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김광우 ( Kim Kwng Woo ),김주인 ( Kim Joo In ),김기성 ( Kim Ki Sung ) 한국농공학회 1995 韓國農工學會誌 : 전원과 자원 Vol.37 No.3
The recycled concrete, average compressive strength of which was 2l0kg/cm< TEX >$^2$< /TEX > or higher with slump range of 14~18cm, was prepared by replacing 25% and 50% by weight of coarse aggregate with recycled aggregate from waste concrete. Mix design method for crushed aggregates was used and all specimens were cured by normal moisture curing method. A plasticiser and a fly ash were added to the mix to improve performance of recycled concrete. Flexural strength, stress- strain relationship and fracture toughness were evaluated by comparing with those of normal concretes. Recycled concrete showed, in general, lower flexural strength and fracture toughness, and higher strain under the same stress level. Fly ash in the concrete had an effect of reducing the strength and fracture toughness on both normal and recycled concretes. Since fly ash is known to improve many properties of concrete, while reducing strength properties, decision for using fly ash should be made carefully depending on the intended usage of the recycled concrete.
조주연 ( Joo Yeon Cho ),이현경 ( Hyun Kyung Lee ),이성순 ( Sung Soon Lee ),이혜경 ( Hye Kyung Lee ),이영민 ( Young Min Lee ),이혁표 ( Hyuk Pyo Lee ),김주인 ( Joo In Kim ),최수전 ( Soo Jeon Choi ),염호기 ( Ho Kee Yum ) 대한결핵 및 호흡기학회 2006 Tuberculosis and Respiratory Diseases Vol.61 No.5
Acute fibrinous and organizing pneumonia (AFOP) is a histological pattern consisting of prominent intra-alveolar fibrin and organizing pneumonia, with out hyaline membranes or prominent eosinophilia. The clinical manifestations of AFOP resemble those of acute lung injury such as acute interstitial pneumonia (AIP). However, the classic histological patterns of AFOP differ from diffuse alveolar damage (DAD), bronchiolitis obliterans with organizing pneumonia (BOOP) or acute eosinophilic pneumonia (AEP). The characteristic intra-alveolar fibrin ball and lack of classic hyaline membrane are the predominant histological features of AFOP. Although some reports suggest that its clinical course is less catastrophic than DAD, the clinical entity that distinguishes AFOP from DAD has not been established. We present a case of pathologically demonstrated AFOP in a 79-year-old man. The radiological findings of our case were similar to those of DAD, presented with diffuse bilateral lung infiltrations. However, despite the rapid development of respiratory failure, the patient had a better response and outcome to steroid therapy than what would be expected for DAD. (Tuberc Respir Dis 2006; 61: 479-483)
연구논문 : 항공기 소음모델의 정합성 평가를 통한 소음지도 작성
임봉빈 ( Bong Been Yim ),김주인 ( Joo In Kim ),이규성 ( Kyu Sung Lee ),홍현수 ( Hyun Su Hong ),김선태 ( Sun Tae Kim ) 한국환경영향평가학회 2012 환경영향평가 Vol.21 No.6
Aircraft noise model such as FAA Integrated Noise Model(INM) has recently been used for forecasting the impact of noise in a residential area near an airport and quantifying the effect of various options for noise mitigation. The noise modeling should be reliable and precise in order to ensure the quality of the results provided. In this study, the validation of the noise levels simulated by the INM against measurement data recorded continuously at multiple monitoring sites was discussed. As a result of validation, the quality of the input data used as a fixed point profiles for the INM was enhanced. The noise contour maps were designed as a way to evaluate the aircraft noise of the vicinity of the airfield. The results of this study indicate that the validation of aircraft noise model by the measurement data would be required for the accurate assessment of the aircraft noise levels.
기관지내시경 검사상 우연히 발견된 무증상의 기관지 과립세포종 2예
강은희,이성홍,나영숙,최태영,남궁준,정병오,이혁표,김주인,염호기,최수전,조혜제,이혜경,Kang, Eun-Hee,Lee, Sung-Hong,Na, Young-Sook,Choi, Tae-Young,NamGung, June,Jeoung, Byung-Oh,Lee, Hyuk-Pyo,Kim, Joo-In,Yum, Ho-Kee,Choi, Soo-Jeon,Cho, Hye 대한결핵및호흡기학회 1999 Tuberculosis and Respiratory Diseases Vol.46 No.1
저자들은 타질환으로 입원중 기관지내시경검사상 우연히 발견된 과립세포종 2예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Granular cell tumor(formerly named to be granular cell myoblastoma) was first described by Abrikossoff in 1926 and is a rare tumor thought to be of Schwann cell origin. It can occur at any soft tissue of the body, but most cases are found at the tongue, skin, breast and GI tract Only 6% of them occur in respiratory system. We report two cases of asymptomatic granular cell tumor of the bronchus that were detected incidentally by bronchoscopy. One patient had aspiration pneumonia, the other had immotile cilia syndrome. The former patient was simply observed and bronchoscopic extirpation of the tumor was done in the latter patient.
안진철(Jin Cheoul Ahn),김정수(Jeung Su Kim),이혜경(Hae Kyung Lee),전우기(Woo Gee Jeon),김주인(Joo In Kim),염호기(Ho Kee Yum),최수전(Soo Jeon Choi),이봉춘(Bong Choon Lee) 대한내과학회 1996 대한내과학회지 Vol.51 No.5
The leiomyosarcoma is uncommon tumor and commonly arise from retroperitoneum or mesentery. But leiomyosarcoma arised from mediastinum is very rare and only incidental case report is present. Mediastinal leiomyosarcoma may originate from superior vena cava, pulmonary artery, small vessels of alveoli, esophagus and cardiac muscle. Common symptoms related with leiomyosarcoma of mediastinum are cough and dyspnea. And dysphagia, chest pain, hemoptysis and pleural effusion can be rarely produced. Although complete resection of tumor was the choice of treatment, there was no effective therapy in patients who had disseminated disease or huge tumor mass. We report a case of posterior mediastinal leiomyosarcoma confirmed by immunohistochemical staining and electron microscopic finding with a review of literature.