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      • IT 벤처企業의 引受.合倂 사례연구

        이기연,이수철 용인대학교 산업경영연구소 2007 산업경영논총 Vol.14 No.-

        M&As have been occurred in the field of I.T not only in foreign countries but also in Korea. I.T. venture corporations conduct M&As for establishing a new income-generating-model, acquiring steady income, and survival or growth. At the early stage of I.T venture M&As, M&As had been occurred among I.T venture corporations, however, recently occurred among I.T venture corporations and general corporations, especially among on-line corporations and off-line corporations. Most studies on M&As have been conducted for general corporations not for I.T. corporations. The purpose of this study is to propose M&A strategies for I.T. corporations. This study reviews previous theories and I.T. corporations' M&As cases to draw effective I.T. corporations' M&As strategies. This study finds out that future I.T. corporations' M&A will be executed among heterogeneous industries rather than homogeneous industries. M&A through intermediaries can help to reduce information uncertainty and insymmetry which are sources of costs and lead to increase efficiency. Also, M&As will be executed for contents developing corporations, and the cases of M&As will increase among e-commerce corporations.

      • 형질전환 제초제저항성 벼 밀양 204호의 농업적 특성

        정응기,이기환,원용재,박향미,전남수,최준호,구연충,한창덕,은무영,김태산,남민희 Plant molecular biology and biotechnology research 2005 Plant molecular biology and biotechnology research Vol.2005 No.

        This study was conducted to investigated the major characteristics of genetically modified rice of "Milyang 204" originated from Dongjinbyeo compared to a non-transgenic rice varieties Dongjinbyeo and Junambyeo. Basta resistant transgenic rice lines carrying bar gene produced by the Yeongnam Agricultural Research Institute were evaluated for their agronomic characters. The transgenic Japonica rice of "Milyang 204" showed inferior phenotypic traits compared to a non-transgenic rice variety Dongjinbyeo and Junambyeo. On the basis of UPOV (Union Internationale Pour la Protaection des Obtentions Vegetables) and NSMO(National Seed Management Office) the transgenic "Milyang 204" showed difference in some traits out of some agronomic traits, such as leaf color, angle of flag leaf, number of spikelets, culm length, white core and white belly compared to the nontransgenic varieties rice.

      • 인슐린 비의존형 당뇨병 환자에서 24시간 혈압 변동 및 요중 알부민 배설량에 관한 연구

        주기산,안기완,정종훈,배학연,홍순표 조선대학교 1995 The Medical Journal of Chosun University Vol.20 No.1

        Recently, blood pressure(BP) starts to increase in close relationship to development of persistent microalbuminuria in diabetes. Thus, author studied 24-hour BP changes in diabetics compared to the those in nondiabetics and the changes of urinary albumin excretion (UAE) according to 24-hour BP changes in diabetics with microalbuminuria. Twenty-four-hour ambulatory blood pressure monitoring(ABPPM) was performed in 38 NIDDM patients(18 normotensives and 20 hypertensives) and in 37 control subjects without diabetes(18 normotensives and 19 hypertensives) . Also 24-hour ABPM was performed in 38 diabetics (20 microalbuminurit and 18 normoalbuminuric). The analysis of individual recordings allowed us to detect an impaired circadian pattern(the disappearance of the nocturnal BP decrease or a paradoxical BP increase) in 30% of the normotensive and 31% of the hypertensive diabetics. Twenty-four-hour ABPM(night systolic/diastolic ±SD mmHg) was significantly higher in microabluminuric(124.2 ±11.4/75.1±8.2 mmHg) than in normoalbuminuric subject, (114.0±7.6/64.6±6.6 mmHg, p<0.05). This study suggests that not only awaking BP but also especially day-night minimum SBP decrease are highly responsible for the renal impairment in NIDDM patients, unrelation to hypertension. Thus. ABPM reflects the association between UAE and blood pressure in diabetics more precisely than clinical measurements. and a significant correlation exists between rate of increase in Urinary albumin excretion and blood pressure in diabetics.

