M-Commerce에서 Secure Card 기반의 결제 프로토콜 설계

김성열,조성지,유성진,배용근 조선대학교 전자정보통신연구소 2002 電子情報通信硏究所論文誌 Vol.5 No.2

In order to provide a reliable M-Commerce, a payment solution with security functions should be required. User's mobile terminals used in M-Commerce services are diversifying to cellular phone, PDA, Smart phone etc. Among them, integration of PDA's interface and mobile connection overcomes the weak point of existing cellular phone depending on information via the internet. In this paper, the Secure Card based protocol for a credit card transaction on PDA using ECC is presented. Secure Card module on this protocol encrypts user's information such as private information, delivery information and credit card information and stores it on PDA in order to free from inputting information whenever it is used. This scheme also offers security services on M-Commerce including authentication, confidentiality, integration, non-repudiation and so on.

일가족에 발생한 Microsporum canis 감염증

서무규,성열오,윤기상,하경임 동국대학교 경주대학 1996 東國論集 Vol.15 No.-

Microsporum (M.)canis 감염은 애완용으로 기르는 고양이나 개가 주된 감염원이며 두부 백선, 안면백선 및 체부 백선 등의 피부질환을 일으킨다. 특히 M. canis 가족감염예는 M. canis 감염증중 비교적 드물다. 저자들은 전형적인 임상 및 균학적 양상을 보인 고양이로부터 감염된 M. canis 가족예를 경험하고 문헌고찰과 함께 보고한다. Microsporum canis Infections Occurring in a Family Departments of Dermatology & Clinical Pathology, College of Medicine, Dongguk University Moo Kyu Suh M.D., Yeol Oh Sung M.D., Ki Seong Yoon M.D., Gyoung Yim Ha M.D." We report a case of Microsporum (M.) canis infections occurring in a family. The mother, a son and a daughter had multiple, wen defined, round, scaly erythematous patches on the scalp & face, face & trunk, and face & chest respectively. Culture from skin lesion of patients and an infected kitten on Sabouraud dextrose agar showed M. canis. After 15 days to one month administration of itraconazole, the lesins healed leaving a slight hypopigmentation.

경남지역 벼 친환경재배시 고품질 유색미 생산을 위한 적정 품종

김상열,한상익,오성환,이종희,권영업 忠北大學校 農業科學硏究所 2015 農業科學硏究 Vol.31 No.2

유기농 및 관행 재배 벼 미강의 항산화 활성 분석

최장열,이성진 全南大學校 農業科學技術硏究所 2011 農業科學技術硏究 Vol.46 No.-

To compare antioxidant activities between organic and conventional cultivation of rice bran, three kinds of rice species-Hopum, Hopyeong, and Yungwang-were selected and cultivated in Chonnam province. After cultivation, rice bran was extracted with 70% methanol and analyzed protective activity against oxidative stress induced-cell death and antioxidant activities such as inhibition of intracellular reactive oxygen species (ROS) generation and lipid peroxidation in hepatocellular carcinoma HepG2 cells. When HepG2 cells were treated with three kinds of rice bran extracts for 24 h and followed by the treatment of 1 mM H2O2, organic Hopum and Hopyeong rice bran showed the higher protective activities against oxidative stress induced-cell death than their conventional cultivated rice brans. Yungkwang rice bran did not showed the difference between organic cultivation and conventional cultivation. Organic Hopum, Hopyeong, and Yungkwang rice bran extracts reduced the intracellular ROS generation induced by 1 mM H2O2 more efficiently than their conventional-cultivated rice bran extracts. However, tested rice bran extracts did not show the strong protective effects on lipid peroxidation. From the study, organic Hopum and Hopyeong rice bran extracts showed the higher antioxidant activities than their conventional cultivations and these results indicate that even though phytonutrient contents of rice bran were not measured, significant difference between two cultivation practices were evident.

