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      • A Study on Planning and Implementing of Technology Forecasting Strategy

        BC Lee(이병찬),HK Shin,YJ Kwon,CW Lee 한국로고스경영학회 2007 한국로고스경영학회 학술발표대회논문집 Vol.2007 No.7월

        This study explores technology strategy in an industry. The technology road mapping (TRM) approach is utilized for reviewing in technology management. Korean industry heavily depends on certain technology style. For vitalizing an industry, this study focuses on finding best practices in Korea' s long term technology planning. This study provides policy-makers and business decision-makers with insights that can achieve strategic gains along with a significant competitiveness of technology roadmaps (TRM) of an industry.

      • KCI등재

        임신 6개월의 흔적자궁 자연파열의 1례

        이병진(BC Lee),송시재(SC Song),강영기(YK Kang),황선주(SC Hwang),신상훈(SH Shin) 대한산부인과학회 1970 Obstetrics & Gynecology Science Vol.13 No.8

        A case of spontaneous rupture of a 6-months pregnant rudimentary uterine horn is reported. The diagnosis was confirmed at laparotomy and a brief review of the literature on the congenital uterine anomaly is made.

      • KCI등재

        임신가토자궁의 혈류량 및 탄수화물대사

        안방주(BC Ahn) 대한산부인과학회 1967 Obstetrics & Gynecology Science Vol.10 No.7

        Fourteen pregnant rabbits, ranging from 15 to 28 days in gestational period, were used in this experiments. The estimation of blood flow rate to the uterus was carried out by diffusion equilibrium method using antipyrine as an indicator substance. Meanwhile, the consumption rate of oxygen and glucose as well as the appearance rate of lactate and pyruvate were calculated from the blood flow rates and concentration differences between carotid artery and uterine vein. The data obtained were analysed according to the total uterine weight in order to observe any changes in the uterine blood flow and the carbolydrate metabolism at various gestational period. Results obtained were as follows: 1. The rate of uterine blood flow was high in low uterine weight and leveled off to plateau value of 15.8 cc/min./100 gm. in the uterine weight of more than 100gm., whereas the total uterine blood flow was increased persistently with the gain in uterine weight.(r=0.9374). However, the rate of increase in the total uterine blood flow was less than that of uterine weight. 5 times ncrease in uterine weight accompained 2.3 times increase in the total uterine blood flow. 2. Arterio-venous difference of oxygen content was relatively constant irrespective of uterine weight and showed the mean value of 5.7 volume %. Oxygen consumption rate was initially high at low uterine weight and droped to the minimum plateau value ranging from 15.2 to 0.71 cc/min.100gm. as in the rates of uterine blood flow. On the other hand, the total oxygen consumption rate was increased steadily with the increase in uterine weight.(r=0.8638). However, the rate of increase in oxygen consumption was less than that of uterine weight.5 time increase in uterine weight accompanied 3,1 times increase in total o2 consumption rate. 3. The glucose consumption rate was high in low uterine weight but leveled off to minimum plateau value(maximum 8.6, minimum 3.6 mg/min/100 gm) as in the blood flow rate and o2 consumption rate, whereas total glucose consumption was increased steadily with the increase in uterine weight.(r=0.948). The rate of increase in total glucose consumption was less than that of uterine weight, showing 3,7 times increase in the consumption for 5 times increase in uterine weight. 4. Lactate appearance rate per unit weight of uterus did not show significant difference at various gestational period and averaged 2.1 mg/min/100gm., ranging from 1.3 to 2.8 mg/min/100gm. Ac- cordingly the total lactate appearance was proportional to the increase in uterine weight.(r=0.953). 5. Pyruvate apperance rate showed high value in the low uterine weight and decreased promptly as the uterus gain its weight. with the findings that the rates of increase in total uterine blood flow and total consumption rate of oxygen and glucose were less than that of uterine weight, whereas the rates of increase in the total lactate appearance was similar with that of uterine weight, it is speculated that the carbohydrate metabolism in the pregnant uterus tends to be more anaerobic as gestational period proceed.

      • KCI등재

        임신초기 부인의 양측 난소적출후 병발된 임신 중기 자궁내 태아 사망의 1예

        안방주(BC Ahn),박성기(SK Park),백운송(US Paik),신면우(MW Shin) 대한산부인과학회 1963 Obstetrics & Gynecology Science Vol.6 No.7

        It is difficult sometimes to determine the cause of F.D.I.U. in mid-pregnancy. A case F.D.I.U. in the 7 th month of pregnancy, whose both ovaries were removed in the 2 nd month of pregnancy because of bilateral ovarian cysts is presented. A brief review on the literatures is made in viewpoint of hormonal balance in pregnancy. IUFD, FDIU...