      • KCI등재후보

        GIS와 RS를 이용한 생태지도 작성기법에 관한 기초연구

        이기철,이원화,윤해순,남춘희,김구연,김승환,서상현 한국지리정보학회 2004 한국지리정보학회지 Vol.7 No.3

        본 연구는 낙동강 하구 일대의 생태계 변화와 생태 관련자료를 GIS DB로 구축하고 생태지도를 작성하였다. 생태지도 작성을 위해 1984년 11월 21일, 1997년 5월 17일에 촬영된 공간해상도 30m의 Landsat TM 위성영상과 국립지리원에서 발행된 1:25,000 수치지형도, 부산시에서 조사한 생물현황 자료를 바탕으로 DB를 구축하였다. 생태지도를 작성하기 위해, 첫째, 낙동강 하구 생태계 조사 보고서와 현재까지 진행된 생태지도에 대한 문헌 연구, 둘째, 시계열적 토지피복분류도 제작, 셋째, 동·식물상, 수질 등 생태계 항목별 BB 구축과 3단계 방식에 의한 생태계 평가, 최종적으로는 이러한 분석 결과를 바탕으로 생태계 관리를 위한 생태지도를 작성하였다. This study developed an ecological mapping technique with GIS database using the analyses of existing ecological survey reports and the change detection on the Nakdong river estuary. The data which are used to establish GIS DB include 2 Landsat TM images on Nov. 31, 1984 and May 17, 1997, 1:25, 000 topographical maps established by National Geography Institution and various ecological survey reports published by Busan metropolitan city government. The details for producing ecological map are as follows. At first, the current methods of ecomapping efforts and previous ecological surveys of Nakdong river estuary were carefully examined. Secondly, the land cover maps were created from the classified Landsat images of 1984 and 1997 for the spatiotemporal ecosystem analysis. Thirdly, the ecosystem was evaluated by using GIS ecological database based on the criteria of botany, zoology and water quality etc. Each criteria was reclassified into 3 stages which describe the overall quality of ecological condition. At last, the comprehensive ecological map was suggested as a prototype of ecosystem assesment and management tool with the discussion of further study. The findings of this study would be a milestone for preserving and managing the ecosystem.

      • 철근 또는 강판을 이용한 철근콘크리트 전단벽의 휨성능개선에 관한 실험연구

        하기주,서수연,신종학,최민권 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1(구조계)

        The purpose of this paper is to study retrofit methods for improving the flexural capacity of RC shear wall. Four RC shear wall specimens are designed and strengthened by using reinforcement or steel plate. Cyclic loads are applied to the specimen under constant axial force. Test result shows that the strength and ductility of specimen is improved when it is strengthened using reinforcement or steel plate. The specimen retrofitted by using steel plate shows high ductility. However the strength contribution of one is not much. It is shown that the most effective method is both to install the additional flexural reinforcement and to confine the ends of wall.

      • 조직구성 수성망상증 2예

        최연수,박일,죄희충,김원식,양태영,허경,안기완,정춘해 조선대학교 1993 The Medical Journal of Chosun University Vol.18 No.2

        Histiocytic medullary reticulosis (HMR) is a malignant noeplastic process, with tumor cells belonging to the histiomonocytic line, and originally described by Scott and Robb-Smith in 1939 characterized by its acute onset, progression to death within a few months and its clinical features are fever, lymphadenopathy, hepatosplenomegaly, jaundice, and purpura common laboratory findings are characterized by severe anemia, leukopenia, thrombocytopenia and histologically by systemic progressive invasion of morphologically atypical histiocytes or of their precursor. 61 and 37-year-old males were admitted with camplaints of high fever and chilling sensation and were treated by cyclophosphamide, vincristine, prednison and antiobiotics, but patients all died 17 and 14 days after admission due to probably sepsis and respiratory failure.

      • 분산 제어 시스팀의 정보 교환 방식에 관한 연구

        신기명,김용득,이재연 亞洲大學校 1988 論文集 Vol.11 No.-

        A protocol on transfering informations between IBM-PC/AT and STC(Self-Tuning Controller) using the RS-485 bus is suggested. The operating algorithm is designed so that the host computer monitors the status of STC and updates parameters depending on the environmental conditions for the various operating modes.