오대산 월정사지역 전나무림의 생태학적 연구

남성열,유석인,박완근,한상섭 강원대학교 삼림과학연구소 2000 Journal of Forest Science Vol.16 No.-

본 연구는 오대산 국립공원내 월정사지역에 분포하고 있는 전나무림의 식생구조를 분석하여 이 지역 전나무림의 관리에 대한 기초자료를 제공하기 위하여 수행되었다. 그 결과 전나무림의 층위구조는 교목층(2종류), 아교목층(20종류), 관목층(46종류) 그리고 초본층(87종류)으로 구성되어 있었다. 조사지역에 출현한 전체식물의 중요치는 전나무가 34.09%로 가장 높게 나타났고, 당단풍(23.07%), 청시닥나무(14.44%), 고광나무(10.72%), 오리방풀(8.49%), 복자기(7.80%), 고추나무(7.65%), 산거울(6.79%), 방아풀(5.76%), 고로쇠나무(5.47%), 개다래(5.41%)의 순으로 나타났다. 특히, 전나무의 치수가 전혀 없어 앞으로 아교목층과 관목층을 형성하고 있는 단풍나무류, 참나무류, 피나무류 등의 경쟁에 의하여 천이가 있을 것으로 사료된다. The vegetation structure of Abies holophylla forest was analyzed to provide the information for conservation of Abies holophylla at Wol-jong Temple in Mt. Odae national park, southern Korea. The layer structure of Abiesholophylla forest was consists of tree layer(2 species), subtree layer(20 species), shrub layer(46 species) and herb layer(87 species). The importance value of Abies holophylla was the highest one 34.09% , and those of Acer pseudo-siebodianum, Acer barbinerve, Philadelphus schrenckii, Isodon excisus, Acer triflorum, Staphylea bumalda, Carex humilis, Isodon japonicus, Acer monp and Actinidia polygama were 23.07%, 14.44%, 10.72%, 8.49%, 7.80%, 7.65%, 6.79%, 5.76%, 5.47% and 5.41%, respectivery. Especially, when predicting succession in Abies holophylla forest, such seedlings were not formed and succession was governed by competition of Acer species, Quercus species and Tilia species of subtree and shrub layer. Key words : Abies holophylla forest, importance value, Wol-jong Temple

E-business 발전단계와 전략

김성호,방호열 국제무역학회 2003 국제무역연구 Vol.9 No.1

최근에 인터넷은 상업적인 수단으로써 그 중요성이 증가함으로써 기업들은 E-business를 빠르게 채택하게 되었다. 본 연구는 E-business를 채택하고 있는 기업이 그 발전단계가 상이하다고 보고 이를 탐색적인 차원에서 분석하고 한다. 이를 위해서 E-business의 발전단계와 E-business의 전략을 제시하였다. 이와 동시에 E-business의 발전단계와 전략과의 관계를 분석함으로써 현재 기업들이 채택하고 있는 E-business가 전략과는 어떠한 관계를 가지고 있는지를 파악하고자 한다. 이상의 목적을 달성하기 위하여 본 연구는 E-business를 채택하고 있는 기업들을 대상으로 설문조사를 실시하였고 수집된 자료를 군집분석과 ANOVA를 이용하여 분석을 실시하였다. 실증분석결과는 본 연구에서 제시하고 있는 E-business의 발전단계에 따라서 조사된 기업들 분류할 수가 있었다. 이렇게 분류된 기업들을 이용하여 E-business 전략과의 관계를 파악한 결과는 E-business 의 발전단계가 높은 기법일수록 더 높은 수준의 전략을 동시에 추구하고 있는 것으로 나타났다. In the last few years, the Internet has emerged as an important medium of commerce. Firms rapidly adopt E-business. As finns evolve, they pass through stage of E-business development. In this paper we propose E-business development stages and strategy. The relations between E-business stage and strategy is proposed. To test the relations survey research is conducted. Data gathered from Korea Manufacturing finns that adopted E-business. To analyze the data used Cluster analysis and ANOVA. The empirical results show that firms classify into groups as E-business development stages, it relates E-business strategy. It implies that the higher E-business development stages adopt the higher E-business strategy.

Span內 集中質量을 갖는 彈性 Arm 先端의 位置制御를 위한 逆動力學的 解析

房斗烈,李聖哲 全北大學校 1995 論文集 Vol.39 No.-

A theoretical calculation is presented for the desired motor voltage driving a flexible arm with a concentrated mass within the span by inverse dynamics. We considered the problem that the tip position of the arm is controlled by the dc servomotor located at the shoulder, which is driven by the voltage obtained by inverse dynamics. As an example, we obtain the motor voltage to shift the end-point of arm from initial position to the desired position by the amount of w_d. Simulation results are obtained by applying the method of the Laplace transform of numerical inversion. Theoretical results which are obtained by inverse dynamics show that there exist fluctuation when acceleration of desired tip trajectory is changed suddenly, and motor voltage shape resembls acceleration curve.