      • KCI등재

        절박유산 환자에서 hCG의 외부투여가 내인성 스테로이드 호르몬 값에 미치는 영향

        강병철(BC Kang),박병호(BH Park),김기원(KW Kim),이진우(JW Lee),김창이(CY Kim) 대한산부인과학회 1981 Obstetrics & Gynecology Science Vol.24 No.11

        1. 임신 제 6-10주의 고위험 절박유산 20예중 정상임신으로 이행한 12예에 있어서의 혈정 estradiol-17B의 hCG투여전 기초수준은 1143.3±455.67 pg/ml이었으며 최초의 hCG 5000 I.U 투여후 1시간에 1996.2±724.01 pg/ml로 증가하였으며 이는 기초수준의 187.1±61.84%에 해 당하였다. 2. 이들 12예에 있어서 최초의 hCG투여후 제 5 및 제10일의 혈중 estradiol-17B는 각각 1440.3±571.22 pg/ml 및 1793.0±512.6pg/ml로 증가하여 각각 기초수준의 132.9±41.22% 및 172.9±57.63%에 해당하였다. 3. 이들 12예에 있어서 혈중 progesterone의 hCG투여전 기초수준은 38.9+-20.58 ng/ml이었으 며 최초의 hCG투여후 1, 2 및 3시간에는 유의한 증가를 볼 수 없었다. 4. 이들 12예에 있어서 최초의 hCG투여후 제 5일 및 제 10일의 혈중 progesterone은 각각 49.0±17.31 ng/ml 및 61.6±20.31 ng/ml로 증가하여 각각 기초수준의 142.5±44.63% 및 182.5±68.08%에 해당하였다. 5. 임신 제 11-15 및 16-20주에 잇어서는 임신주수가 증가하고 투여전 기초수준이 높아질수 록 최초의 hCG투여후 1,2 및 3시간과 제 5, 제 10일의 혈정 estradiol-17B 및 progesterone 의 증가폭은 점점 감소하여 통계적 의의를 상실하였다. 이상의 관찰로 보아 절박유산환자에서 투여한 hCG에 대하여 estrogen은 민감한 반응을 즉 시 보이나 progesterone은 서서히 반응하여 이는 주로 초기 임신에서 더 현저하고 임신주수 가 증가할수록 미약한 반응을 나타냄을 측정할 수 있었다. 1. Serum estradiol-17B responsed immediatly to the administered hCG ; basal value of 1143±455.67 pg/ml increased to 1996.2±724.01 pg/ml corresponding to 187.1±61.84% of basal level 1 hour after first administraion of hCG in the group of 6-10 weeks gestation 2. The level of serum estradiol-17B on the 5 and 10 days after first administraion increased from the basal level to 1440.3±571.22 pg/ml and 1793.0+-512.6 pg/ml corresponding to 132.9±41.22% and 172.9±57.63% of basal value respectively. 3. Serum progesterone did not revealed such as early response 1 hour after administration of hCG as estradiol-17B and no significant increase was noted even 3 hours after the first administration of hCG. 4. The level of serum progesterone on the 5 and 10 days after the first administration of hCG increased from the basal value of 38.9+-20.58 , to 49.0±17.31ng/ml and 61.6±20.31 ng/ml corresponding to 142.5±44.63% and 182.5+-68.08% of basal value respectively. 5. Both early response at 1 hour and late response on 5 and 10 days after first administration of hCG become gradually neligable according to the increase of gestational weeks, the groups of 11-15 and 16-19 weeks gestation and basal hormonal levels.

