양자 키 분배 프로토콜 BB84 와 B92 에서 도청률과 기저의 수에 따른 error rate 비교

이선아 ( Sun-ah Lee ),문봉교 ( Bong-kyo Moon ) 한국정보처리학회 2020 한국정보처리학회 학술대회논문집 Vol.27 No.2

양자 암호통신에서는 키를 실시간으로 안전하게 분배하는 양자 키 분배방식이 핵심이다. 본 논문에서는 양자 키 분배 방식인 BB84 protocol 과 B92 protocol 을 python 으로 구현(이를 Lee’s code 라 명명)한다. 기존에 존재하는 양자 simulator 와 LEE’s code 를 이용해 error rate 의 차이를 두 가지 관점(기저에 따른 차이, 도청률에 따른 차이)에서 비교한다. 이를 바탕으로 어떤 protocol 이 도청자로부터 더 취약한지 알아본 결과, B92 protocol 의 QBER 이 항상 높으므로 도청자를 잡아내기는 쉽지만, 기저가 두 가지 밖에 없으므로 도청자의 공격에는 취약함을 알 수 있다.

경기관지폐생검의 진단적 가치

이원식,정태훈,김교선,이국희,유덕종,손명원 대한내과학회 1986 대한내과학회지 Vol.30 No.2

The diagnostic value of transbronchial lung biopsy(TBLB) through fiberoptic bronchoscope was studied in 61 patients with diffuse or localized lung disease in which routine clinical and laboratory examinations revealed no diagnostic clue. By the technique adequate tissue specimen for diagnosis was obtainable in 28 of 33 patients (78.8 percent) and 25 of 28(89.3 percent) with localized and diffuse lung diseases, respectively. A histological diagnosis was possible in more than 75 percent of the patients with lung cancer proved by various means. On the other hand, in patients with tuberculous lesions, diffuse or localized, the incidence of positive diagnosis was less than a half. The complications among 61 patients underwent the TBLB were pneumothorax in one and hemoptysis in three, which subsided spontaneously. These facts suggest that the TRLB is a relatively safe, and more useful in the diagnosis of cancer of the lung than in inflammatory disease.

중랑천에서 분리된 중금속 내성 미생물에 관한 연구

李浩子,이선교 慶熙大學校 1987 論文集 Vol.16 No.-

In the present research cadmium resistance bactaria were isolated from Jung-Rang Stream in Seoul. Three of them were observed to have higher cadmium resistance than others. It was remarkable that isolates JS-3, JS-6, S-6 showed the higher cadmium resistance of 3000 ppm. As a results of the classification experiment, the isolate JS-3 was ldentified as Protcus vvugaris while the isolates JS-6 and S-6 were as Escherichia coli and Klebsiella oxytoca. All of the above three strains had the multiple drug resistance against antibiotics. All of the isolates harbored plasmids. The molecular weights of these Plasmids ranged 2.8-44.5 Mdal.

스포츠센터 경영자의 리더 유형에 따른 직원의 직무만족 차이

이보선, 김교준, 오준석 용인대학교 체육과학연구소 2000 體育科學硏究論叢 Vol.10 No.1

The Purpose of this study were to examine the difference related with the job satisfaction about Spouts Center Workers according to the sports Center Manager leader's type. The Subjects in this study were 293 Sport Center Works who were selected by random sampling form 10 sports center, among 23 in Kyonggi province. The content of the questionnaire used for this research was made up, the reliability and appropriateness of the questionnaire was confirmed based on pilot study, a meeting of specialists, a calculation of Cronbach's α value used analytic technique. In order to analyze the data, this study used a SPSS/WIN Version 9.0 program for statistical analysis, and was completed using frequencies, t - test, oneway ANOVA, correlation analysis and multiple regression analysis, etc. The follows are the conclusion of this study based on the above studying method, process, and data analyzing. First, as for the difference of job satisfaction according to sports center worker's social background, showed the difference in terms of sex, education and career. Second, as for the difference of job satisfaction according to the leader type in sports center manager, showed the difference task directivity and harmony directivity, but no remarkable difference in the aspect of bureaucratic directivity.

중학교 가정 교과 수행평가 방법 및 도구 개발

박선영,조필교,이양심,윤인경,임양순,최창숙,장명희 한국 가정과 교육 학회 1998 한국가정과교육학회지 Vol.10 No.2

The purpose of the study is to develop a Performance Assessment Method & Tools for Home Economics at middle school. Through the content analyses of middle school Home Economics curriculum and 8 textbooks of lst, 2nd, and 3rd grade respectively, teching elements for each content area were drawn and each specific learning objectives were idntified accordingly. In addition, assessment element for student's performance in each teaching element were specified for analysis. Analytic framework for the development of Performance Assessment Method and Tools were proposed by each teaching element. Beased on the analytic framework proposed, a model method and tools were developed by 10 different test measures of description written test, statement written test, oral test, pro and con discussion, performance test, experiment, interview, observation, self-test report, and portfolio. The model proposed in the study has been modified and improved through the feasibility studies of experts' examination and field research application. The model assessment method and tools for the study has been compleeted finally by proposing 45 performance assessment tools for the content areas of food, clothing, housing, resource management and consumerism, human development and family relationship.

