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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

      • 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.

      • 전통마을 주거환경 및 주거공간의 구성적 특성에 관한 연구

        정준현,백영흠 대구대학교 과학기술연구소 1999 科學技術硏究 Vol.5 No.5

        This study aims primarily that the charateristics of the organization of the residential environment in the traditional village, and the regional type of the traditional residence(Min Ga) is surveyed and analyzed to be objected on the Mun-Keyng, Bugok Ma-ul. By The first visit for the site on July, 1997 to be established the surveying plan, the main surveying is duing 20∼25 on August,1997, and the additional surveying is duing during May and June, 1998.

      • 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.

      • 한국 금융기관의 시설경비·경호 현항과 개선방안

        박준석,최진영 龍仁大學校 武道硏究所 2004 武道硏究所誌 Vol.14 No.2

        In this paper, examine present status of financial institution s facility in USA and Japan which are known as advanced countries of private security industry, and analyze face subject and controversial points. And then, grope improvement plan for efficient security and problems of Korean financial institution s security. As results of study, for improved self-security of financial institutions, followings are the financial institution self-security plans and confrontation plan of private security companies. First, among the financial institutions, crime is increasing to community bank which security is vulnerable relatively than major banks. This is evidence that advanced security equipments are effective to control the will of crime. Therefore, financial institution should install advanced security equipments under the sense of duty that manage customer s property safely by oneself, and cooperate with private security company for better crime prevention activities. Second, criminals are usually propel crime at opening, changing time at lunch, and at closing hour. Because, employees of financial institution are not paying much attention in those loose time. Therefore, non-window personnel s supports are must be provided to make circumstance that window personnel works at right position certainly when starting time or shifting time. Third, when crime is occurred, non-window personnel must issue alarm quickly and request cooperation of the police or private security company. Especially, one of the important suggestion by this paper is that alarm should be issued to in and out side of financial institution along with the police and private security company and establish citizen arrest system which helps arrest criminals by citizen or related agents in neighbor area. Fourth, Security must be managed as multiple system such as automatic alarm device on building walls and vault to issue the alarm when there are unusual noises or vibration of vault because in case of single alarm he, F criminals cut off the alarm line, it could be open state to crime. So, must establish multi alarm system and make criminals not to accomplish crime by delaying entry time. Fifth, to customer who withdrawal cash or check more then certain amount, escort service should be introduced and escort to destination safely as customer protection system even if customer does not ask for. And Followings are confrontation plan of private security companies. First, confrontation ability at initial stage is not enough. Under current security system, it is very hard to reach the spot with crime time even If go out as fast as possible. Therefore, manage manless automatic monitor system thoroughly and set multi-channel warning system so that alarm may issue around police station or private security' company as well as banking facilities neighborhood in case of panic button is pressed in window, and must grope plan of total citizen criminal prevention system that can request neighborhood inhabitants' cooperation. If systematic and synthetic management is accomplished in window, crime can be prevented in some degree. In other words, most of crime at window can be prevented by alarm management system at window, cooperation system with professional security agents and insuring window security agents, etc. Second, securing professionalism of professional security team is urgent. Most of private security company's manpower are not qualified, and it is that they are not much helpful when actual situation occurred. Also, it is truth that their role is limited to carry out preventive patrol activity. Therefore, professional training and education to financial facility staff is required. Moreover, should recruit specially trained manpower at military or police, and it is necessary to consider plan that confront properly in initial state of crime. And the most important thing is holding back criminal's crime wills thru security staffs periodic and systematic confrontation training abut financial facilities crime. Third, professional security school is necessity to educate and train private security staff by each fields. As a plan to this idea, utilizing education and training system of existing school or military, and newly establish professional education and training institute to cultivate professional security staffs. Especially, for financial facility, must aim at operation of the most advanced security equipments. And for cash-in transit vehicles, must used wireless transmitter equipped vehicles and bags obligatorily, so that it is possible to trace the location when it is robbed.

      • KCI등재

        치과주조용 Ti-Zr-Cr계 합금에서 Cr 함량변화가 부식저항성에 미치는 영향

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

        The purpose of this study was to develop new dental casting titanium (Ti) alloys having an excellent mechanical properties and good corrosion resistance as a substitute for c.p Ti and Ti-6Al-4V alloy (control groups). Ti-20Cr, Ti-2OZr and Ti-20Zr-XCr (X=2, 5, 10, 15) alloys (experimental groups) were designed for dental casting Ti alloys. Prior to casting prccedure, mother alloys were prepared by using vacuum arc melting with skull melting method. Argon-arc melting and argon/vacuum-pressure casting machine were used for making the specimens. The hardness, microstructure, and corrosion resistance were evaluated by using Vickers microhardness measurement, FE-SEM, and anodic polarization test. The results were as follows: 1. The Vickers microhardness (Hv) of Ti and Ti-6Al-4V alloy showed the values of 210 and 352, and Ti-20Cr and Ti-20Zr alloys showed the values of 341 and 259, respectively. As the Cr content increased from 0 to 15 % in Ti-20Zr-XCr (X=0, 2, 5, 10, 15) alloys, the Hv increased from 259 to 298, 457, 344, and 351, respectively. The microstructure of Ti-20Zr-XCr specimens showed significant difference by the concentration changes of Cr content showing acicular crystalline structure for Ti-20Zr-2Cr and Ti-20Zr-5Cr, and equiaxed crystalline structure for Ti-20Zr-10Cr and Ti-20Zr-15Cr. 2. Open-circuit potentials (E_(∝)) were rapidly decreased followed by steadiness as time elapse in all experimental groups except in Ti-20Z group. Ti-2OZr group showed an increase in E_(∝), from the first. 3. In potentiodynamic anodic polarization tests, all experimental groups showed more noble corrosion potential (E_(corr) than that of Ti-6Al-4V, and more basic E_(corr) than that of Ti. Especially, Ti-20Zr-10Cr alloy showed most favorable corrosion resistance among Ti-Zr-Cr alloys. 4. For Ti-20Zr-10Cr, Ti-20Zr-15Cr, and Ti-20Cr groups, which have more than 10% Cr content, the secondary corrosion potential shifted to noble direction in larger amounts than in the cases of control and other experimental groups. From these results, it was concluded that newly formulated Ti-20Zr-10Cr experimental alloy have adequate hardness and high corrosion resistance, and this alloy is promising candidate for a successful dental casting alloy.

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