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조경재(K.J.Cho),이정일(J.I.Lee),윤석암(S.A.Yoon),차인수(I.S.Cha),이권현(K.H.Lee) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(1)
In this paper, systematization design method by analogical interpretation which is profitable In the compatability and standardization of developed products and is useful of reducing construction time and price was introduced<br/> Systematization design based on analogical interpretation is a method which systematizes each characteristic with mathematical description 10 order to make variable design parameters correspond with the terms desired<br/> In this paper, after choosing a differential transformer as the sample for design components each characteristic was expressed mathematically by analogical interpretation and miniaturized ones were manufactured by similarity factors<br/> The relationship between input voltages of an actual differential transformer and the model and output voltages occurred by the change of the displacements In operational axis was shown
조태호,이권해,남계현,이정재,이해혁 순천향대학교 1990 논문집 Vol.13 No.1
순천향대학병원 산부인과에서 1974년부터 1988년까지 경험한 임신중 난소종양 54예에 대한 임상적병리학적 고찰을 하여 다음과 같은 결과를 얻었다. 1. 임신중 난소종양의 빈도는 같은 기간의 총분만수에 대해 1 : 391.9였고 전부 양성종양이었다. 2. 임신중 난소종양의 연령분포는 20∼42세였고 평균연령은 26.9세였다. 3. 출산력은 평균 분만횟수가 0.99회이고 75.9%에서 0∼1회의 분만횟수를 갖고 있었다. 4. 난소종양의 초진시 주소, 증상및 증후로는 하복통이 19예(35.2%)로 제일 많았으며, 질점상출혈과 성기출혈이 4예(7.4%), 종양촉진이 14예(25.9%)등이었다. 증상및 증후가 없었던 17예(31.5%)는 산전관리시 진단되었다. 5. 종양의 진단시기는 임신초기에 31예(57.4%), 임신중기에 16예(29.6%), 말기에 7예(13%)이었다. 6. 난소종양의 병리조직학적 소견에서 양성기형종이 19예(35.2%)로 제일 많았으며, 장액성낭선종이 6예(11.1%), 점액성낭선종과 단순낭종이 각 4예(7.4%)였으며 병리학적 결과를 알 수 없는 경우도 4예가 없었다. 7. 종양의 크기를 보면 직경 6cm미만이 17예 6∼10.9cm가 30예로 대부분을 차지하였으며 11∼14.9cm이 7예였다. 8. 임신초기에 합병증으로 수술한 12예중 9예는 염전으로 인해 수술을 시행하였다. 9. 난소종양의 발생부위는 좌측이 많아 31예(57.4%), 우측이 18예(33.3%)였으며 5예(9.3%에서 양측성이었다. 10. 수술방법은 보존적 낭종절제술, 난소절제술, 난소난관절제술등을 시행하였으며, 보조적 요법으로는 안정및 황체호르몬, 아편팅크, 완화제 등을 투여하였다. 11. 임신의 경과를 보면 만기분만 17예중 정상분만이 7예 제왕절개가 10예였고 수술후 자연 유산된 경우는 3예였다. Clinical and pathologic review of ovarian tumors in pregnancy was presented. During the 15 years from 1974 to 1988 there were 54 patients at the Department of Obstetrics and Gynecology, Soonchunhyang University Hospital. The result obtained follows: 1) The incidence of tumors in pregancy was 1 in 391.9 pregnancies and they were all benign. 2) Mean age was 26.9 years old and the range was 20∼42 years old. 3) Mean parity was 0.99. 4) As to the initial chief complaints or the mode of presentation, low abdominal pain was found in 19 cases(35.2%), vaginal spotting or bleeding in 4 cases(7.4%), palpable mass in 14 cases(25.9%). In the 17 cases(31.5%), free of symptoms or signs were detacted at antenatal care. 5) 31 cases(57.4%) were operated in first trimester, 16 cases(29.6%) in the second trimester, 7 cases(13%) in the third trimester. 6) Histopathology of those cases were benign cystic teratoma in 19 cases(35.2%), serous cystadenoma in 6 cases(11.1%), simple cyst in 4 cases(7.4%), mucinous cystadenoma in 4 cases(7.4%). 7) Size of tumor was under 6cm in 17 cases, 6∼10.9cm in 30 cases, 11∼14.9cm in 7 cases. 8) Complications of tumor were occurred in 12 cases, being 9 cases of torsion, 3 cases of rupture. 9) The left side tumor was more common being 31 cases(57.4%), and the right was 18 cases(33.3%) and 5 cases(9.3%) of tumor were bilateral. 10) Treatment was surgical being conservative cystectomy, salpingoophorectomy, adjuvant treatment were bed rest and administration of opium tincture, petrolatum and progesterone injection during the hospital day. 11) Outcome of pregnancy and mode of delivery; Spontaneous abortion occurred in 3 cases, full term delivery was noted in 17 cases, and Cesarean section in 10 cases.