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      • KCI등재

        학습문제 구조화를 통한 효율적인 웹기반 개별화 학습시스템 RC<sup>2</sup>의 설계 및 구현

        송민아,송은하,정권호,정영식,Song, Min-A,Song, Eun-Ha,Jung, Kwon-Ho,Jeong, Young-Sik 한국컴퓨터교육학회 2000 컴퓨터교육학회 논문지 Vol.3 No.1

        일반적인 WBI가 제공하는 공간 속에서 하이퍼미디어 기술을 도입하여 학습자가 학습에 대한 선택의 자유를 가지며, 또한 자기 나름대로 학습의 평가하는 개별화 교수-학습 환경을 제공한다. RC2 시스템은 기본적으로 클라이언트-서버 모델이며, LCPG 모델을 기반으로 하는 학습진행 및 학습평가 알고리즘을 제공하고 학습자 개개인의 특성에 맞는 동적인 재학습 메커니즘을 제시한다. 또한 웹을 통한 코스웨어 저작자인 교사에게 편리한 인터페이스를 제공하기 위한 학습 에디터를 지원한다. All learners can selection of their work through hypermedia technology in the area provided by usual WBI. Also, it provides learner with individual teaching-learning environment and estimation. RC2 System has the fundamental client/server model, and provides the learning, evaluation algorithms based on the LCPG(Learning Contents Problem Graph) model, the dynamic re-learning mechanism in according to the property of individual. Moreover, it support learning editor to provide interface, which is convenient for teacher, Courseware writer, on the Web

      • KCI등재

        하이브리드 공정으로 제조한 TiAlSiN 박막의 특성

        송민아(Min-A Song),양지훈(Ji-Hoon Yang),정재훈(Jae-Hun Jung),김성환(Sung-Hwan Kim),정재인(Jae-In Jeong) 한국표면공학회 2014 한국표면공학회지 Vol.47 No.4

        In this study, TiAlSiN coatings have been successfully synthesized on stainless steel and tungsten carbide substrate by a hybrid coating method employing a cathodic arc and a magnetron sputtering source. TiAl and Si target were vaporized with the cathodic arc source and the magnetron sputtering source, respectively. Process gas was the mixture of nitrogen and argon gas. With the increase of Si content, the crystallinity and the grain size of TiAlSiN film was decreased. At the Si content of more than 8 at.%, grain size of TiAlSiN was saturated at around 2 nm. The hardness value of the TiAlSiN film increased with incorporation of Si, and had the maximum value of ~ 3,233 Hv at the Si content of 9.2 at.%. The oxidation resistance of TiAlSiN film was enhanced with the increase of Si content.

      • KCI등재

        당대(唐代) 사마승정(司馬承禎)의『천은자(天隱子)』에 대한 연구(硏究)

        이남구 ( Nam Goo Lee ),최한백 ( Han Baek Choi ),송민아 ( Min A Song ),김정완 ( Jeong Wan Kim ) 대한한의학원전학회(구 대한원전의사학회) 2010 대한한의학원전학회지 Vol.23 No.5

        Chuneunja(天隱子) was publication that described the life nurturing(養生) of Taoism, consisted of 8 chapters. It was comparative primary writing and contained important contents in related to the life nurturing of Taoism. It belonged to the life nurturing of Taoism that influenced by Confucianism and Buddhism. It emphasized on the practical and rational thought that mastered morality by performing gradually. It showed the concrete asceticism method like to the basic regimen training of Taoism, for example mind control(調心), flesh control(調身), breath control(調息), conduction exercise(導引), raping teeth (叩齒法) and swallowing saliva(嚥津法). Oriental traditional regimen focused on realizing balanced human character by practicing human mind and body. It may show the direction to modern person that are troubled with harmful effect of modern civilization. If we throw away superstitious and unreal part in the traditional regimen and apply regimen in one`s life, we may consider that regimen contribute to human health. Therefore, we require clear understanding for the classic data inherited from predecessors.

      • KCI등재

        작업치료과 학생들이 지각한 작업치료사의 이미지의 대한 연구

        송민옥 ( Min Ok Song ),장아람 ( A Ram Jang ),정명진 ( Myeong Jin Jung ),홍미애 ( Mi Ae Hong ),장철 ( Chel Jang ) 대한통합의학회 2013 대한통합의학회지 Vol.1 No.3

        Purpose : The purpose of this study work for the therapy and how students perceive the occupational therapist was to find out how. Method : The subjects in Busan and Kyungnam located in three two-year colleges and four-year clinical experience of two college students completed work therapeutics were expressed any research to understand the purpose of those who agreed to participate in the survey responded to the 175 people working Therapeutics two, three, four grades were included in the study. Result : 1. Education according to the image of the occupational therapist in grades four -year professional, the value and worth, the patient understand the position was higher in order. 3 -year sophomore highly skilled in, the patient understand the position, sincerity was higher in order. 2. Gender occupational therapist who specializes in images for men, the value and worth, high practician was higher in women who were professional, the value and worth, helfer as high. 3. Theory of motivation based on the value of occupational therapists and rewarding images aptitude and interest, high practician, attractive, intellectual was in order. Entrance examination scores as a professional party, value & worth, abuse of authority ceremony was in order. 4. Image by Place of Practice Rehabilitation Hospital occupational therapist who specializes in, high practician, intellectual was in order. Care in the hospital and rewarding value, the professional character, high practician was in order. Hospital and rewarding the value, who specializes in, hepfer was in order. University Hospital who specializes in, the value and worth, Attractive was in order. Conclusion : It had revealed that occupational image perception of occupational therapy student was positive.

