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한수곤,최정식,문영훈,엄미정,김갑철 한국환경농학회 2000 한국환경농학회지 Vol.19 No.2
동진강 수계의 수질현황을 파악하기 1994∼1998년 까지 4∼9월에 월 1회에 걸쳐 5개년간 조사한 결과를 요약하면 다음과 같다. 월별로는 빗물에 의한 희석효과로 7, 8월에 수질이 가장 양호하였으며, 4월이 다소 불량하였으나 수도생육 피해 한계농도에는 미치지 못하는 수준이었다. 지점별 수질현황은 생활하수 유입지인 정읍천과 지천의 폭이 좁은 원평천의 무기성분 함량이 높았으며 동진천 상류지역에서 가장 양호하였다. 연도별 현황은 '94년 이후 '95년까지는 수질이 악화되는 경향을 보였으나 '95년 이후로는 각 성분 함량이 낮았지는 등 점점 양호해지고 있으며 COD함량으로 볼 때 특히, 정읍천의 수질이 개선되고 있음을 알 수 있었다. 양이온과 음이온의 총당량온 4월에 가장 높았고 7, 8월에 가장 낮았으며 양이온/음이온의 당량비는 5월에 높았고 7월이 가장 낮았으며 지점에 따라서는 총당량은 정읍천, 원평천, 동진천 하류, 중류, 상류의 순위였으며 양이온/음이온 총당량 비율은 원평천이 상대적으로 작은 수치를 보였지만 지역간 큰 차이는 보이지 않았다. 수질 중 각 성분 상호간의 상관관계를 보면, 대개의 성분 상호간에 유의성이 높게 나타났으나, NO₄^--N는 대개의 성분과 유의성이 없었고, PO₄^(3-)-P도 COD, NH₄^+-N, NO₃^--N, SO₄^(2-)과는 유의성을 보이지 않았다. This study was conducted to monitor the irrigation water qualities along Dong-Jin river watershed. The water quality was surveyed at 6 sites from April to september during 1994∼1998. And the results were as follows : In July and August, water quality was better than that of any other months due to dilution with rainwater. Whereas, it became worse in April but it involved lower contents than limitted contents affected to the crop damage. Content of inorganic components was higher at Jeong-up and Won-pyeong stream. The reason for it that Jeong-up stream was deteriorated with sewage water from Jeong-up city, and Won-pyeong stream has narrow width. Water quality in upstream of Dong-Jin river, was evaluated best conditions in all sampling sites. For investigated period, water quality got worse from 1994 to 1995 but it was getting better to 1998 after 1995, especially at Jeong-up stream. The total equivalent of cation and anion was the highest at April through all months and at Jeong-up stream in sampling sites. Equivalent ratio of cation to anions(∑C/∑A) was higher at May than any other months and lower at Won-pyeong streams than any other sites. The value of most inorganic components was highly correlated with those of other components. But the value of NO₃^--N was not correlated with that of most components, and PO₄^(3-)-P was not correlated with COD, NH₄^+-N, NO₃^--N, SO₄^(2-_.
슬라이스기반 정보흐름그래프에 기반한 프로그램 복잡도 측정
최완규,정문재 광주대학교 2000 産業技術硏究 Vol.14 No.-
In this paper, we developed a SIFG(Slice-based Information Flow Graph) for modeling the information flow on a program on the basis of the information flow of data tokens on the slices. Then we defined a measure, called SCM(Slice-based Complexity measure), for measuring the program complexity by measuring the complexity of the information flow on SIFG. We showed that SCM satisfied the necessary properties for the complexity measures proposed by Briand et al.
예비수학교사의 신념에 따른 교수학적 내용지식(PCK)과의 관련성에 관한 연구
고상숙,김은호,문정윤,배지은,정대진 이화여자대학교 교과교육연구소 2011 교과교육학연구 Vol.15 No.4
This study investigated the relationship between PCK (Pedagogical Content Knowledge) and pre-service mathematics teachers' mathematical beliefs, and the effects of PCK on their teaching. The data were collected through pre & post interviews, a questionnaire, and classroom observations of six pre-service mathematics teachers who were taking their field practica in their senior year. The results indicate that the pre-service mathematics teachers' differing beliefs about the nature of mathematics affected their PCK. This study showed the relationship between their beliefs about teaching and the learning of mathematics and PCK. It is recommended that more opportunities for PCK development, as well as for modifications in of their beliefs have to be offered in education programs for pre-service mathematics teachers. 본 연구의 목적은 예비수학교사들의 수학적 신념과 수업에서 발현된 교수학적 내용지식(PCK)의 특징을 알아보고, 이를 통해 수학적 신념에 따른 PCK의 관련성에 대해 분석하는 것이다. 이 연구는 교육실습 중인 예비수학교사 6명을 대상으로 실시한 PCK 설문지, 인터뷰 자료, 수업관찰 자료를 분석하는 질적 연구 방법을 토대로 하였다. 연구결과, 예비수학교사들의 다양한 수학 본질에 대한 신념은 PCK에 서로 다른 영향을 주었으며, 수학 교수-학습에 대한 신념과 PCK사이에는 밀접한 관련성이 있음을 볼 수 있었다. 따라서 신념과 교수학적 내용지식(PCK)을 함께 발달시킬 수 있는 예비교사 연수 및 지원 프로그램의 확충이 필요하다.
