연구발표논문초록 ( 에너지 · 환경 (Ⅱ) ) : 탄산염을 이용한 잠열 축열장치에서 열전달 현상에 관한 연구

신병철(Byung Chul Shin),김상돈(Sang Done Kim),박원훈(Won Hoon Park) 한국화학공학회 1988 춘계학술발표회 Vol.- No.-

본초 중량비를 이용한 부산대학교 한방병원의 첩약 사용 빈도 분석(2) - 방제 교재 수록 처방을 중심으로 -

신병철,이병욱,Shin, Byung-chul,Lee, Byung-wook 대한한의학방제학회 2015 大韓韓醫學方劑學會誌 Vol.23 No.1

Objectives : This Study aims to extract the actual prescriptions used frequently in the clinical settings and the frequently used prescription list of textbook on herbal formulae by comparing the prescriptions recorded in the textbook on herbal formulae, and to examine the range of the efficacies of the corresponding prescription on the basis of the records of the Electronic Medical Record (EMR). Methods : By making comparison of the herb weight ratios of the prescriptions recorded in the textbook on herbal formulae with those recorded in EMR, the frequency is measured on the basis of the textbook on herbal formulae prescription and the frequency indication is computed for the clinical prescriptions with lower level of differences. Results & Conclusions : On the basis of the details of the clinical prescriptions used at the P Hospital, Yugmijihwang-tang, Samlyeongbaegchul-san, Jugyeobseoggo-tang, Maegmundong-tang, Olyeong-san and Baegho-tang, among the similar prescriptions for which the title prescriptions of the textbook on herbal formulae and the herbal composition coincide by more than 80%, are not included in the list of prescriptions covered under the national health insurance system even though they are frequently used prescriptions.

시공간 데이터베이스에서 선택도 추정 연구

신병철 ( Byung-chul Shin ),김차돌 ( Cha-dol Kim ),이종연 ( Jong-yun Lee ) 한국정보처리학회 2004 한국정보처리학회 학술대회논문집 Vol.11 No.2

최근 시공간 데이터에 대한 관심이 늘어나면서 시간에 따라 이동하는 객체에 대한 처리와 이력 공간 정보를 처리하는 영역에 대한 연구가 활발하게 일어나고 있다. 이러한 시공간 데이터베이스에서의 효과적인 질의 처리를 위해 선택도 추정 기술의 요구가 생겨났다. 본 논문에서는 이력 공간 정보에 대한 선택도 추정을 위하여 T-Minskew 히스토그램을 구축하고 이를 이용하여 선택도 추정 방법을 제시한다. 또한 임계치 기법을 이용한 효과적인 히스토그램 유지 기법을 제시한다.

에너지 회생 방식 스너버 회로를 갖는 3상 GTO PWM 인버터

신병철(Shin-byung chul),강경호(Kang-kyung ho),차재현(Cha-jae hyun),차득근(Cha-duk guen),김명현(Kim-myung hyun) 전력전자학회 1998 전력전자학술대회 논문집 Vol.- No.-

This paper is proposed three phase GTO PWM Inverter with energy recovery snubber circuit. The proposed energy recovery snubber circuit is effective in reduction of the power loss in the Inverter system than asymmetry GTO snubber circuit.<br/> <br/>

저소음 고효율 조류발전용 친환경 HAT 임펠러 연구

신병철(Byung-Chul Shin),김문찬(Moon-Chan Kim),이주현(Ju-Hyun Lee),이신형(Shin-Hyung Rhee),현범수(Beom-Soo Hyun),남종호(Jong-Ho Nam) 한국해양환경·에너지학회 2010 한국해양환경공학회 학술대회논문집 Vol.2010 No.6

비인두암의 방사선치료 결과

신병철(Byung Chul Shin),마선영(Sun Young Ma),문창우(Chang Woo Moon),염하용(Ha Yong Yum),정태식(Tae Sig Jeung),유명진(Myung Jin Yoo) 대한방사선종양학회 1995 Radiation Oncology Journal Vol.13 No.3

