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문승현 ( Seung Hyun Moon ),서대헌 ( Dae Hun Suh ),김규한 ( Kyu Han Kim ),박경찬 ( Kyoung Chan Park ),윤재일 ( Jai Il Youn ) 대한피부과학회 1998 대한피부과학회지 Vol.36 No.3
The hyperimmunoglobulinemia E (Jobs) syndrome (HIES) is characterized by marked elevated levels of IgE, recurrent cutaneous and systemic staphylococcal infections, atopic-like dermatitis, and defective neutrophil chemotaxis. Three cases of HIES have been reported in Korea, but not in the dermatology literature. We report a case of HIES with cutaneous infections and MRSA (methicillin-resistant Staphylococcus aureus). A 15-month-old girl presented with intractable pruritic excoriated papular pustular skin lesions and multiple subcutaneous abscesses. Surgical drainage of the abscesses and a course of antibiotic treatment in addition to topical steroids for about 7 weeks resulted in a remarkable improvement. (Korean J Dermatol 1998;36(3): 482-486)
문승현(Seung Hyun Moon),이승재(Seung Jae Lee),유인수(In Soo Ryu) 大韓環境工學會 2010 대한환경공학회지 Vol.32 No.10
폐 목재 소각 보일러 배가스로부터 질소산화물을 저감하기 위하여 설치된 선택적촉매환원 공정의 시운전 중에 전단에 설치된 여과포의 일부 소실이 발생되었다. 여과포 소실에 따른 불완전 연소 가스는 2단으로 설치된 저온 탈질촉매 표면을 미연탄소로 침적시켜 촉매의 탈질 효율을 급격히 저감시켰다. 활성 저하의 원인 분석을 위하여 XRD, EDX, BET, TGA, SEM 등 다양한 특성 분석을 실시하였다. 재생 방법으로 산 세척, 초음파 수 세척, 공기 중 소성의 방법을 적용한 결과, 공기분위기에서 450℃로 2시간 소성하는 것이 최적조건 임을 밝혀내었다. 재생된 촉매는 2 cm × 2 cm × 10 cm(촉매 무게 10 g) Honeycomb 촉매 시료를 이용하여 활성을 측정한 결과 사용 전 촉매와 동일한 수준의 활성인 180℃에서 NOx저감 효율 100%를 나타내었다. A bag filter system was partially burnt down during a trial run of waste wood incineration boiler. This brought about unburned hydrocarbon which caused a rapid deactivation of low temperature SCR catalyst set up in two stage after the bag filter. The deactivated catalyst was investigated in order to trace the origin by several characterization methods such as XRD, EDX, BET, TGA, SEM. The deactivated catalyst was regenerated by different methods such as acid washing, water washing in ultrasonication, and calcination treatment under air condition. It is found the calcination treatment under air condition at 450℃ for 2 hours to be the best regeneration method. The catalytic activity was measured in the form of 2 cm × 2 cm × 10 cm (catalyst weight 10 g) honeycomb type. A deNOx efficiency of the regenerated catalyst showed 100% at 180℃ which is the same level of fresh one.