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이상현 ( Sang Hyun Lee ),최장열 ( Jang Yeul Choi ),송정인 ( Jung In Song ),차용원 ( Yong Won Cha ),이광범 ( Kwang Beum Lee ),이종민 ( Jong Min Lee ),윤성준 ( Sung Jun Yoon ),김석영 ( Suk Young Kim ),이순표 ( Soon Pyo Lee ),이지성 대한산부인과학회 2005 Obstetrics & Gynecology Science Vol.48 No.3
목적: 진행된 부인암 환자들에서 optimal 종양감축술을 시행한 군과 suboptimal 종양감축술을 시행한 군간의 효율 (efficacy)과 이환율 (morbidity)을 비교하고, optimal 종양감축술 시행에 제한적인 요소들을 알아보고자 하였다. 연구 방법: 1998년부터 2003년까지 가천의대 길병원 산부인과에서 32명의 난소암환자, 4명의 난관암환자, 3명의 원발성 복막암 환자에서 종양감축술을 시행하였다. 이들 중 38명은 FIGO Stag Objective: The aims of this study were to compare the efficacy and morbidity of optimal debulking operation with those of suboptimal operation for patients with advanced gynecologic malignancies and to establish the precluding factors for performing the o
NASICON 고체 전해질을 사용한 SOx 가스 감지센서
최순돈,이광범 ( Soon Don Choi,Kwang Beum Lee ) 한국센서학회 1996 센서학회지 Vol.5 No.4
A SOx sensor using NASICON electrolyte was developed for monitoring of air pollution. The following galvanic cell with Na₂SiO₃(Pt) reference electrode was assembled (수식) Na₂SiO₃ was used as an indicator electrode to protect NASICON electrolytes from chemical reaction with SO₂. The EMFs were measured after injecting SO₂ in the initial concentrations range of 5∼5 ppm at 400∼550℃. The measured and calculated potentials were in good agreement above 500℃. However, the cells were unstable below 500℃, most likely due to incomplete attainment of chemical equilibrium. Response time was within 10 min. Based on the stability and response time of this cell, the NASICON solid electrolyte with Na₂SiO₃(Pt) as the reference electrode and Na₂SO₃ (Pt)as the indicator electrode showed the possibility of a reliable, inexpensive commercial solid-state SO_x sensor.