Purpose : The aim of this study was to assess the effectiveness, survival rate and complication of radiation therapy in nasopharyngeal cancer. Materials and Methods : From January 1980 to May 1989. Fifty patients who had nasoparyngeal carcinoma treated with curative radiation therapy at Kosin Medical Center were retrospectively studied. Thirty seven patients (74%) were treated with radiation therapy alone(Group Ⅰ) and 13 patients (26%) treated with combination chemotherapy and radiation(Group Ⅱ). Age distribution was 16-75 years (median: 45.8 years). In histologic type, squamous cell carcinoma was in 30 patients(60%), undifferentiated carcinoma in 17 patients(34%), and lymphoepithelioma in 3 patients(6%). According to AJCC staging system, 4 patients(8%) were in T₁, 13 patients (26%) in T₂. 20 patients (40%) in T₃, 13 patients(26%) in T₄ and 7 patients (14%) in T?, 6 patients (12%) in N₁, 23 patients (46%) in N₂, 13 patients (28%) in N₃. Total radiation dose ranges were 5250-9200cGy(median: 7355cGy) in Group Ⅰ and 5360-8400cGy(median:6758Cgy) in Group Ⅱ. Radiotherapy on 4-6MV linear accelerator and/or 6-12MeV electron in boost radiation was given with conventional technique to 26 patients (52%), with hyperfractionation(115-120cGy/fr., 2times/day) to 16 patients (32%), with accelerated fractionation(160cGy/fr., 2times/day) to 8 patients(16%). In chemotherapy. 5 FU 1000mg daily for 5 consecutive days, pepleomycin 10mg on days 1 and 3, and cisplatin 100mg on day 1 were administered with 3weeks interval, total 1 to 3 cycles(average 1.8 cycles) prior to radiation therapy. Follow up duration was 6-140 months(mean: 58 months). Statistics was calculated with with Chi-square and Fisher's exact test. Results : complete local control rates in Group Ⅰ and Ⅱ were 75.7%, 69.2%, Overall 5 year survival rates in Group Ⅰ and Ⅱ were 56.8%, 30.8%. Five year survival rates by histologic type in Group Ⅰand Ⅱ were 52.2%, 14.3% in squamous cell carcinoma and 54.5%, 50% in undifferentiated carcinoma. Survival rates in Group Ⅰ were superior to those of Group Ⅱ though there were not statistically significant. In both group, survival rates seem to be increased according to increasing total dose of radiation up to 7500cGy, but not increased beyond it. There were not statistically significant differences in survival rates by age, stage, and radiation techniques in both group. Twenty four patients(48%) expericenced treatment failures. Complications were found in 12 patients(24%). The most common one was osteomyelitis(4 patients, 33.3%) involving mandible (3 patients) and maxilla(1 patient). Conclusion : Chemotherapy in combination with radiotherapy was found to be not effective to nasopharyngeal cancer and the survival rate was also inferior to that of radiation alone group though it was statistically not significant due to small population in chemotherapy combined group.

하인두암의 방사선치료

신병철(Byung Chul Shin),염하용(Ha Yong Yum),문창우(Chang Woo Moon),정태식(Tae Sik Jeong) 대한방사선종양학회 2002 Radiation Oncology Journal Vol.20 No.3

