http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Pulmonary Actinomycosis 의 1 치험례
곽동선,이성광,박동식 대한흉부심장혈관외과학회 1973 Journal of Chest Surgery (J Chest Surg) Vol.6 No.1
This is a report of pulmonary actinomycosis which has been treated with long chemotherapy under the misdiagnosis of pulmonary tuberculosis for 14 years and has finally diagnosed by the specimens of excised lung. Pulmonary actinomycosis is very few in recent report by the use of penicillin and sulfonamide, but for the difficult differential diagnosis with pulmonary tuberculosis and carcinoma, It is a choice of treatment for resect for the localized lesions.
곽동선,김의윤 대한흉부심장혈관외과학회 1969 Journal of Chest Surgery (J Chest Surg) Vol.2 No.1
A bronchial adenoma. being one of rare neoplastic diseases in children, was reported in a 4 year-old-male child. The tumor was located entirely intraluminal in the left main bronchus and was treated with left pneumonectomy because of the irreversible cystic changes were revealed throughout the left lung on open thoracotomy. The tumor was histologically confirmed to be a muco-epidermoid type of bronchial adenoma.
곽동선,이선미,정우진,서문희,박종연 한국모자보건학회 2009 한국모자보건학회지 Vol.13 No.2
Objective : The purpose of this study was to explore factors influencing induced abortions for pregnancies among married women. Methods : Data from the Korean National Fertility and Family Welfare Survey conducted in 2003 by the Korean Institute of Health and Social Affairs was used. Specially, female fertility history from 2001 to 2003 was served as the primary source of data for this study. During this period, there were 1,653 pregnancies in all, from this 1,415 pregnancies were selected for the final analysis excluding 238(14.4%) current pregnancies. Results : First, female education of at least a middle school level was the most significant factor in reducing the practice of induced abortion. Second, women living in urban areas had a significantly reduced practice of induced abortions. Third, there was a significant increase in induced abortions for pregnancies in families with two or more children, together with a significant decrease in these abortions among women with at least one son. Fourth, in pregnancies due to contraceptive failure there was a much higher likelihood of an induced abortion. Last, either women who wanted a son or those who had known through a physical examination that the sex of the unborn child was male were likely to have induced abortion. Conclusion : Korean women often turn to induced abortion to avoid unwanted pregnancies due to contraceptive failure and for sex-selection. It is necessary to provide the young couples with effective family planning services to reduce unwanted pregnancies and induced abortions.
공정 후 열처리가 인장 특성에 미치는 영향: 선택적 레이저 용융법으로 제작된 Ti6Al4V ELI 합금
김윤호,김영철,곽동선,홍민호 대한전기학회 2024 전기학회논문지 Vol.73 No.3
The Ti6Al4V ELI alloy manufactured using Selective Laser Melting (SLM) technology typically exhibits excellent tensile properties due to the rapid solidification during the laser process. However, it may suffer from low ductility and insufficient fatigue strength, which can introduce defects in the final product. This study aimed to investigate the influence of different heat treatment conditions on the mechanical properties of Ti6Al4V ELI alloy. EBSD analysis was conducted to analyze the tensile characteristics and microstructural differences of SLM-produced Ti6Al4V ELI alloy after various heat treatment conditions. The results showed that when the Ti6Al4V ELI alloy was heat-treated at 850°C, it exhibited superior tensile properties and ductility
항공산업중심 중소협력업체 품질역량 육성플랫폼 구축방안 연구
조인탁,조규련,곽동선 한국품질경영학회 2023 한국품질경영학회 학술대회 Vol.2023 No.0
최근 ESG경영이 전 산업에 걸쳐 확산 및 의무화되고 있고, 그 중 사회적 책임 관점에서 건전하고 지속가능한 공급망을 위한 협력업체의 역할과 상생의 중요성이 더욱 부각되고 있다. 항공산업의 경우에는 다품종소량생산이라는 특성으로 인해 공정분야는 많은데 비해 생산되는 품목수량이 적은 관계로, 규모가 작은 중소 협력업체에서는 수행 공정에 대한 체계적인 교육시스템을 갖추고 있지 않고, 장기근속인원도 많지 않아 역량부족에 의한 휴먼에러로 품질불량이 지속적으로 발생하고 있다. 본 연구 활동을 통해 협력업체의 역량을 체계적, 지속적으로 향상 및 관리할 수 있는 방안을 연구하고, 항공산업을 중심으로 협력업체 품질역량 육성 플랫폼 구축 방안을 제안하고자 한다. 연구를 위해 국내외 선진업체의 협력업체 관리현황을 조사하여 육성 및 관리 방향성을 모색하였으며, 협력업체의 취약역량을 발굴하여 집중적으로 육성하기 위한 진단방법을 제안하였다. 그리고 협력업체 육성을 체계적으로 추진하고 관리하기 위해 수립한 품질역량 육성플랫폼 및 적용사례를 소개한다.