      • KCI등재

        의료종사자의 다문화 역량과 직무스트레스

        권수아,양남영,송민,김남이,Kwon, Su A,Yang, Nam Young,Song, Min Sun,Kim, Nam Yi 한국가정간호학회 2016 가정간호학회지 Vol.23 No.2

        Purpose: The purpose of this study was to investigate the level of cultural competence, intercultural communicative competence, and multi-cultural job stress among healthcare workers and to explore factors that are related to their cultural competence. Methods: The study subjects were 142 healthcare workers at a general hospital. Data were collected using a questionnaire on cultural competence, intercultural communicative competence, and multi-cultural job stress. A t-test, ANOVA Pearson's correlation coefficient, and multiple regression analysis were conducted using SPSS. Results: Cultural competence was significantly related to the necessity of multi-cultural education, and intercultural communicative competence was significantly related to age, a vocational career, communication in foreign languages, and having multi-cultural neighbors. Moreover, multi-cultural job stress was significantly related to religion. In multiple regression results, cultural competence was found to be related to intercultural communicative competence and multi-cultural job stress. Conclusion: Healthcare workers who are set to care for multi-cultural patients should improve intercultural communicative competence and reduce multi-cultural job stress.

      • KCI등재

        제주지역 시설딸기에 발생하는 해충의 종류와 피해특징

        양철준,양영택,송민아,송정흡,Yang, Cheol Jun,Yang, Young Taek,Song, Min A,Song, Jeong Heub 한국응용곤충학회 2016 한국응용곤충학회지 Vol.55 No.4

        시설딸기에 발생하는 해충 종류와 피해를 구명하기 위하여 2013년부터 2016년까지 제주지역의 농가포장에서 조사한 결과 8목 31종이 발생되고 있었다. 그중에서 발생과 피해가 큰 해충은 점박이응애(Tetranychus urticae), 꽃노랑총채벌레(Frankliniella occidentalis), 목화진딧물(Aphis gossypii) 3종이었다. 그 외에 딸기가루이와 괴테애매미충은 일부 조사포장에서 피해가 나타났으나 발생과 피해가 점차 증가하고 있었다. 나방류 중에서는 담배거세미나방(Spodoptera litura)의 발생빈도와 피해가 가장 컸으며, 왕담배나방(Helicoverpa armigera)은 조사기간 중 발생빈도는 적었으나 피해는 심했다. 조사 해충 중 황색끈끈이트랩으로 발생밀도를 예찰할 수 있는 꽃노랑총채벌레와 목화진딧물 유시충, 딸기가루이, 괴테애매미충에 대한 시기별 발생특성에 대하여 고찰하였다. This study was carried out to investigate pests and their damage caused to commercial greenhouse strawberries in Jeju from 2013 to 2016. A total of 8 orders, including 31 species, of pests were found. Among them, the major pests were Tetranychus urticae, Frankliniella occidentalis, and Aphis gossypii. Although Trialeurodes packardi and Empoasca vitis were sometimes severely damaged strawberries, their frequency of occurrence and damage caused increased gradually. Of lepidopteran pests, Spodoptera litura showed the highest occurrence and damage. Although Helicoverpa armigera was showed a low occurrence frequency, it caused severe damage. We discussed the seasonal occurrence patterns of four pests-F. occidentalis, the alate A. gossypii, T. packardi and E. vitis-monitored by yellow-colored sticky traps.

      • KCI등재

        시설딸기 주요 비행해충의 황색끈끈이트랩 이용 효율적인 발생예찰

        양철준,송정흡,양영택,김효정,송민아,좌창숙,Yang, Cheol Jun,Song, Jeong Heub,Yang, Young Taek,Kim, Hyo Jeong,Song, Min A,Jwa, Chang Sook 한국응용곤충학회 2017 한국응용곤충학회지 Vol.56 No.3

