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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.
이호균(Ho Gyun Lee),조광현(Kwang Hyun Cho),이유신(Yoo Shin Lee),김원석(Won Seok Kim),함의근(Eui Keun Ham),송계용(Kye Yong Song) 대한피부과학회 1990 대한피부과학회지 Vol.28 No.6
We reported a case of nevus sebaceus associated with trichilemmoma in a 19-year- old female patient. The lesion was a 2 x 2 cm sized yellowish verrucous plaque with two 0.3 x 0.3 cm sized dome-shaped papules. Histopathological examinat,ion revealed hyperkeratosis, papillomatosis and acanthosis, proliferation of sebaceus glands, presence of apocrine gland and mild inflammatory cellular infiltration around superficial vessels. In the epidermis of the lesion, there were two foci of lobulated mass consisted of clear cells with columnar basal cells and thick basement membrane. (Kor J Dermatol 28(6):818 821, 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
본 연구는 도서지역 산림 관리를 위해 현행 법·제도에 관한 고찰을 통하여 지속적인 도서지역의 산림 생태계 보전을 위한 도서산림관리 방향을 제시하는데 있다. 최근 국내외적으로 도서 생물다양성 보전 등에 대한 논의가 증가하고 있으며, 우리나라 도서(섬) 관리정책도 주민의 삶, 경제, 생태적 지속성 등을 고려하는 방향으로 변화되고 있다. 우라나라의 도서는 각 부처에 따라 그 수치가 상이하나 최근의 발간한 관련 서적과 행정안전부 및 해양수산부 발표에 따르면 2020년 4월 기준으로 총 3,383개(유인도서 465개, 무인도서 2,918개)로 파악되었으며, 산림의 분포하는 도서는 2,325개(69.5%)로 산림면적은 총 220,819㏊로 전국 산림면적의 약 3.5%를 차지하고 있다. 도서지역 관련하여 유인도서는 행정안전부와 국토교통부, 무인도서는 해양수산부, 특수도서는 환경부와 해양수산부 그리고 행정안전부가 법적 근거를 가지고 관리함으로써 도서 관리주체가 다원화 되어 있고, 주로 유인도서는 개발, 무인도서 및 특수도서는 보전적인 특징을 가지고 있다. 산림분야는 산림보호를 직접적인 대상으로 하는 「산림보호법」이 있고 그 밖에「자연환경보전법」 등과 같이 환경보전이나 생태계보전과 관련하여 산림을 간접적으로 보호하는 법체계를 가지고 있다. 도서지역에는 여타지역과 기후나 자연 생태적 환경이 다르고, 오랫동안 육지부와 격절되어 있는 삶의 여건에 의해 산림자원적 측면에서 독특한 특성을 가지고 있다. 그러나 이러한 산림자원은 근래 개발행위와 생태계 자체의 교란 등으로 인해 여러 가지 부정적 변화가 야기되고 있다. 도서지역의 산림보호는 섬 자체의 가치를 제고해 줄 뿐만 아니라 독특한 산림자원의 안정적 보호라는 측면에서 매우 중요하다. 본 논문에서는 이 같은 도서산림을 보호하는데 궁극적 목적을 두고 그 제도적 개선방안을 모색하고자 한다. 도서산림 관리를 위한 법제의 개선안으로 첫째, 현행 법령 등을 개정하는 방안과 ‘(가칭)도서지역 산림보전 및 관리에 관한 법률’을 제정하는 방안을 제시하고자 한다. 현행 법률 등의 개정(안)은 도서지역 산림관리 위주로 산림자원조성과 산림보호 및 예산을 강화하기 위한 규정만을 개정하는 안으로 가장 용이한 개선방안이라고 할 수 있다. ‘(가칭)도서지역 산림 보전 및 관리에 관한 법률’을 제정하는 방안은 도서산림 관리의 권한을 보다 명확하게 하여 부처간 충돌문제가 발생하지 않을 수 있다. 이를 통해 도서지역 산림관리의 실효성을 확보하고, 산림청이 도서지역에서도 산림의 체계적인 관리에 대한 책임을 지는 당위성을 확보할 수 있을 것이다. 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.
테넌트특성이 복합상업시설의 임대료에 미치는 영향에 관한 연구
이호신 ( Ho Shin Lee ),백민석 ( Min Seok Baik ),신종칠 ( Jong Chil Shin ) 한국부동산분석학회 2012 不動産學硏究 Vol.18 No.4
In complex commercial facilities, tenants are critical factors in terms of their competitiveness, and tenant mix is a decisive factor in creating malls` concepts. This study investigates the effect of tenant characteristics on rental rate in complex shopping mall. The case mall of this study is Western Dome that is an open air mall in Ilsan. We set the independent variables for this study by distinguishing tenant characteristic variables and physical characteristic variables, and conducted variance analysis and multiple regression analysis. With empirical research, we confirm tenant characteristics have an effect on the rental rate of complex shopping mall. The empirical research shows tenants of food and beverage, accessory, cosmetic etc. pay relative higher rent, but tenants of culture and entertainment pay relative lower rent. And we also find out physical characteristics such as store size, corner location, connection to main street, main entrance distance, etc. have influence on the rental rate. This study shows tenant characteristics should be considered in determining rental rate of complex shopping mall.