孟子의 政治論

李成烈 圓光漢文學會 1984 圓光漢文學 Vol.1 No.-

E-business가 지식경영활동에 미치는 영향

방호열,김성호 국제무역학회 2002 국제무역연구 Vol.8 No.1

E-business가 지식경영에 미치는 영향을 파악하고 하는 것이 본 연구의 목적이다. 이를 위해서는 E-business를 세 가지의 차원(E-business 발전단계, E-business 전략, E-business 정보시스템)으로 분류를 하였고, 지식경영활동은 지식이전·지식활용의 차원으로 분류를 하여 분석을 실시하였다. 연구의 모형은 E-business가 지식이전에 영향을 미치고 지식 이전은 지식활용에 영향을 미친다라고 설정을 하였다. 제시된 가설을 분석한 결과는 다음과 같다. E-business의 발전단계와 정보시스템은 지식이전에 부분적으로 영향을 미치고 지식이전은 지식활용에 있어서 부분적으로 영향을 미치는 것으로 나타났다. The purpose of this study is that E-business affects knowledge management. To achieve E-business suggests three dimensions(E-business development stages, E-business strategy, E-business information system) and knowledge management activities do knowledge transfer application. The research model of this paper is that E-business affects knowledge transfer, knowledge transfer affects knowledge application. To test model survey research is conducted. Data gathered from Korea Manufacturing firms that adopted E-business. The empirical results show that E-business development stages and information system partially affect knowledge transfer, knowledge transfer also partially affects knowledge application.

특수간호단위와 일반간호단위의 간호업무별 작업부하 및 피로자각증상 조사

김성열,이성수,이병국 순천향대학교 산업의학연구소 1997 순천향산업의학 Vol.3 No.1

In order to investigate the level of workload of various nursing activity and the level of subjective symptom of fatigue of nurses who were engaged in special care unit and general nursing unit, 87 nurses were selected from one university hospital in Chunan Choognam. Because of personal reason, two nurses did not joined this study. The final study subject was 85 nurses who came from special nursing care unit such as intensive care unit and emergency room (42 nurses) and general nursing care unit such as general surgery ward, orthopedic surgery ward and neurosurgery ward (43 nurses). The period of this study was from January 16 to March 15, 1997. Structured questionnaire forms were provided to all study nurses to identify the level of workload of nursing activity (37 items) and the level of subjective symptoms of fatigue (31 items). As a part of evaluation of workload, heart rates of study subjects were measured with Polar Vantage XL heart rate monitors. The results of the study were as follows. 1. The mean score of questionnaire for the level of workload in special nursing unit were higher than those in general care unit in three different nursing activities (physical nursing activity, administrative nursing activity and functional nursing activity), but the statistical difference was observed only in the category of physical nursing activity(p<0.05). 2. In the physical nursing activity and functional nursing activity, the mean score for the level of workload of nurses with proper rest was lower than those without proper rest before regular duty(p<0.05). 3. The mean score of questionnaire for the level of subjective symptom of fatigue in special nursing unit were higher than those in general care unit in three different symptom categories (physical symptom, mental symptom and neurosensory symptom), but the statistical differences were observed only in the category of physical symptom and neurosensory symptom (p<0.05). The characteristie of fatigue symptom of study group was revealed as B dominant type which is night duty type. 4. The mean score of fatigue symptom of nurses who thought their work was overloaded were higher than those whose workload was adequate in neurosensory symptom (p<0.05). The mean score of fatigue symptom of satisfied nurses with their job were lower than those who were not satisfied with their job in all three cateogory symptoms. 5. The mean heart rates(beats per minute) of resting state and working state of special care unit were 75.6±7.7 and 90.4±7.4, whereas those of general care unit were 75.8±8.3 and 89.7±9.5, respectively. 6. There was statistical correlation between the level of workload of nursing activity and the subjective symptom level of fatigue (r=0.2301, p<0.05), but the working heart rate of study nurse and the heart rate difference (working heart rate - resting heart rate) did not correlate with above two variables (workload and symptom level of fatigue).