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朴勝信 고려대학교 의과대학 1976 고려대 의대 잡지 Vol.13 No.1
This clinico-pathological observation on the uterine myoma was based upon 133 cases in the 993 cases of gynecological major operation in the Dept. of Obstetrics and Gynecology, Woo Sok Hospital, College of Medicine, Korea University from the beginning of 1970 to the end of 1974. Results were as follows: 1. Myoma was noted in 13.4% of the total cases of major gynecological operation. 2. The mean age was 44.3 years and the most frequent age was 41-50 years group. Only 3 cases encountered before the age of 30 years. 3. The average age of menarche was 16.2 years. 4. Myoma was the most common in the corpus uteri (86%), and least common in the cervix (10.5%). Intramural type was the most common type of myoma (33.8%), subserous myomas were 30.8% mixed forms were 19.5% and submucous myomas were 15%. 5. Pain in the pelvic region or lower abdomen was the most frequent complaint (58.6%), and the next were abnormal uterine bleeding (40.6%) and palpable mass (54.1%). The submucous and the intramural type of myoma were more common types in the patients with menorrhagia and irregular bleeding, whereas subserous type was the predominent type in dysmenorrhea and pelvic heaviness. 6. hfertility was observed in 47.7% of total cases (primary infertility; 43.5% and secondary infertility; 56.5%) with the highest infertility rate in subserous type. 7. The average hemoglobin value was 10.26gm/㎗ and among those cases 2.2% had severe anemia (less than 6 gm%). 8. The most common associated conditions in myoma were adnexal changes (34%) including ovarian cyst, tumor and P. I. D. 9. The most frequent secondary changes in myoma was hyaline degeneration (10%). No any sarcomatous change had been noticed. 10. The method of treatment was surgical, ie, abdominal hysterectomy (83.4%), vaginal hysterectomy (13.5%), myomectomy (1.5%) and subtotal hysterectomy (1.5%). No operative motality was observed. 11. The postoperative complications were noted as urinary tract infection (6.7%), wound infection (4.5%) and respiratory tract infection (1.5%).
卵胞호르몬과 Prostaglandin F_(2α)가 家兎子宮 및 골격근의 Catecholamine 含量에 미치는 影響에 對한 實驗的 硏究
朴勝信,李壽鍾 고려대학교 의과대학 1979 고려대 의대 잡지 Vol.16 No.1
This experimental study was conducted, so as to determine the effects of prostaglandin F₂α on the catecholamine contents in the uterine and skeletal muscle of mature female albino rabbits weighing approximately 2.0 ㎏. Group Ⅰ was normal control group. Group Ⅱ was treated with 100 mcg/㎏ of prostaglandin F₂α. Grouup Ⅲ was preconditioned with 5000 units/㎏ of estrogen and treated with 100 mcg/㎏ of prostaglandin F₂α. Catecholamine content was determined by Shore and Olin method. The results were as follow; 1. The catecholamine content in the normal uterine tissue was 0.33±0.06 mcg/gm (M±S.D.), while that of skeletal muscle tissue was 0.05±0.01 mcg/gm (M±S.D.). The catecholamine content in the uterine tissue was higher than skeletal muscle tissue. 2. In the prostaglandin F₂α treated group, the catecholamine content in the uterine tissue was 1.26±0.54 mcg/gm (M±S.D.), while that in the skeletal muscle tissue was 0.08±0.01 mcg/gm (M±S.D.). The catecholamine content in the uterine and skeletal muscle tissue were significantly increased by administration of prostaglandin F₂α. 3. In the estrogen preconditioned prostaglandin F₂α treated group, the catecholamine content in the uterine tissue was 0.32±0.12mcg/gm (M±S.D.), while that in the skeletal muscle tissue was 0.04±0.02 mcg/gm (M±S.D.). This series was similar to findings of the control group as far as the catecholamine content in both uterine and skeletal muscle tissue were concerned. 4. The catecholamine content in the uterine tissue was markedly increased in the prostaglandin F₂α treated group, whereas there was no change in the estrogen preconditioned prostaglandin F₂α treated group. 5. The catecholamine content in the skeletal muscle tissue showed a marked increase in the prostaglandin F₂α treated group, in contrast to decrease in the estrogen preconditioned prostaglandin F₂α treated group.
Gas flow rate에 따른 p-layer의 특성변화가 태양전지 DIV 곡선에 미치는 영향 분석
박승만(S.M. Park),이영석(Y.S. Lee),이범상(B.S. Lee),이돈희(D.H. Lee),이준신(J.S. Yi) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.4
박막태양전지에서 빛을 처음 받아들이는 p-layer는 전체적인 태양전지 특성에 큰 영향을 준다. 본 논문에서는 p-layer의 gas flow rate를 가변하여 증착한 P-I-N cell을 통해 DIV를 측정하고 분석하였다. 더불어 gas flow rate에 따른 p-layer의 특성변화를 토대로 시뮬레이션을 진행하여 실제 소자와 비교하여 보았다. simulation data와 experimental data를 비교해보면 전체적으로 유사한 경향성올 보이며 saturation current는 큰 차이를 보이지 않았으나 ideality factor와 series resistance에서 real device가 비교적 큰 값을 나타내는 것을 볼 수 있었다. 본 연구는 simulation data를 기반으로 real device를 제작하는데 큰 도움이 될 것이다.
멀티빔 센서를 이용한 사이드 스캔 소나 개발에 관한 연구
장유신(Y.S. Chang),계중읍(J.E. Keh),구융서(Y.S. Koo),박승수(S.S. Park),김지한(J.H. Kim),이만형(M.H. Lee) 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월
A side scan sonar system uses the towfish installed sonars, it is an equipment that search images of the bottom surface of the sea in real time. It is a typical equipment that is related to a sea investigation such as a geological survey, seabed communication cable and power line cable placing repair investigation, fish breeding ground investigation, sea purification, relic and mineral investigation, and mine and submarine search. It used to find objects and investigate on the seabed surface. But, recently, it is used to sea purification and geological survey that require information of the correct surface of the seabed. So, it needs various filtering technique and image processing techniques development to acquire high resolution image. Therefore, this research develops a side scan sonar using multi-beam sensors that supply various information with the fast scan speed and correct high resolution that is not a simple underwater investigation equipment.