관·개인회원 무료
        The nuclear fuel that melted during the Fukushima nuclear accident in 2011 is still being cooled by water. In this process, contaminated water containing radioactive substances such as cesium and strontium is generated. The total amount of radioactive pollutants released by the natural environment due to the nuclear accident in Fukushima in 2011 is estimated to be 900 PBq, of which 10 to 37 PBq for cesium. Radioactive cesium (137Cs) is a potassium analog that exists in the water in the form of cations with similar daytime behavior and a small hydration radius and is recognized as a radioactive nuclide that has the greatest impact on the environment due to its long half-life (about 30 years), high solubility and diffusion coefficient, and gamma-ray emission. In this study, alginate beads were designed using Prussian blue, known as a material that selectively adsorbs cesium for removal and detection of cesium. To confirm the adsorption performance of the produced Prussian blue, immersion experiments were conducted using Cs standard solution, and MCNP simulations were performed by modeling 1L reservoir to conduct experiments using radioactive Cs in the future. An adsorption experiment was conducted with water containing standard cesium solution using alginate beads impregnated with Prussian blue. The adsorption experiment tested how much cesium of the same concentration was adsorbed over time. As a result, it was found that Prussian blue beads removed about 80% of cesium within 10-15 minutes. In addition, MCNP simulation was performed using a 1 L reservoir and a 3inch NaI detector to optimize the amount of Prussian blue. The results of comparing the efficiency according to the Prussian volume was shown. It showed that our designed system holds great promise for the cleanup and detection of radioactive cesium contaminated seawater around nuclear plants and/or after nuclear accidents. Thus, this work is expected to provide insights into the fundamental MCNP simulation based optimization of Prussian blue for cesium removal and this work based MCNP simulation will pave the way for various practical applications.
        5.
        2016.12 KCI 등재 서비스 종료(열람 제한)
        This study started with the issue that the criteria for the general image scale used in outdoor color planning are vague and the vocabulary and expressive area of the scale are not accurate. As an exterior color planning guideline, it is required to suggest a sensible image scale, which is an appropriate assessment tool for outdoor environment. We identified psychological attributes of colors and set the color image scale axis as “Soft–Hard” in a vertical and “Warm–Cool” in a horizontal. 26 sensibility languages were finally selected for the image scale through literature review, pre-analysis, and expert evaluation. All types of colors extracted from analyzing over 600 photo images were categorized according to 26 sensibility languages. 3 colors by each sensibility language were finally selected and arranged in the color image scale in accord with the outdoor environment of the apartment houses. The significance of this study is that wide range of color position in the color image scale could be utilized as an effective guideline for actual color planning by upgrading the existing color image scale to a higher level with the color reflecting sensibility language. The result also implies that the development of diversified color palette is required especially for the exterior color planning of apartment houses, and the systematical color design process should be established in order to improve the quality of color environment.
        6.
        2016.10 서비스 종료(열람 제한)
        Background : This text was conducted to compare the difference of fatty acid by part and ha bitat of Glehnia littoralis in Korea Midwest. Methods and Results : In Glehnia littoralis, Saturated fatty acid consisted of palmitic acid, ste aric acid, and unsaturated fatty acid was oleic acid, linoleic acid, linolenic acid. Content of w hole fatty acid was the most as 42.8% linoleic acid, and stearic acid was less best as 2.9%. Other fatty acid were oleic acid 27.1%, palmitic acid 15.3%, linolenic acid 11.9%. Fatty acid by plant part it was the most in leaf that linoleic acid (31.4%), and it was the most in root t hat linoleic acid (68.3%), and it was the most in breed that oleic acid (65.5%). Fatty acid by natural habitat contained in Incheon area located in high latitude more than Taean area. Conclusions : In Glehnia littoralis of Korea Midwest, The collection and cultivation of medici nal scope was broader, because difference of fatty acid content by natural habitat was light.