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강훈,조상현,김의한,강훈 대한알레르기학회 1999 천식 및 알레르기 Vol.19 No.3
Solar urticaria is a rare disorder in which immediate erythema and wheals are induced by ultraviolet or visible irradiation. This condition usually occurs in the third and fifth decades of life and is very rare in childhood. A 3-year-old girl presented with a history of an erythematous rash which had occurred on the face and neck, immediately after exposure to sunlight for one month. A diagnosis of solar urtiacria was made on the clinical reviews and phototest. Other photosensitive disorders could be excluded by the clinical and laboratory findings. She was treated with ketotifen and sun protection showing good early results.
강훈철(Kang hoon-chul),좌정우(Jwa jeong-woo) 한국콘텐츠학회 2004 한국콘텐츠학회 종합학술대회 논문집 Vol.2 No.1
다기능 단말기 보급이 확산됨에 따라 무선인터넷 사업에서 이를 기반으로 새로운 사업모델이 개발되고 있다. 다기능 단말기는 VOD, AOD 등의 멀티미디어 서비스와 블루투스, 무선랜을 이용한 근거리 무선인터넷 서비스를 가능하게하고 있다. 새로운 사업모델로 다기능 단말기를 이용한 홈 네트워킹 서비스가 개발되고 있다. 본 논문은 홈 네트워크 제어기와 연동하는 WIPI 기반 홈 네트워크 어플리케이션에 관한 것이다. 개발된 홈 네트워크 어플리케이션은 댁내 장비를 제어하고 웹 카메라와 연동하여 댁내의 보안상태를 확인할 수 있는 기능을 제공한다. GigBee, RFID 등의 PAN 장치를 내장한 다기능 단말기가 개발됨에 따라 PAN을 이용한 다양한 서비스가 개발될 것이다. New business model for mobile internet has beem developed using multifunction mobile terminal. Multifunction terminal provides mobile multimedia service such as VOD and AOD and personal area network(PAN) service using bluetooth and W-LAN. In this paper, we develop home network WIPI application interworking with home network gateway. This application controls home appliances and provides still image for home secuirt using the web camera. We further develop the home networking PAN services using multifunction terminal having GigBee and RFID.
강훈철 ( H. C. Kang ),이승호 ( S. H. Lee ),김남수 ( N. S. Kim ),이경종 ( K. J. Lee ) 한국열처리공학회 2003 熱處理工學會誌 Vol.16 No.1
N/A In Nb, V and Ti added steels, carbo-nitrides are formed due to their strong interaction with C and N. The formation of carbo-nitrides has an important role to control the microstructure as well as mechanical properties by grain size refinement and precipitation hardening. However, the quantitative analysis of distribution of precipitates and the effect of precipitates on the phase transformation and mechanical properties are still far from satisfactory. In this study, the quantitative analysis of precipitates in austenite was investigated using the fact that the formation of precipitates in Nb, V and Ti added steels accelerates austenite/ferrite transformation. The formation of precipitates was controlled by adjusting holding temperature and time in austenite region. transformed Volume fractions were measured by dilatometer during slow cooling. Iso-precipitation kinetics were determined by comparing 5% and 50% volumes transformed at various conditions respectively. The result was compared with the calculated.