        시설딸기 주요 비행 해충인 꽃노랑총채벌레 Frankliniella occidentalis와 목화진딧물 Aphis gossypii 유시충, 온실가루이 Trialeurodes vaporarium에 대해 발생초기 파악을 위한 황색끈끈이트랩 이용기술을 규명하였다. 제주지역 농가 재배 3개소에서 5개년 동안(2013~2017년) 재배 전 기간(9월~이듬해 5월)에 걸쳐 조사한 트랩자료를 이용 분석하였다. 해충의 공간분포 특성은 일반적으로 이용하고 있는 Taylor's power law와 Iwao's patchiness regression으로 분석한 결과 대상 해충 모두 집중분포를 하고 있었다. 두 회귀식 중 꽃노랑총채벌레와 목화진딧물 유시충은 Taylor's power law이, 온실가루이는 Iwao's patchiness regression이 공간분포 특성을 잘 설명하고 있었다. 트랩당 평균밀도와 최고밀도, 11마리 이상 잡힌 트랩 비율 간에는 높은 상관관계를 갖고 있었다. 트랩당 평균 밀도 4.0마리를 추정에 필요한 최소 트랩수는 꽃노랑총채벌레 13개, 목화진딧물 유시충 11개, 온실가루이 10개이었다. 고정 정확도 0.25 수준에서 3종 해충의 Taylor's power law과 Iwao's patchiness regression 상수를 이용하여 축차표본조사 중지선을 구하였다. Sampling plan using yellow sticky traps for the major strawberry flying pests - western flower thrips Frankliniella occidentalis adults, cotton aphid Aphis gossypii alate and greenhouse whitefly Trialeurodes vaporarium adults was developed to determine the initial occurrence time. The analyzed trap data were obtained from three commercial strawberry greenhouses for the whole growing season (September to May of the following year) during 2013 to 2017 in Jeju province. Three flying pests showed the aggregated distribution patterns resulted from commonly used regression techniques - Taylor's power law and Iwao's patchiness regression. Taylor's power law was better description of mean-variance relationship of the western flower thrips and the cotton aphid than Iwao's patchiness regression, otherwise greenhouse whitefly was better described by Iwao's patchiness regression. There were highly significant correlated among mean density per trap, maximum density and proportion of traps with more than 10 individuals. To estimate 4.0 heads of mean density per trap, the minimum number of traps were required 13 traps for western flower thrips, 11 traps for cotton aphid and 10 traps for greenhouse whitefly. The sequential sampling plans at the fixed precision level 0.25 were developed using parameters of Taylor's power law for western flower thrips and cotton aphid, and of Iwao's patchiness regression for greenhouse whitefly.

      • KCI등재

        빗각 증착으로 제조된 TiN 박막의 특성

        정재훈(Jae-Hun Jung),양지훈(Ji-Hoon Yang),박혜선(Hye-Sun Park),송민아(Min-A Song),정재인(Jae-In Jeong) 한국표면공학회 2012 한국표면공학회지 Vol.45 No.3

        Oblique angle deposition (OAD) is a physical vapor deposition where incident vapor flux arrives at nonnormal angles. It has been known that tilting the substrate changes the properties of the film, which is thought to be a result of morphological change of the film. In this study, OAD has been applied to prepare single and multilayer TiN films by cathodic arc deposition. TiN films have been deposited on cold-rolled steel sheets and stainless steel sheet. The deposition angle as well as substrate temperature and substrate bias was changed to investigate their effects on the properties of TiN films. TiN films were analyzed by color difference meter, scanning electron microscopy, nanoindenter and x-ray diffraction. The color of TiN films was not much changed according to the deposition conditions. The slanted and zigzag structures were observed from the single and multilayer films. The relation between substrate tilting angle (α) and the growth column angle (β) followed the equation of tanα = 2tanβ. The indentation hardness of TiN films deposited by OAD was low compared with the ones prepared at normal angle. However, it has been found that H³/E² ratio of 3-layer TiN films prepared at OAD condition was a little higher than the ones prepared at normal angle, which can confirm the robustness of prepared films.

      • KCI등재

        빗각 증착으로 제조한 Al 박막의 특성

        박혜선(Hye-Sun Park),양지훈(Ji-Hoon Yang),정재훈(Jae-Hun Jung),송민아(Min-A Song),정재인(Jae-In Jeong) 한국표면공학회 2012 한국표면공학회지 Vol.45 No.3

        Oblique angle deposition (OAD) is a physical vapor deposition method which utilizes non-normal angles between the substrate and the vaporizing source. It has been known that tilting the substrate changes the properties of the film deposited on it, which was thought to be a result of morphological change of the film. In this study, OAD has been applied to prepare single and multilayer Al films by magnetron sputtering. The magnetron sputtering source of 4 inch diameter was used to deposit the films. Al films have been deposited on Si wafers and cold-rolled steel sheets. The multilayer films were prepared by changing the tilting angle upside down at each layer interval, which means that when the first layer was deposited at an angle of +45°, the second layer was deposited at an angle of ?45°, and vice versa. The microstructure, surface roughness and reflectance of the films were investigated using a scanning electron microscope, a surface profiler and a spectrophotometer, respectively. The corrosion resistance was measured and compared using the salt spray test. The single layer film prepared at an oblique angle of 60° showed a smoother surface than the films prepared at other angles. However, for the multilayer films, the film prepared at an oblique angle of 45° showed the most compact and featureless structure. The multilayer films were found to exhibit higher corrosion resistance than the single layer films.

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