목적 : 하인두암 환자에서 방사선단독치료와 항암화학요법 병용치료시의 반응과 생존율, 그리고 합병증에 영향을 미치는 요소를 알아보고자 하였다. 대상 및 방법 : 1984년 1월부터 1999년 12월까지 고신대학교 복음병원 치료방사선과에서 치료를 받았던 환자 중 근치적 목적으로 방사선치료 단독 또는 항암화학요법과 병용치료를 받았던 56명을 대상으로 후향적 조사를 하였다. 방사선 단독치료(Group I)가 24명(42.9%), 항암화학방사선치료(Group II)가 32명(57.1%)이었다. 방사선치료는 정규분할 조사법으로 9명(16.4%), 과분할조사로 분할선량이 1.15~1.2 Gy인 경우가 26명(47.2%), 1.35 Gy인 경우가 18명(32.7%), 가속과분할조사로 2명(3.6%)이 치료받았으며 총 방사선량은 40.5~83.5 Gy (평균선량 68.3 Gy)이었다. 항암화학요법은 cisplatin 100 mg/㎡을 day 1에, 5-FU 1,000 mg/㎡를 day 2~6에 방사선치료에 선행해서 사용하였으며 3주 간격으로 시행하였고 환자에 따라 1회에서 3회까지 시행하였다(평균 2.3회). 추적관찰기간은 1개월에서 195개월 이었고 중앙값은 28개월이었다. 결과 : 전체 대상 환자들의 3년 및 5년 생존율은 40.6%, 27.6%였고, Group I은 50.0%, 30.0%, II는 36.4%, 26.3%였다. 국소제어율은 Group I에서 완전관해율이 70.0%, Group II에서는 완전관해율이 67.7%였다. 생존율에 영향을 미치는 예후인자로는 방사선치료에 대한 반응과 림프절 병기로 나타났다. 항암화학요법을 병용한 군에서 합병증 발생율이 높았으나 다분할 조사군에서는 정규분할조사군보다 적게 나타났다. 결론 : 하인두암의 방사선치료 결과는 방사선치료에 대한 반응과 경부 림프절 병기에 따라 좌우되었다. Cisplatin, 5-FU를 방사선치료 전 선행하여 1~3회 사용하는 것은 하인두암의 국소제어율과 생존율에 가치가 없는 것으로 증명되었으며 오히려 합병증을 높이는 것으로 판명되었다. 다분할 방사선치료는 후기 합병증을 저하시키는 것으로 판명되었다. Purpose : The aim of this study was to assess the effectiveness, survival rate and complications of radiation therapy and chemoradiation treatment in hypopharyngeal cancer. Methods and Materials : From January 1984 to December 1999, 56 patients who had hypopharyngeal carcinoma treated with curative radiation therapy were retrospectively studied. Twenty four patients (42.9%) were treated with radiation therapy alone (Group I) and 32 (57.1%) treated with a combination of chemotherapy and radiation (Group II). Total radiation dose ranged from 40.5 to 83. 5 Gy (median 67.9 Gy). Radiotherapy was given with conventional technique in 9 patients (16.4%), with hyperfractionation I (1.15~1.2 Gy/fr., BID) in 26 (47.2%), hyperfractionation II (1.35 Gy/fr., BID) in 18 (32.7%), and accelerated fractionation (1.6 Gy/fr., BID) in 2 (3.6%). In chemotherapy, 5-FU (1,000 mg/㎡ daily for 5 consecutive days) and cisplatin (100 mg/㎡ on day 1) were administered in a cycle of 3 weeks interval, and a total of 1 to 3 cycles (average 2..3 cycles) were given prior to radiation therapy. Follow up duration was 1~195 months (median 28 months). Results : Overall 2 and 5 year survival rates were 40.6% and 27.6% 50.0% and 30.0% in Group I, and 36.4% and 26.3% in Group II, respectively. Complete local control rates in Group I and II were 70.0% and 67.7%, respectively. The response to radiotherapy and nodal stage were statistically significant prognostic factors. The complication rate was increased in Group II and was decreased in hyperfractionation. Conclusion : The response to radiotherapy and nodal stage were valid factors to indicate the degree of control over the hypopharyngeal cancer. The induction cisplatin, 5-Fu chemotherapy was not valid in terms of local control rate and survival rate, but did contribute to an increased complication rate. The use of hyperfractionation was valid to reduce the late radiation complications.

