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      • KCI등재후보

        경막외에 침범한 과립구성 육종 1예

        최완영,김인순,최일영,정태준,이영열,고영혜,김남규 대한내과학회 1992 대한내과학회지 Vol.42 No.4

        본 저자들은 백혈병으로 진단 받지 않은 환자에서 경막외에 침범하여 척수를 누르고 있고 수술후 방사선 치료로 증상이 좋아진 과립구상 육종을 경험하였기에 이에 보고하는 바이다. Granulocytic sarcoma is an uncommon tumor composed of immature cells of the granulocytic series, occuring in patients with AML and blast crisis of CML. It may rarely precede an acute myelogenous leukemia with an uniformly fetal course. We experienced a case of granulocytic sarcoma of extradural space presenting as spinal cord compression in a 31 years old female with no evidence of leukemia on the bone marrow and periphera1 blood. The tumor was located to the T₁-T₃ having narrowing pole after decompression laminectomy, patient received local irradiation to the residual tumor bed, and being followed at the OPD without evidence of leukemia.

      • KCI등재

        전통시장 시설현대화사업이 전통시장 활성화에 미치는 영향 분석

        이준호(Lee, Jun-Ho),김영(Kim, Yeong),김경훈(Kim, Kyoung-hun) 한국지역개발학회 2013 韓國地域開發學會誌 Vol.25 No.1

        After full opening of distribution market in 1996, its competitiveness was lost and declined due to the emergence of a variety of distribution types, change of customers consumption habits, and purchase patterns. Therefore, Korean government began to support the modernization projects of traditional markets through the establishment of law for the activation of existing traditional markets. In this regard, this study attempts to diagnose the problems of facility modernization projects through substantial and concrete effect analysis on facility modernization projects to provide the activation methods effectively. To achieve this goal, we analyzed the overall satisfaction and substantial effect of facility modernization projects for traditional markes by carrying out questionnaire surveys on merchants at Jun-gang Yudeung Market in Jinju. As a result of questionnaire survey, customers were generally satisfied with the facility modernization project, the market environment was improved and the customer numbers and sales amount which show the actual improvement also increased after implementing the projects. Also, it was proved that customer numbers and the sales amount after the facility modernization project of traditional markets increased and the degree in the increase was low level of 5~20%. Therefore, it was analyzed that sub-project items of the facility modernization project, which have a significant effect on the activation of traditional markets, had a low level of influence.

      • 기능사 자격취득용 소프트웨어의 사용자 만족도 연구

        전영국,허영남,이천영 順天大學校 師範大學 附屬 科學敎育硏究所 1997 科學과 敎育 Vol.5 No.-

        In this study, software for testing technician qualification was analyzed in terms of satisfaction degree according to institutional types, gender and capability through the questions of QUIS using SPSS 7.5. And the results of free opinions were examined as well. The reliability of the survey showed Cronbach α=0.89. The overall satisfaction was analyzed with 59%. In the area of learning, the satisfaction was the highest. That means users felt relatively comfortable in learning. But the analysis also showed that the value of the system in the future was low, and the safety of the system was insecure. In conclusion, the revision of the function and the system was necessary

      • KCI등재

        양극산화와 열산화 처리로 형성된 티타늄 산화막의 표면 특성과 생체활성에 관한 연구

        박영준,송호준,이용렬 大韓齒科器材學會 2004 대한치과재료학회지 Vol.31 No.4

        The purpose of this study was to evaluate the surface characteristics of titanium oxide films formed by anodization and thermal oxidation techniques, and to investigate its effects on formation of calcium phosphate. As experimental specimen groups, naturally oxidized film (AS-R), thin anodic oxidation film (ANO-L), thick anodic oxidation film (ANO-H) treated up to dielectric breakdown voltage, and thermal oxidation films of TH-L and TH-H treated at 530℃ and 800℃ in the air, respectively, were prepared. Surface characterization was performed using field emission-scanning electron microscopy (FE-SEM), X-ray diffractometry (XRD), Raman spectroscopy, and X-ray photoelectron spectroscopy (XPS) in order to evaluate the micro-morphology, crystalline structure, chemical composition, and binding structure of the oxide films. Bioactivity of specimen groups was investigated by evaluating the degree of calcium phosphate formation after immersing the samples in MEM for 7 days. The results were as follows: 1. Nanometer sized granular oxide particles were distributed on the surface of TH-L samples and sub-micrometer sized large crystallites were formed on TH-H samples. Irregularly shaped oxides were observed in ANO-L, and homogeneously porous oxide film having average pore size of about 0.5 ㎛ was formed in ANO-H. 2. Titanium oxide films having anatase crystalline structure were formed on ANO-L and TH-L sample surfaces. However, the preferred orientation crystal planes of ANO-L and TH-L were different to be (101) and (004) plane, respectively. Rutile crystalline structure was dominantly shown on TH-H sample, and anatase and rutile crystals were co-existed on ANO-H sample surfaces. 3. The amounts of hydroxyl group, which is related to the bioactivity of titanium implant, were higher in thermally treated specimen groups than in other groups. This result was analyzed to have close relation to the preferred orientation crystal plane and surface area of oxide films. The content of hydroxyl group increased as the density of surface titanium atoms increased, and that was least in specimen group having rutile and anatase crystalline structure in coexistence. 4. Immersion test in MEM showed that the capacity of calcium phosphate formation was dependent on total content of hydroxyl group and surface morphology of titanium oxides.