최상원,정관용,오남희,김은영,방정환,김정우,여문환 한국환경과학회 2000 한국환경과학회지 Vol.9 No.5
The antibacterial effect amino acid-copper(Ⅱ) surfactant on fish pathogens was studied. Fish pathogens of Edwardsiella tarda, Vibrio anguillarum, Aeromonas hydrophila and Streptococcus sp. were selected, cultured in nutrient agar and adjusted at 2 × 10 exp (5)∼10 exp (6) CFU/㎖ in phosphate buffer saline before the addtion of amino acid-copper(Ⅱ) surfactant with different concentrations. All tested pathogens died within 1 hour with 1 ppm of amino acid-copper(Ⅱ) surfactant. In comparison with formalin and ET, amino acid-copper(Ⅱ) surfactnat was more effective in antibacterial capacity.
지방자치단체의 도시경관관리방안에 대한 고찰 : 대전시 경관형성기본계획을 중심으로
문창기,최봉문,최정우 목원대학교 건축도시연구센터 2004 建築·都市環境硏究 Vol.12 No.-
The urban landscape has an essential part in keeping the amenity of city and promoting the quality of life. Daejeon Metropolitan City has it's own urban landscape with mountains and three streams which run through the city, and makes it differentiated from other cities. This research aims to inquire into the urban landscape management and to propose the urban landscape policy for Daejeon Metropolitan City.
地域綜合開發計劃의 樹立을 爲限 住民開發需要調査 分析 : 慶尙北道 永川郡事例를 中心으로 A case study of the Youngchen Gun , Kyngsang Buk Do
최외출,박노보,김문식,정하광,이정주 영남대학교 지역발전연구소 1995 새마을지역개발연구 Vol.17 No.-
The purpose of this study is to establish the integrated rural development plan based on the consciousness and development need of inhabitants in Youngchen Gun. Youngchen Gun is located near metropolitan Taegu city. It is a satellite town of Taegu. In the future it will become an industrial, educational center in a gardenlike environment. Youngchen Gun is an area having high level of the settlement consciousness in comparison with the other counties in Kyngsang Buk Do, but it has as ever the structural problem of rural. Obtained results of this study are as follows : 1. In a section of regional settlement consciousness, it is needed to establish the well organized settlement system. 2. In a section of zone of life, it is necessary to expand a marketing route for inhabitants. 3. In a section of agricultural industry, it is needed to expand the facilities for circulation, to improve an income crops and mechanize an agriculture. 4. In a section of residence, it is needed to expand the facilities of life benefit and enlarge housing lands. 5. In a section of transportation, it is needed to extend all sort of roads and traffic facilities. 6. In a section of education, it is necessary to elevate the qualities of education and modernize the education facilities. 7. In a section of medical service, it is needed to increase the medical specialist and expand medical facilities. 8. In a section of cultural service and welfare, it is necessary to establish and increase cultural and welfare facilities.
地域綜合開發計劃의 背景과 實際 : 경산지역을 중심으로 A Case of Kyongsan Region
최외출,박노보,김문식,정하광,이정주 영남대학교 지역발전연구소 1995 새마을지역개발연구 Vol.17 No.-
The purpose of this study is to examine background and characteristics of integrated rural development policy facing localization ages and to find out the effective ways for integrated rural development planning responding local settlement development and local autonomy. For this study, the case of Kyongsan region development planning was adopted. Policy issues were summarized as follows : 1. Endeavours for self-reliant regional development should be region-wide. Especially, residents, local government, local council, and local group concerned should be integrated through mutual cooperation. 2. Policy processes, including policy agend setting, policy making, policy implementation, policy evalution, should be opened to the public and should be institutionalized with the arrangement of participation of residents and experts. 3. Institutional arrangement should be made to compensate for scarce resources for regional development.