한국원자력연구시설을 이용한 방사선학과 대학생 인력양성

신병철(Byung-Chul Shin) 대한방사선과학회(구 대한방사선기술학회) 2017 방사선기술과학 Vol.40 No.3

본 연구는 연구용원자로(하나로)와 국가방사선연구시설을 이용한 전문교육과정을 개발·운영함으로써 방사선학 전공 대학생들에게 전문화된 교육 기회를 제공하고 현장적응 능력을 증진시킬 목적으로 수행되었다. 이를 위해 하나로와 국가방사선연구시설을 이용한 전문 교육과정을 개발하고 운영함으로써 대학생들에게 하나로 활용 기회를 제공하였고, 대학생을 대상으로 하는 방사선학과 실험·실습을 운영함으로써 차세대 전문가를 양성하였다. 방사선학과 대학생들에게 현장실험실습 기회를 제공함으로써 향후 방사선학 연구 분야의 잠재 이용자를 육성하여 방사선학 인력의 저변 확대를 하고자 하였다. 본 실험실습 과정을 위해 서술형 교재와 강의용 교재, 설문지를 개발하고 활용하였다. 2006년부터 2017년까지 방사선학과 대학생을 대상으로 운영된 실험실습교육과정에 714명이 수료하였다. 방사선학과 대학생들을 대상으로 개발 운영되는 교육과정은 하나로와 국가방사선연구시설의 이용을 더욱 활성화하여 궁극적으로 방사선 산업인력의 저변을 확대하고 올바른 정책 결정 및 기술기반을 확립하는 주요 자원이 될 것이며 방사선 분야의 활성화에도 기여하게 될 것이다. The purpose of present research is to offer a specialized educational opportunity for potential users, university students in radiology, by developing specific curriculum on site at KAERI, using HANARO re-search reactor and National radiation research facilities. The specific items of this research accomplished are: First, Development and operation of various curricula for specific research using HANARO and National radiation research facilities to provide university students with opportunities to use the facilities. Second, Operation of the experiment training programs for university students in radiology to foster next generation specialists. Third, through the on-site experiment training for students in radiology, support future potential experts of the radiation research fields, and broaden the base. A textbook and a teaching aid, a questionnaire have been developed to support the program. 714 university students have completed the courses for radiology experiment from 2006 to 2017. It is hoped that these experiments broaden public awareness and acceptance by the present and poten-tial future utilization of the research reactor and national radiation research facilities, thereby bring positive impacts to policy making.

메커니컬 실 제조공정에서 폐패널 실리콘 재활용의 전과정 평가

신병철 ( Byung-chul Shin ),장근용 ( Geun-yong Jang ),최준철 ( Joon-chul Choi ) 한국폐기물자원순환학회 2023 한국폐기물자원순환학회지 Vol.40 No.1

In this study, an environmental evaluation of a mechanical seal manufacturing process involving recycled silicon from end-of-life PV panels was conducted using the life cycle assessment (LCA) approach. The β-phase silicon carbide (β-SiC), which was synthesized from recycled silicon and carbon through a direct carbonization method, exhibited a high crystallite size range of 18 ~ 21 μm and purity of 99.9%, suggesting its suitability as a raw material for the manufacture of mechanical seals. The wet method of fine grinding and mixing of raw materials was improved to a dry method without using a solvent. Global warming emissions and photochemical oxidants were decreased from 40 to 27.6 kg-CO₂/kg-SiC and 2.23 to 0.124 kg-C₂H₄/kg-SiC, corresponding to decreasing rates of 31.1 and 94.5%, respectively, following the mixing of ground SiC with carbon (C) and the improvement of β-SiC granulation using a dry method. Whereas recycling Si of end-of-life PV panels reduced the resource depletion- and global warming-associated environmental impacts by 61.9 and 64.1%, respectively. On the other hand, weight analysis showed a reduction of the overall environmental impacts by 54.3%, while those related to resource depletion, global warming, and photochemical oxidant formation were reduced by 40.8, 35.7, and 19.4%, respectively, even though only the global warming potential (GWP) exhibited very high values in the characterization results. The obtained results demonstrated the contributions of electricity consumption during the β-SiC synthesis process and high-temperature calcination to global warming. Moreover, SiC chunk results in resource depletion and global warming, while hydrogen peroxide generates photochemical oxidants. The LCA analysis was useful in this study for quantitatively assessing the effects of the improved environmental impacts. Recycling SiC from end-of-life PV panels could be a valuable approach to ensuring sustainable development due to the low carbonization and clean manufacturing process.

조류발전용 팁 레이크 HAT 임펠러 성능 수치해석 연구

신병철(Byung-Chul Shin),김문찬(Moon-Chan Kim),도인록(In-Rok Do),이신형(Shin-Hyung Rhee),현범수(Beom-Soo Hyun),송무석(Mu-Seok Song) 한국해양환경·에너지학회 2010 한국해양환경·에너지학회지 Vol.13 No.4