      • KCI등재

        일부 세탁소의 유기용제 관리실태 및 공기중 노출농도에 관한 조사

        노영만,권기범,박승현,정지연 한국산업위생학회 2001 한국산업보건학회지 Vol.11 No.1

        This study was conducted to identify the current status of occupational safety and health by checklist and to evaluate the airborne exposure to chemicals and to provide the appropriate recommendation for safety and health of laundries. A total of 20 laundries located in the Gyungi district area were surveyed from July 20 to September 15, 2000. The prevalence of laundries having a stove and gas range were found to be 25 % and 55 %, respectively. Smoking is not allowed in 60 % of the laundries. Only 10 % of dry-cleaners were isolated. Ventilation system in laundries had not been annually inspected. Most of the workers didn't put on respirators, MSDS were not available, and storage bottles did not contain warning labels. The bulk samples of dry cleaning agent include many chemicals that are not controlled by the MOL in Korea. The detected airborne organic solvents in the laundries were benzene, toluene, p-xylene, m-xylene, o-xylene, perchloroethylene, and 2-butoxy ethanol. The airborne concentrations of organic solvents were much less than the occupational exposure limits proposed by the Ministry of Labor(MOL) in Korea. But the concentrations of benzene exceeded the TLV of ACGIH. This study showed that the current status of occupational safety and health was not appropriate for workers in laundries. It is recommended that laundry workers should be educated for the treatment and storage of hazardous organic solvents to improve the occupational safety and health of the working environment as well as MSDS usage. Also, extended research and survey for the organic solvents that are not controlled by the MOL has to be conducted.

      • 산업근로자의 식생활 의식행태 조사

        김무룡,황연자,차경미,이순자,위광복,남철현,김기열,김홍길 慶山大學校 保健福祉硏究所 1997 保健福祉硏究 Vol.1 No.-

        This study was carried out to grasp the awareness and habits of food intake and use the information for health education program in order to help healthy dietary life. The survey was done in cooperation with health manager in industries on 1,200 workers who was selected randomly from 5 types of industries from Sep. 2 to Oct. 31, 1995. The results are summarized as follows: 1) The percentage of subjects who assess themselves "Healthy" was more higher in female, in 20∼29 age group, in single, in daytime workers, in college graduate than other groups respectively. 2) As for the degree of health education satisfaction, 35.5% of the subjects answered "dissatisfaction" 3) As for the exercise, 52.7% exercised for their health and the rate of exercise was more higher in male, in 30 years age group, in single than other groups respectively. 4) The rate of smoking was 57.6% and the rate of drinking alcohol was 47.3%. 5) 92.8% of the subjects got stress everyday and the rate is more higher in female, in less than 19 years old, in single, in longer working duration, in lower income, in high school graduates, in workers of product field line than other groups respectively. 6) As for drinking times of coffee or soft drink, two times per day was 29.5%, more three times per day was 28.0%. As for the eating speed of meal, 46.0% of the subjects answered "fast" and the rate was more higher in male, in 30 years age group, in married group, than other groups respectively. 7) With regard to the level of preference to instant food, 23.1% preferred to take instant food. As for the level of preference to hot and salty food, 28.1% preferred to have hot and salty food. 8) The score of eating behavior was 3.38±32 point to 6 point full marks. 9) With regard to the correlation among related variables, the variables of gender, marital status and working duration had positive relation with the variables of regular meal intake, the preference to food intake between regular meals.

      • 고려 엉겅퀴(Cirsium setidens Nakai) 잎 조직을 이용한 callus 배양 및 항산화 활성 검증

        박정훈,심예지,박기임,이인순,문혜연 대구대학교 특수교육재활과학연구소 2010 産業技術硏究 Vol.21 No.1

        We described the effects of antioxidant activity on the extracts of tissue and callus formation by Cirsium setidens Nakai. The callus culture were induced from leaf tissue of Cirsium setidens in both MS and B5 medium with IAA or/and kinetin (0∼5.0 ㎎/ℓ). As medium for callus culture induced from Cirsium setidens, B5 medium showed better condition than MS media. MS medium brought to decrease callus differentiation after formation, on the other hand B5 medium induced to accelerate callus differentiation. Among phytohormones is required 0.5 ㎎/ℓ of IAA and between 2.0 ㎎/ℓ and 1.0 ㎎/ℓ of Kinetin for formation of callus. In order to extract functional material from natural leaf and callus tissue of Cirsium setidens used distilled water and 75% ethanol as solvent and those extract used to determine antioxidant activity as alpha-diphenyl-2-picryl-hydrozyl (DPPH) radicals scavenging effect and TBA(thiobarbituric acid) activity. In result, the effect of DPPH and TBA had high activity more natural leaf extract than callus tissue and 75% ethanol was solvent better than distilled water. The 75% ethanol extract of natural leaf showed an excellent antioxidant activity because that particularly had highest concentration of vitamin C and total phenol among those extracts

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