      • KCI등재

        폐경기 여성에서의 증상, 지질변화 및 호르몬 변화에 대한 연구

        김병창(BC Kim),김동호(DH Kim),허민(M Hur) 대한산부인과학회 1988 Obstetrics & Gynecology Science Vol.31 No.6

        자연폐경군 여성 49예, 인공폐경군 여성 47예를 대상으로하여 폐경에 따른 증상, 지질 및 호 르몬 변화에 대하여 관찰한 바, 다음과 같은 결론을 얻었다. 1. 자연폐경군의 평균 페경연령은 48.8세, 인공폐경군은 46.7세였다. 2. 폐경증상은 크게 비뇨생식기와 비뇨생식기의 증상으로 대별하여 조사하였고, 양 증상 모 두 증상이 없는 경우가 자연 및 인공폐경군에서 가장 많았다. 비뇨생식기 증상이 있는 경우 는 양군 모두 질 감염, 질위축, 빈뇨 및 절박뇨의 순이엇고, 비뇨생식기의 증상은 근골격계, 혈관운동계 증상의 순이었으며, 성적, 및 정서적 증상의 빈도는 양군 모두 매우 낮았다. 3. 혈중 지질대사의 변화는 자연 및 인공폐경군 모두에서 triglyceride와 총콜레스테롤 만이 정상대조군과 비교하여 유의하게 증가하였고, 총지질, 인지질, HDL 및 LDL은 통계적으로 유 의한 감소 및 증가가 없었다. 4. 혈중 estradiol 치는 자연 및 인공 폐경군 모두에서 정상대조군과 비교하여 상당히 유의하 게 감소되어 나타났고, 자연폐경 1년후에 인공폐경군에서는 수술후 2년에 가장 적게 감소하 였고, 이후 점차 감소하는 경향을 띠었다. 5. 폐경증사의 유,무와 혈중 FSH 및 estradiol 치와는 큰 상호관계가 없었다. In the menopause the ovarian funciton is declined because of decrease in oocytes and defective synthesis of steroid hormonse. Hence there is low estrogen production, various symptoms and signs of postmenopausal syndrome may be gradually developed. And as the woman is reached to menopause, there is increased incindence of coronary heart disease due to change in serum lipid levels . So, the authors has studied for the analysis of the symptoms and signs, changes of the serum lipid and hormonal changes. These present data were derived from analysis has surveyed by interviewing and questionaires for the postmenopausal women of 49 natural and 47 artifical menopausal cases during 1 1/2 years from 1986 to 1988. The result af follows; 1. In natural menopausal population the mean menopausal age is 48.8 yrs and in artificial group , 46.7 yrs. 2. Of the both group menopausal women who complained extraurogenital symptoms , asymptomatic patients were most common and remainder were composed of in order of musculoskeletal vasomotor, sexual and emotional symptoms. The pregnancy of emotional and sexual symptom were very low in both group . Of the both group of menopausal women who complained the urogenital symptoms, asymtomatic patients were most common and the remainder were composed of in order of vaginal infection, vaginal atrophy, frequency and urgency. 3. The lipid change in both menopausal group comparing with those of premonopausal controls; 4. The serum estradiol concentration of both group was significantly decreased than that of controls. That was decreased easily at 1 year after menopause in natural group and at 2nd postoperative year in artificial group and tended to be decreased gradually year after year 5. The serum FSH concentration of both group was very significantly increased than that of controls.

      • KCI등재

        신생아둔부 기형종의 1예

        이병채(BC Lee),김동성(DS Kim),권병일(BI Kwon) 대한산부인과학회 1964 Obstetrics & Gynecology Science Vol.7 No.1

        1. 재탈 40주의 여성 신생아둔부기형종의 1예를 조직학적 검색과 아울러 보고함. 2. 종양에 의하여 분만장애를 가져와 술자의 강력견인과 종유의 파열로서 태아만출을 완료하였다. 3. 분만장애로 분만제2기가 약 9시간이나 경과하였으나 인접장기의 손상은 없었으며 아무런 후유증이 없었다. A case of teratoma on gluteal region of female infant is reported, and a brief review on the literature is made.

      • 가상사격시스템 훈련자의 피격 위치 가시화 연구

        김병찬(BC Kim),김해나(HN Kim),장윤화(YH Jang),박영규(Youster Park),김세목(SM Kim) 한국통신학회 2022 한국통신학회 학술대회논문집 Vol.2022 No.2

        본 논문에서는 가상의 적이 발포함으로써 나타나는 훈련자의 피격 위치를 인지할 수 있는 피복(조끼)를 개발하고, 피탄 인지 조끼를 시뮬레이터 하는 윈도우프로그램(MFC, Microsoft Foundation Class)의 제어 정보를 토대로 취득된 훈련자의 피격 위치를 웹을 통해 시각화로 구현하였다. 이러한 시스템은 실전과 같은 훈련의 긴장감을 조성하고, 훈련자의 피해 위치와 피해 정도를 구체적으로 나타냄으로써 가상사격훈련의 효과를 극대화 할 수 있을 것이다.

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