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      • SCOPUSKCI등재

        Photocatal~ic Hydrogen Evolution with Platinum Loaded Cadmium-Iron-Sulfide Mixed Crystal Powders in Aque-ous Media

        조철래,박세진,김하석,Jo, Cheol Rae,Park, Se Jin,Kim, Ha Seok Korean Chemical Society 2000 Bulletin of the Korean Chemical Society Vol.21 No.8

        Mixed crystal powders based on Cd,Fe, and S have been synthesized by varying the ratio of CdS and $FeS_2in$ order to find a suitable material usefuI for the effectivc conversion of solar energy. Hydrogen gas was evolved only with CdS/Ptby photocatal ytic reaction under white light in an aqueous 1 M sodiumsulfite solution. From electrochemical studies of semiconductor electrodes. itwas shown that the onset potential shifted to the positive direction and that the bandgap energy also decreased as the molar ratio of Fe increased. A hydrogen evolution mechanism in terms of the conduction band potential and hydrogen evolution potential is proposed.

      • KCI등재

        영호남 지역신문의 지역주의 보도 연구: 2004년 국회의원 선거를 중심으로

        조철래 ( Cheol Rae Cho ) 한국지역언론학연합회 2009 언론과학연구 Vol.9 No.3

        본 연구는 2004년 국회의원선거에서 발행부수와 영향력 측면에서 여론을 주도하고 지역주의보도와 깊은 관련이 있는 대구경북, 부산경남, 광주, 전북지역의 대표적 일간지 각 1개씩 4개를 선정하여 기사를 분석하였다. 연구문제와 관련하여, 지역신문의 지역주의 보도방식의 특성과 지역일간지에 보도된 지역주의의 행태를 살펴보았다. 분석결과, 지역주의와 관련된 보도에서 네 신문 모두 기사의 주관적 묘사 비율이 높게 나타났으며, 야당정치인이 중심행위자로 등장하고, 지역주의의 원인제공자 역할을 하는 것을 분석결과를 통해서 알 수 있다. 그리고 지역간의 대립에서는 전북일보가 다양한 지역과 대립관계를 유지하고 부산일보는 대립관계가 지면에 나타나지 않았다. 또한 지역주의와 관련이 많은 지역연고정당에 대한 선호도는 해당지역을 근거지로 하는 정당이나 당대표에 대해서 호의적으로 보도하는 등 편파적 지역주의 보도가 여전함을 알 수 있다. 또한 지역신문의 경제문제등과 관련하여 지역발전이라는 역할을 수행하는 것은 바람직하나 지역이기주의에 함몰되는 것은 또 다른 문제점으로 지적하지 않을 수 없다. 결과적으로 17대 총선에서 지역신문은 해당지역을 근거지로 하는 정당에 대해서 지역주의를 조장할 수 있는 편향된 기사를 다양한 측면에서 보도되고 있으며, 지역낙후 등 경제문제를 선거에 결부하여 보도하고 있음을 알 수 있다. 특히 2004년 총선에 많은 영향을 미친 노대통령 탄핵사건에 대해서 영남권의 매일신문은 `대통령이 자초한 일`로 여론을 유도하고, 이에 반해 호남권의 전북일보는 `야당의 신종쿠데타` 로 규정해 뚜렷한 시각차를 보였다. 이것은 해당지역의 중심의제이자 여론으로 작동하여 수용자인 지역독자에 커다란 영향을 미쳤으며, 총선결과와도 상관관계가 아주 높은 것을 알 수 있다. The purpose of this study is to look over concerning the causing of regionalism in the election-related reports of the Korean press. How is a regionalism appearing in the election reports of Korea newspapers? What is the character of the form of regionalism property reports by the regional newspapers and the regionalism aspect from a viewpoint of quantitative analysis? The findings of this study can be summarized as follows: It`s found that all the 4 newspapers surveyed were high in a subjective description rate in the newspapers` reports related with regionalism, the opposition party politicians appeared as a central performer of a deed and played a role as a cause-offer of regionalism. And from a viewpoint of a confrontation between the regions, Cheonbuk Ilbo kept antagonistic relationships with various regions, but Busan Ilbo did not devote antagonistic relationships articles to its paper. In addition, they showed a friendly feeling for the region-based party and the representative of the party while appearing the party-related images having a close relation to regionalism, which shows that one-sided, toward regionalism, report is as it used be. The regional newspapers have carried biased, toward the region-based party, articles from various angles(aspects) which could cause regionalism. Especially, concerning the president Rho impeachment case which had much influence on the general election 2004, the Maeil newspaper in the Yeungnam region circle induced the public opinion as `a matter brought on himself`, while Cheonbuk Ilbo in the Honam region circle defined as `a new type of coup detat by the opposition political party`, showing a clear difference from a viewpoint. It had a great influence on the regional subscribers of the consumers by playing a role as a central topic and public opinion in the region, having a close interrelation with the result of the general election.