      • 유아의 초인지 계발을 위한 컴퓨터 시뮬레이션 개발

        박영태,김준규 동아대학교 학생생활연구소 2001 學生硏究 Vol.29 No.-

        The purpose of the develop a computer simulation model for improve of metacognition of infant The follow conclusions were obtained from the results the study. First, there's require simulation model based computer program fidelty. Second, in this model, the learner can explore his own path for himself. Third, we first studied and analyzed characteristics of infants. Fourth, we established a learning model with which infants might effectively improvement metacognition. Fifth, simulation model should be designed to be self-directed learning. Finally, the simulators are designed for a learner to get experiences just like in a real world. The advice room provides the basic concepts needed for simulation.

      • 유아의 수개념 학습을 위한 시뮬레이션형 학습 모델의 설계

        박영태,김준규 東亞大學校 學生生活硏究所 2000 學生硏究 Vol.26 No.-

        The purpose of the study designed a simulational instructioil mode1 for problem solving learning applying the situational simulation and process simulation to the technique for developing situational learning coursewares based on constructivism. The follow conclusions were obtained from the results of the study. First, there's require simulation model based constructivism instructional theory. Second, we first studied and analyzed characteristics of infants. Third, we established a learning model with which infants might effectively learn numerical concept and developed a courseware in the basis of it. Fourth, in this model, the learner can explore his own path for himself. Fifth, the numeric concept simulation model consists of one simulators, such as polygon classfication, comparison, seriation, a helping room. Sixth, simulation model should be designed to be self- directed learning. Finally, the simulators are designed for a learner to get experiences just like in a real world. The helping room provides the basic concepts needed for simulation.

      • KCI등재

        오리엔탈나리의 球根 收穫時期와 低溫處理 期間이 生育에 미치는 影響

        金熙峻,金正萬,金致善,柳汀,崔泳根,文炳永 한국화훼연구회 2001 화훼연구 Vol.9 No.1

        This study was carried out to determine the effect of the duration of chilling treatment and the lifting time of bulbs on growth of Lilium Oriental hybrids for product of cut flower in the type of forcing or semiforcing culture in Korea. "Casablanca", "Acapulco" and "Le Reve" in lilium Oriental hybrids were used in these experiment and carried out from 1999 to 2000 in Iksan, Korea. The bulbs for experiment were lifted on August 27, September 27 and October 27 and the all of them were chilled at 5±1℃ for 0,8,10,12 weeks. Development of the bulbs lifted on October 27 was superior than that of lifted bulbs on August 27 in the three cultivars. The bulbs lilted lately and chilled for a long time were sprouted more earlier and grown faster. In order to increase bulb sprouting until 100%, the duration of chilling treatment of bulbs was need for 12 weeks on August 27, 10 weeks on September 27 and above 8 weeks on October 27. The flowering according to the duration of chilling treatment and the lifting time of bulbs was same above. Consequently, the bulbs should be chilled at 5±1℃ for chilled for 10 weeks at late September and 8 weeks in producted bulbs at late October in earlyㆍMidseason variety fur product of cut flower hut bulbs of late variety should be chilled for 12 weeks at late September and 10 weeks at late October.

      • 민간영리 스포츠 시설로서의 수영장의 라이프 사이클과 경영전략에 관한 연구

        윤영복,박준희,정용준 조선대학교 사범대학 부설 교과교육연구소 1998 敎科敎育硏究 Vol.1 No.1

        We made a research on the sports facility managers who manage the commerical swinning center in seoul, Kwang Ju, Pusan and Taegu, The results are as follows: (1) The competive strategy of swimming center consists of inner-differentiation strategy, out-differentiation strategy and low cost strategy. (2) Inner-differentiation strategy is emphasized by the swimming center which sets the goal for growth maintenance. (3) Competitive stratgy of swimming center is dertermined by each stage in the life cycle theory ① Introduction stage : The emphasis of strategy is laid on inner-differentiation strategy. ② Growth stage : The emphasis of strategy is laid on both inner-differentiation strategy and out-differentiation strategy ③ Decline stage : The emphasis of strategy is laid on out-differentiation strategy with the aim to maintain.

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