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개별 난방방식에서의 배관 내 절정 유량 및 압력유지에 관한 연구
홍석진,류성룡,석호태,여명석,김광우,Hong Seok-Jin,Ryu Seong-Ryong,Seok Ho-Tae,Yeo Myoung-Souk,Kim Kwang-Woo 한국주거학회 2006 한국주거학회 논문집 Vol.17 No.2
For the more comfortable thermal environment in residential buildings, it was necessary for variable components like as automatic flow limiting valves and/or balancing valves in hydronic system. And, these components had an effect on flow-rate and pressure inside pipe. In this case, the incompatibility between the design for the heating system and the selection of equipment was the causes of several problems in heating pipe network. In this study, we peformed measurements and analyses of flow rate and pressure inside pipe for radiant floor heating in residential buildings through field surveys and experiments in order to find out the actual conditions and problems. On the basis of this, we suggested the approach for the optimal flow-rate and pressure maintaining inside pipe in individual heating system.
비특이적 임상 소견을 보인 Gianotti - Crosti 증후군
홍석진,김삼형,강훈,손숙자 ( Seok Jin Hong,Sam Hyeong Kim,Hoon Kang,Sook Ja Son ) 대한피부과학회 1997 대한피부과학회지 Vol.35 No.4
We report herein a case of Gianotti-Crosti syndrome showing unusual features. A 12-month-old male patient presented with papular skin lesions on his face and papulovesicular skin lesions on the trunk, upper and lower extremities, which were distributed symmetrically. Three days before the skin eruptions, he had been immunized with a measles vaccination. Serologically, antigens of the type B hepatitis virus and antibodies to coxsackie virus B-4, Epstein-Barr virus, and varicella-zoster virus were all negative and antibodies to the measles virus (IgG, IgM) and the type B hepatitis virus were positive. After conservative treatment the skin lesions subsided with exfoliation within 4 weeks. An association with the measles vaccination and the initial papulovesicular skin lesions are considered as peculiar features of this case. (Kor J Dermatol 1997;35(4): 830-834)
비전형적인 임상 양상을 보인 호산구성 농포성 모낭염 4예
홍석진,김삼형,강훈,손숙자 ( Seok Jin Hong,Sam Hyeong Kim,Hoon Kang,Sook Ja Son ) 대한피부과학회 1997 대한피부과학회지 Vol.35 No.6
We report three cases of u.iiusual eosinophilic pustular folliculit is whose initial manifestation is indurated plaque rather than papule and pustule and one case of eosinophilic pustular folliculitis was found in an infant. None of the adult patients in these cases complained of any suhjective syrnptoms other t.han the skin lesion, but an itching sensation might be present in the case of the infant. In laborat ory test, eos nophilia was observed in only one case and any other abnormal results were not observed. In all cases, histopathologic study revealed numerous eosinophilic infil tration around the follicles ext.i nding to the periappendageal and perivacscular area, that is consistent with the finfings of eosinophilic pustuar folliculitis. All adult patients relatively responded well to dapsone and topical stroid and the infant patient resporided well to topical steroids, But they had a chronic course with remission and exacerhation (Korean J Dermatol 1997;35(6): 1244-1249)
홍석진(Hong Seok-Jin),성기철(Sung Ki-Chul),김지현(Kim Ji-Hyun) 한국건축친환경설비학회 2010 한국건축친환경설비학회 논문집 Vol.4 No.3
Various construction method were applied to prevent the condensation on the wall and floor of under ground space in apartment buildings. However the surface condensation is not prevented completely, it is caused by high percentage of relative humidity. The result of field measuring, the relative humidity of underground space reached on 99%. In this case, it is necessary to apply the humidity control method for preventing condensation. In this study, we considered using the inorganic finishing material that consists of cement, water and admixture like concrete as humidity control method. Also we considered dehumidifying system that could be applied to stair case and elevator hall of underground. To evaluate the humidity control capability of inorganic materials and the dehumidifying system, we performed the field test on underground space in apartment buildings. As a result, the permeability of inorganic materials that applied to the wall and floor is useful to prevent the condensation of underground space. In small space such as stair case and elevator hall, applying dehumidification equipment is more useful. Also blowing dehumidified air from stair case to parking area can decrease the humidity of underground parking space.
단애양 피낭성 신경종 ( Palisaded , Encapsulated neuroma )
홍석진 ( Seok Jin Hong ),김삼형 ( Sam Hyeong Kim ),강훈 ( Hoon Kang ),손숙자 ( Sook Ja Son ),장희진 ( Hee Jin Jang ) 대한피부과학회 1998 대한피부과학회지 Vol.36 No.1
Palisaded, encapsulated neuroma is characterized clinically by a solitary, slowly-growing and dome-shaped papule or nodule, usually accompanied by telangiectasia on the surface, and histopathologically by an encapsulated nodule in the dermis and the palisading arrangement of nuclei. A 57-year-old female patient presented with a 1cm-sized, solitary nodule on the right ala nasi which had been present for about 5 years. The nodule had a tendency to slow growth and it became a polypoid nodule. Telangiectasia was shown on the surface of the lesion. Histopathlogical findings showed a well-defined and encapsulated nodule in the dermis, composed of spindle cells with basophilic and plump nuclei in a palisading fashion. On immunohistochemical staining, the tumor cells of the nodule were positive for S-100 protein, while the capsule of the nodule was negative for S-100 protein. Epithelial membrane antigens were focally positive only on the capsule of the nodule. We report herein a case of palisaded, encapsulated neuroma, one case of which has been reported in Korea. (Korean J Dermatol 1998;36(1): 173-176)
홍석진(Seok-Jin Hong),장현재(Hyun-Jae Chang) 대한설비공학회 2006 대한설비공학회 학술발표대회논문집 Vol.2006 No.11
Recently, the using of heat recovery ventilators(HRV) have been increasing on purpose to improve indoor air quality and energy saving. But verification on the performance such as heat exchange efficiency, carry-over rate, internal leakage, etc. have not been carried out sufficiently. So in this study, performance evaluation are carried out for selected HRV models under domestic and international standard.