새로운 LacZ Gene Fusion 및 Gene Cartridge Vector의 개발에 관한 연구

박교선,이영훈,박충웅,최창진 圓光大學校 基礎自然科學硏究所 1987 基礎科學硏究誌 Vol.6 No.2

In this study, a new lacZ gene vector, plasmid PGEM3-lacZ was constucted, which could be used for the study of the gene regulation and the function of proteins. Plasmid pMC1871 was digested with restriction endonuclease Pst I and Sma I to obtain a DNA fragment with the lacZ-gene(3091 bp). Recombinant plasmid pGEM3-lacZ was constructed by inserting the lacZ gene DNA(Pst I-Sma I cut DNA; 3091 bp) of pMC1871 into the Pst I and Hinc Ⅱ sites of plasmid pGEM3. After then, Recombinant plasmid pGEM3-lacZ DNA was transformated into E. coli HB 101. pGEM3-lacZ DNA/HB 101 was screened on the NZY plate with ampicillin and X-gal(5-Bromo-4-Chloro-3-Indolyl-β-D-Galactoside) by selecting blue colonies. The restriction map of pGEM.3-1acZ DNA was constructed by the following restriction enzymes :Bgl I, Xbal I, Bam HI, EcoR I, Hind Ⅲ, Kpn I, Pst I, Sma Ⅰ, Sal Ⅰ. From the restriction map, the lacZ DNA was confirmed to be present at the expected position in the plasmid pGEM3-lacZ. pGEM3-lacZ/HB101 gives about 10 times more lacZ DNA than pMC 1871/HB101.

下水處理場의 效率的인 管理를 위한 基礎的 硏究

姜善泰,徐承敎,李南勳 대구산업정보대학 1989 논문집 Vol.3 No.-

The main purposes of this study are to analyse the characteristics of effluent water qualities BOD, COD, SS and ES-by types of sewer system and season for treatment plants in separate sewer system and combined sewer system, and to identify the variables which exert great influences on them run in a standard activated sludge process. The characteristice of effluent water qualities by types of sewer system ad season were analysed by t-test which tests the difference in subpopulation means of 2groups, and by correlation analysis. The results thereof could be obtained as follows; (1) While there was no difference by types of sewer system in COD, there were much differences in BOD, SS, ES. (2) While BOD, SS, and ES were influenced by season in separate sewer system, in combined sewer system, BOD presented difference just between autumn and winter SS between spring and summer, spring and autumn, summer and winter, autumn and winter, and ES did not show any difference save spring.

Benign Partial Epilepsy with Occipital Paroxysm 1례

윤석중,이영혁,김교순 건국대학교 의과학연구소 1994 건국의과학학술지 Vol.4 No.-

Benign epilepsy of childhood with occipital paroxysm is characterized by seizures which include visual symptoms followed by motor manifestations. The EEG is also characterized by repetitive occipital discharges of spikes, sharp waves or spike-wave complexes appearing only after eye closure. No occipital lesions have been found, the children are neurologically normal. Recently we experienced a case of benign epilepsy of childhood with occipital paroxysm which showed favorable response to anticonvulsant treatment. A brief review of related literatures is included in this report

건축정보 분류체계 구축을 위한 정보 분류체계 비교 연구

전영일,이교선 동국대학교 산업기술대학원 1993 산업기술논문집 Vol.1 No.-

As far as the Korean building industry is concerned, information classification systems have been rather recently introduced, but sadly enough, with insufficient knowledge of theoretical and scientific background. In this context, there is a need for more sophisticated tools for formulating information requirements, an investigation into existing international systems in wide use and an establishment of a proper information classification system. The aims of the study is to establish the theoretical basis of information classification systems needed in the total building context, to investigate into related existing systems and to propose an information classification system suitable with the domestic building industry.

中學 科學敎育의 探究學習에 대한 評價問項 開發 (Ⅱ)

閔庚德,楊洪準,李善行,鄭遠佑,이병교,金裕漢,羅長薰 경북대학교 과학교육연구소 1985 科學敎育硏究誌 Vol.9 No.-

This study was accomplished to develope the evaluation items for inquiry learning in the 2nd grade Middle School Science for the consecutive study of the evaluation items for inquiry learning in the 1st grade Middle School Science(U-Hang Ki et al, 1984). In this study, paper and pencil test items and performance test items are made by analyzing the abilities of inquiry according to the contents and four basic experiments from each unit in the 2nd grade Middle school science. These evaluation items were applied to tke five classes of the 2nd grade of middle school to test their validity. It is desirable that performance test schuld be used for the evaluation for the abilities of inquiry which can not be evaluated by paper and pencil test. In the evaluation methods of performance test, tester evaluation, peer evaluation and self-evaluation can be applied to the science class in a multi-student class. In higher grade, however tester evaluation is more desirable than peer and self evaluation. It is found that peer evaluation and self-evaluation make possible the perfect study by feedback.