      • KCI등재

        한국판 공동의존 자가점검표의 신뢰도 및 타당도 연구

        조철래(Cheor-Rae Jo),김경빈(Kyung-Bin Kim) 한국중독정신의학회 2001 중독정신의학 Vol.5 No.1

        Objectives:The aim of this study was to develop the Korean Version of the Checklist from Co-Dependents anonymous. Methods:The Korean version of the Checklist from CoDependents anonymous was administered to 211 non-alcoholic families and 41 alcoholic families. The authors tested the reliability of this scale with Cronbach’s alpha and construct validity with factor analysis. Results:In the reliability test, Cronbach’s α coefficient was 0.92 and factor analysis provided evidence for the construct validity. The mean values of co-dependence scores were significantly high in alcoholic family group than those in non-alcoholic family group. We provided T score norms and the sensitivity, specificity, and efficiency table according to various cutting scores, which may be useful to determine the optimal cutting point on various purposes. Conclusion:The authors found Checklist from Co-Dependents anonymous-Korean version retained available psychometric properties. For the purpose of screening codependents in alcoholic family, we determined optimal cutting point as 64.

      • KCI등재
      • KCI우수등재
      • 저작도구를 이용한 부기회계 CAI의 학습효과

        손성호,조철래 동아대학교 교육대학원 1998 동아교육논총 Vol.24 No.-

        The most important thing in the bookkeeping is the exact analysis and input of data, and this can create the valuable bookkeeping information. This depends upon understanding exactly all kinds of books and financial statements based upon the standard of business bookkeeping, account and account treatment. In this respect, it is very important and urgent that the subsidiary studying materials for self-study by level of the student according to the degree of his recognition must be developed and used. That's why CAI(Computer Assisted Instructions) was developed. However, the existing CAI program makes the title by using the programming language such as BASIC, COBOL, C-language, Visual Basic, and Visual C++language. In case of the programming language, it takes much time and efforts for the student to learn the technical details, and in addition, an ordinary teacher, not a professional programmer, has a difficulty and a limit of producing CAI program. On the other hand, developing CAI with using authoring system is the program which can produce the applied program to Windows 95, and the tool which can be used most efficietly be those who engage in the actual education. The researchers developed the CAI program for teaching and learning bookkeeping which presents the detailed interpretation which has a function of interaction between computer and the learner, because the learner can find out the materials for study suitable for his or her knowledge and study alone by using the program. After classifying the student into two groups, the control group and the experimental group, who are the girls in commerce high school. After treatement, the reseach result presents the sigificant difference between the groups. It is shown that the CAI program for bookkeeping with authoring wywtem makes an effect on the learning performance in the school. In conclusion, this program raise adaptability and efficiency of handing bookkeeping and its computerization by developing the learning materials and using them with authoring system and furthermore, the program helps the efficient management and access of bookkeepting program.

      • KCI등재

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