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성국경,이봉근,윤성일 공주영상정보대학 2001 논문집 Vol.8 No.-
본 논문에서는 전자 상거래를 위해 암호 기술의 확장성 측면에서 우수한 공개키 기반 하부 구조에서의 공개키 인증 기술을 중심으로 분석하였고, 인증기관에서 발급하고 있는 인증서의 기능을 보강함으로써 인증기관의 신뢰도를 높일 수 있는 신뢰성을 강화한 인증 시스템을 설계하였다. 공개키 기반 인증 기술은 전자 상거래 서비스에서 필요한 신분 인증, 거래 내역 인증 및 지불 처리 인증에 사용하는 기반 기술이다. 이는 공개키를 보증하는 기반 기술과 인증서의 안전한 사용 기술 등이 필요하며 전자 상거래를 실현하기 위한 필수적인 선결 사항이다. 인터넷이라는 불안전한 개발형 전산망 구조에서 안전한 전자 상거래를 제공하려면 향후 국제적인 인증 서비스와의 연동을 위한 표준화된 인증 기술의 적용이 중요하다. 현재까지 정보의 공유라는 원칙에서 발전해 온 인터넷은 앞으로 전자상거래나 전자화폐 등이 인터넷상에 등장함으로 인해 정보의 보호라는 새로운 원칙을 바탕으로 발전해 나아갈 것이다. 이러한 정보보호시대에 살아 남기 위해서는 종속적이 아닌 독자적인 암호화 기술과 데이터 인증기술의 개발이 절실하게 필요한데, 여기에 인증국의 중요성이 부각된다. 현재 암호화 기술은 어느 정도 신뢰를 줄 만큼 발전해 있지만 아직까지 데이터 인증을 위한 기반구조가 명확히 성립되어 있지 않은 상태이다. 앞으로 인증국을 기반으로 한 공개키 기반구조 확립이 빠른 시일 안에 이루어 져야 할 것이다.
강성진,김광수,이지현,김종국,김민정 고신대학교 의과대학 2009 고신대학교 의과대학 학술지 Vol.24 No.1
A 21-year-old woman developed painful left third, fourth and sixth nerve palsy. The retro-orbital pain and ophthalmoplegia were improved after steroid pulse therapy. After six weeks, during took steroid by orally left facial weakness developed. Neurologic examination showed left peripheral seventh cranial nerve palsy. The Tolosa-Hunt syndrome associated with facial palsy is rare condition. So we report a case of Tolosa-Hunt syndrome preceded by ipsilateral facial palsy
α-ZnAl₂S₄단결정의 Energy Gap의 온도 의존성에 대한 열역학적 함수 추정
심상흥,심낙순,박종국,오재한,박광호 三陟大學校 1999 論文集 Vol.32 No.1
In this work ? single crystals were grown by the chemical transporting reaction(CTR) method using high purity(6N) elements. The structure of grown ZnAl2S4 single crystals were cubic structure. The optical energy band gap was indirect band gap and the temperature dependence of optical energy gap was fitted well to Varshni equation. Also, the entropy, enthalpy and heat capacity were deduced from the temperature dependence of optical energy gap.
유산소 운동이 비만 여중생의 신체조성·혈중지질 및 심폐기능에 미치는 영향
이성국,오수일 江原大學校 附設 體育科學硏究所 1998 江原大學校附設體育科學硏究所論文集 Vol.- No.22
The purpose of this is to find out how aerobic exercise affects the body composition. blood lipid and cardiorespiratory function of obese female in a middle school. The subjects were 20 obese girls who were selected from Bgirls middle school in Chun Chon city. There were 10 girls in each control group and experimental group three times a week for ten weeks. During the experiment the subjects did aerobic exercise. such as 12min running for 50min a day. The intensity of the exercise is 60-70% HRmax 1.In the body composition variables the experimental group showed significant decrease only in %fat(p<.05). But there were nonsignificant differences between the control group and the experimental group. 2.Among the blood lipid variable experimental group showed significant decrease in TC(p<.01) and LDL-C(p<.01). There were also significant differences between two groups. In the experimental group. TC/HDL-C(p<.01) and LDL-C/HDL-C(p<.05) had been decreased significantly. There were showed differences between two groups in these two factors. 3.In the cardiorespiratory functions VO2max(ml/kg/min) increased significantly(p<.05) in the experimental group. And there was a significant differences between two group(p<0.1) We could show the significant differences in VO2max/LBM(ml/kg/min) only between two group(p<.05) To summarize. I can this: aerobic exercise is very effective program for the obese female students. Because it can affact the body composition. blood lipid cardiorespiratory function.
김성국 江原大學校 附設 體育科學硏究所 1998 江原大學校附設體育科學硏究所論文集 Vol.- No.22
The purpose of the study was to investigate whether historical exploitation of physical education can identify facts from historical perspectives: and to present methodological alternatives so that historical facts and interpretation can reasonably be drawn on the basis of methodological conclusions. History is a recognition of the past. The past events cannot be examined by themselves. They only can be examined by the evidence of the past events and the historical materials. Also. these historical materials and the past events cannot exist themselve. They are revealed by historians interpretation. After this process the past events and the hypothes is become a valuable meaning by historians interpretation Then, they reaches a conclusion. In order to understand these process. historians must understand historical recognition and methods. When they recognize whole context of historical events. they will be able to free from the methodological fallacy They history of physical education. by taking a normal historical method at current physical education's historical point of view. is the field of exposing and explaning the sound facts toward past physical activities or their subject field. However. it has been indicated that in the event of examining the physical education's historical facts and analysis. they can have many problems. The purpose of this study. in boundary of dogmatism and skepticism those have revealed of can be revealed in respect to historical fact and analysis. is to discover the possible horizontal relationship of the historical recognition and method. Historians of physical education understood the past physical activities and related easy situations in circumstance of their current era. Although their behavior may not be to escape form relativity and subjectivity. becoming conscious of subjectivity can be an opportunity to obtain the objectivity. In conclusion. Reasonable alternatives for the history of physical education can be found through researcher's attitude humbly acception and simultaneously making an approach to subjective interpretation. not just absolute principles of ultra-historic research methodology.