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이구호 영남이공대학 1972 論文集 Vol.1 No.-
In order to examine the change of composition in the matrix of fire clay refractory during heating, the reaction between α-Al₂0₃ containing mullite particle and Na₂O·2SiO₂ glass was studied with varied temperatures from lhr. to 96hrs. Obtained results were as follows; 1) The dissolution process of mullite into glass is the first order reaction in the heating procedure of 3664 hrs and its activation energy was 50Kcal/ mole. In the case of longer heating time, diffusion rate of mullite particle into glass was saturated. 2) The content of α-Al₂O₃ in the particle increased slightly with the heating time. 3) In the process of reaction between mullite particle and Na₂O·2SiO₂ glass, both nephelite and carnegieite deposited. The amount of nephelite decreased with the rise of temperature, but that of carnegieite was affected by the amount of Na20.2SiO2 glass and heating temperature.
한 대학병원에서 조사된 재택산소요법을 받고 있는 환자의 특성과 재택산소요법 처방에 대한 순응도: 건강보험급여전환 후 조사
구호석 ( Ho Seok Koo ),송영진 ( Young Jin Song ),이승헌 ( Seung Heon Lee ),이영민 ( Young Min Lee ),김현국 ( Hyun Gook Kim ),박이내 ( I Nae Park ),정훈 ( Hoon Jung ),최상봉 ( Sang Bong Choi ),이성순 ( Sung Soon Lee ),허진원 ( Jin 대한결핵 및 호흡기학회 2009 Tuberculosis and Respiratory Diseases Vol.66 No.3
고립성폐결절의 경피적 바늘생검 이후 발생한 결핵성 흉수
구호석 ( Ho Seok Koo ),김태균 ( Tae Kyun Kim ),박성길 ( Sung Kil Park ),최상분 ( Sang Bun Choi ),김애란 ( Ae Ran Kim ),최상봉 ( Sang Bong Choi ),정훈 ( Hoon Jung ),박이내 ( I Nae Park ),허진원 ( Jin Won Hur ),이혁표 ( Hyuk Pyo Le 대한결핵 및 호흡기학회 2007 Tuberculosis and Respiratory Diseases Vol.63 No.3
A tuberculous pleural effusion may be a sequel to a primary infection or represent the reactivation of pulmonary tuberculosis. It is believed to result from a rupture of a subpleural caseous focus in the lung into the pleural space. It appears that delayed hypersensitivity plays a large role in the pathogenesis of a tuberculous pleural effusion. We encountered a 52 years old man with pleural effusion that developed several days after a CT guided percutaneous needle biopsy of a solitary pulmonary nodule. He was diagnosed with TB pleurisy. It is believed that his pleural effusion probably developed due to exposure of the parenchymal tuberculous focus into the pleural space during the percutaneous needle biopsy. This case might suggest one of the possible pathogeneses of tuberculous pleural effusion. (Tuberc Respir Dis 2007; 63: 268-272)