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이호균(Ho Gyun Lee),이애영(Ai Young Lee),이유신(Yoo Shin Lee) 대한피부과학회 1990 대한피부과학회지 Vol.28 No.4
Aquagenic urticaria is a rare form of physical urticaria in which wheal is produced by contact with water. A 21-year-old woman was referred to our department because of itching wheal after contact with water for 1 month. Match-head-sized wheal surrounded by bean sized erythema was provoked with water on her face regardless of its tempera ture, osmolarity and quality. Passive transfer test was negative. Result of pro vocation test with normal saline and NaHCO solution, which was reported to be therapeutically effective, was similar to those with pure water. (Kor J Dermatol 28(4): 456 458, 1990)
도서산림 관리를 위한 관련 법제도 고찰과 개선방안에 관한 연구
이호상 ( Lee¸ Ho-sang ),현창석 ( Hyun¸ Chang-seok ),이보라 ( Lee¸ Bo-ra ),이광수 ( Lee¸ Kwang-soo ),신순호 ( Shin¸ Soon-ho ) 한국도서(섬)학회 2021 韓國島嶼硏究 Vol.33 No.2
This study was undertaken to suggest the direction of island forest management for the conservation of the forest ecosystem in the island region through the review of the current legal system for forest management in the island area. Recently, there has been an increasing discussion on the conservation of island biodiversity both domestically and internationally, and the island management policy in Korea has also been changed to consider the life, economy, and ecological sustainability of local residents. The total number of islands that are geographically cut off from land and surrounded by the sea was 3,383(465 inhabited islands and 2,918 uninhabited islands), 2,325 (55.9%) distributed forests and 220,819ha forest area, which is estimated to account for about 3.5% of the nation's forest area. In relation to the island area, the principal agents in island management are diversified by managing the populated islands via the Ministry of the Interior and Safety, the uninhabited islands with the Ministry of Oceans and Fisheries, the Ministry of Environment, the Ministry of Oceans and Fisheries, and the Ministry of the Interior and Safety. Mainly, inhabited islands are developed while uninhabited islands and special islands have conservation characteristics. In the forest sector, other than the Forest Protection Act, which is directly subject to forest protection, forests are indirectly protected in connection with environmental conservation or ecosystem conservation, including by the Natural Environmental Conservation Act. The legal system that approaches the concept of island forest as a different concept rather than that of a collective is needed, as most of the current forest-related laws are applied to develop, use, preserve, and manage forests and mountainous areas. As a measure to improve the legal system for the management of island forests, first, it is intended to suggest a plan to revise the current laws and regulations and to enact the Act on the Conservation and Management of Forests on Islands (tentative name). The revision (proposal) of the current law is the easiest improvement plan by revising only the regulations to create forest resources, protect forests, and strengthen budgets, mainly for forest management in the island areas. The plan to enact the Act on the Conservation and Management of Forests in Island Areas (tentative name) may make the authority of the management of island forests clearer, so that no conflict between ministries may occur. Through this, it will be possible to secure the effectiveness of island forest management and to secure the necessity of the Forest Service to take responsibility for the systematic management of forests in the island areas.
이호종(Lee Ho-Jong),신명호(Shin Myoung-Ho) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
An electrical railway system uses high voltage system for train traction and low voltage system for train control. Railway systems are broadly distributed across mountains, sea sides and cities. Electrical accidents provoke the death and injury of a human being and the damage of the equipment by the overcurrent due to the catenary dropping and by the overvoltage due to lightning. Grounding systems are adopted for the protections of the system from the overcurrent and the overvoltage. Isolation grounding for each system can be easily installed. However, the closed circuits between grounding systems can be occurred. The currents flow through the closed circuits cause the abnormal operation of the system. To overcome the problem of the isolation grounding, the equipotential bonding is usually adopted. The equipotential bonding should have very small grounding resistance. In this paper, we showed the transition from the isolation grounding system to the common grounding system and presented the comparison and the analysis of two grounding systems by simulation. In addition, we proposed the direction for a new grounding system of electric railway.
이호형(Ho Hyoung Lee),김종대(Jong Dae Kim),장은철(Eun Cheol Jang),손은식(Eun Sik Sohn),임희택(Hee Taek Lim),이춘보(Chun Bo Lee),신승권(Seung Kwan Shin) 대한산부인과학회 2000 Obstetrics & Gynecology Science Vol.43 No.9
Chorioangioma is the most common benign tumor of the placenta, which consists of a benign angioma arising from the primitive chorionic mesenchyme. The incidence is reported to be 1% in most large series where systemic section of placentas revealed small tumors. However, the incidence of large chorioangioma varies from 1 in 500 to 1 in 16,000 placentas examined.Most placental chorioangiomas have no clinical significance. However, the uncommon large tumors, particularly those greater than 5cm in diameter may be associated with maternal or fetal complications. For diagnosis of these lesions, the ultrasonography was used. If the chorioangioma is suspected, color doppler study is informative to confirm the presence of the vascular channels. We describe a recent case of chorioangioma and discuss the noxious effects of this benign tumor on the mother and the fetus.