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      • 일반인의 환경문제 의식과 사회환경교육의 필요성에 관한 연구

        허명,최돈형,박소현,성효현,박석순,남상준,이숙임 이화여자대학교 환경문제연구소 1998 이화환경연구 Vol.2 No.-

        Today, the gobal community is confront serious environmental crisis derived from related problems energy and resources. To deal this crisis, people must take action in order to preserve current environment with ecological understanding of the relationship between human and environment. The principle of this thesis is to observe public endeavor toward environmental education program, environmental perception and environmental preservation behavior, and the influential factors to those conducts. First of all, we will look into the perception toward environmental deterioration, environmental perception, environmental preservation behavior which thought to be a ground solution to lesson the problems, and then the environmental education program. In accordance with those research, it will be presented the feasible directions of environmental education program for general public. This research consists of 10 topics. The topics are the interests of public about environmental problem, perceived pollution level, general knowledge about environment, perception related to environmental problem, opinions about the environmental education program, attitude towards environmental organization, suggestions for future environmental education program, and campaign for environmental preservation. Through the research, we have reached some analytical conclusions are followed: First, the level of public concerns about environmental problems is high regardless its age and sex, and the level has been growing compared to the past one. The result also shows that people in urban and industrial areas feel much more seriously pollution problems than those in rural and coastal areas. In addition, according to the survey result, household and industrial sewage are regarded as the primary causes for water pollution. Secondly, the results show general public's understanding on environment have been universalized and thus the level of common knowledge on global environment has been increased, as environmental problems have been raised by newspapers and mass medias and various movements have been accomplished by environmental protection organizations. Thirdly, although the necessity of environmental education was emphasized the purpose of environmental education was unclearly appeared. Furthermore, actual participation to the environmental education program and taking courses by joining environmental organizations were rarely shown. Although some cases have the experience of taking education courses, the negative reactions came out in the opinion of education content and methodologies. Fourthly, the analysis on curriculum of future environmental education show various opinions. The attentions have drawn on the dealings of waste industrial and chemical waste which will cause environmental problem artificially, as well as on global environment, or natural environment such as resources, land, water, atmosphere. The results show many people recognized administration extent such as environmental policy, law and ethics as environmental categories. This implies the curriculum of those areas have not been properly founded and further researches should be followed. From above results, environmental problems should not be regarded as simple problems and it should bring out new recognition for general public in everyday life. In addition, environmental education courses, with practical environmental preservation should be developed and programs and organization which will utilize those educational materials should be more activated.

      • 제2기 중등학교 환경 부전공 자격연수 참여 교사들의 환경연수 및 환경교육에 대한 인식 조사

        박종윤,최경희 이화여자대학교 환경문제연구소 1997 이화환경연구 Vol.1 No.-

        The purpose of this study is to investigate the perceptions of those teachers who attended the second annual environmental education program for certification of a second -major regarding environmental education, and to provide reference materials for development of the nest phase in environmental education programs and enviromental textbooks. A survey methodology was used in the study. A survey, consisting of 16 questions, was developed by the researchers. The subjects consisted of 97 teachers. The teachers revealed their opinions in five categories of survey, including environmental subjects, increased education and knowledges on environmental issues, a middle school environmental textbook, teaching methods on environment, and the structure of the program. Results from this study suggest a few directions for improvement of the next annual environmental certification program and the secondary school environmental textbooks.

      • 한국 고등학교 학생들의 환경문제 및 환경교육에 대한 인식 연구

        홍수미,성효현 이화여자대학교 환경문제연구소 1998 이화환경연구 Vol.2 No.-

        The purpose of this study is to develop guiding priciples of the environment education in high school geography courses through the search for the consciousness of the matter of environment and environment education on the part of high school students. The method of questionaire is taken up for the inquiry. The subjects of this inquiry include 260 students in Seoul,the metropolice, 150 students in an industrial city, Incheon, 60 in a small and medium sized city, Choon-chun, and 60 in a farming community. The investigation into the consciousness of environment iclude the degree of environmental interest, the degree of virtual contamination in the inhabited regions, general knowledge of environment, and the policy of environment. The investigation into the environment education comprises general environment education, environment education in geography class, teaching methods in environment education, and thepractice of environment education and the preservation of environment. The guides at which should be aimed in environment education in every situations and geography class are as follows. At first, the environment education should be done, with the awarness of respective regional aspects; the awarness of virtual degree of contamination and the cause of environmental pollution vary in every situation. Secondly, despite of high awarness of the degree of interest in the matter of environment and environment education, the degree of awarness of term, representing the amount of environmental pollution, and of the government's policy toward environment is somewhat low. The majority become aware of the necessity of environment preservation and the environment-related information chiefly by mean of mass media, so the reinforcement of environment education toward these area is required through formal environmental education. Thirdly, the students emphasize on active participation in theactivities, in which are at the formation of the pleasant environment. In view of their inactive participation in environment preservation at home and in and out their campuses after school, the greatest emphasis should be put on the practical aspects of life with ecological understanidng of relationship between human and environment for the purpose of practice of environment education in every day life. Fourth, the current curriculum should be shifted from the emphasis on individual phenomenon and individual cases to those of multiple phenomena and materials dealing with common environmental issues. The field of study in class should be emphasized not only their own inhabitation areas but also other areas, which will help enhance the abilites to think in a comprehensive way and to make their decisions in a reasonable way. Finally, the use of multimedia including photographs, maps, tables, and statistic data, is required in environment education in geographic class, in addition to these, the use of a variety of audio-visual aids and a variety of new teaching method are recommended.

      • Alcaligenes eutrophus의 배양액으로부터 균체 분리 효율에 미치는 철(Fe)계 응집제의 효과

        장용근,조경숙,곽종운,류희욱 이화여자대학교 환경문제연구소 1998 이화환경연구 Vol.2 No.-

        Alcaligense eutrophus의 세포배양액(23-210g dry weight/L)으로부터 균체 회수 효율에 미치는 철계 응집제 첨가 효과에 대해 연구하였다. 응집제로는 무기 응집제인 Fe₂(SO₄)₃과 무기 고분자 응집제인Ferix-3를 사용하였다. 철계 응집제는 3-13의 넓은 pH범위에서 응집효과를 나타내었으며, 배양액의 pH가 증가할수록 floc의 크기는 증가하였다. 균체회수를 위한 배양액의 최적 pH는 10-13이었다. 최적 응집제의 첨가량은 세포농도가 증가함에 따라 증가하였는데, 무기응집제인 Fe₂(SO₄)₃보다는 무기고분자 응집제인Ferix-3이 적은 농도에서 응집효율이 우수함을 알수 있었다. 210g/L의 세포농도 배양액에 Ferix-3을 1300mg Fe/L를 첨가하면45×g의 낮은 원심력에 의해 95%이상의 균체를 회수 가능하였다. 응집제의 요구량은 배양액 중의 NH₄()농도에 비례하여 증가하였고, 배양액중의 NH₄()농도가 1g 증가하면 응집제가 0.066g Fe()정도 더 요구되었다. Alcaligense eutrophus was successfully recovered from high cell density broth by pre-treatment with Fe-based coagulants. An inorganic coagulant, Fe₂(SO₄)₃, and a polymerized coagulant, Ferix-3, were used. Good cogaulation was observed in broad pH range of 3 to 13, the floc size was increased with increasing pH of culture broth. The optimum pH of fermentation broth for cell recovery was 10 to 13. The optimum coagulant dosages to recover cells with 95% cell recovery were increased with increasing cell concentration. Optimal coagulant dosage was lower when the polymerized coagulant was used rather than the inorganic coagulant. The coexistence of NH₄() was increased coagulant requirement, and the coagulant requirement was 0.066g Fe()/g NH₄().

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