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중대산업사고 예방을 위한 종합위험관리체제(IRMS) 구축에 관한 연구
권혁면,성대현,김재현,임대식,김기영,편무욱,문일,고재욱,이영순,윤인섭 한국안전학회 2003 한국안전학회지 Vol.18 No.3
The Process Safety Management (PSM) by the Law of Industry, Safety and Health has been performed for preventing major accidents of chemical plants since 1996. In terms of preventing chemical accidents more precisely, it is essential to develop a tool for quantitative risk assessment. For this, KOSHA (Korea Occupational Safety and Health Agency) developed an Integrated Risk Management System (IRMS) . The system is designed to assimilate data on chemical plant hazards from external database, to integrate these data with location information (topographic and demographic), and to make them user-friendly accessible. The system consists of several main functions: display of five major Korean petrochemical complex layout, display of equipment layout with its information utilizing the external database, zonation of the hazard effected area with consequence analyses, the most probable accident scenario generation, accident/incident database and calculation of frequency of accident using equipment reliability database, etc. The highlight of IRMS is to provide the risk contours using GIS(Geographical Information System) technology. IRMS is intended to manage hazardous installation more systematically and effectively, to reduce the number of accident remarkably, further minimizing production loss in the plant. The system is now under application to about 500 PSM sites as well as and emergency authorities in Korea by KOSHA (Korea Occupational Safety and Health Agency)
권혁문(Hyuck Moon Kwon),정재복(Jae Bock Chung),김주항(Joo Hang Kim),전상일(Sang Il Chun),조준구(Jun Koo Cho),박용준(Yong Jun Park),고은희(Eun Hee Koh),노재경(Jae Kyung Roh),서창옥(Chang Ok Suh),김귀언(Gwi Eon Kim),노준규(J . K . Loh) 대한내과학회 1987 대한내과학회지 Vol.33 No.1
N/A There is no acceptable evidence, either in this presentation of in the literature, that the patterns of occurance of multiple primary maligant neoplasms of different organs of tissues are governed by anything more than conincidence. The freqency of occurance of specific types of second primary cancers is probably largely determined by the age of the patient at the time of diagnosis of initial cancer and the expected longevity after treatment of the initial lesion. The absolute number of reported cases of multiple primary malignant tumors has increased in recent years and the freqency of occurance of this phenomenon has increased. There is no factual basis for assuming that the existence of any one malignant neoplasm influence or that it implies any susceptibility of any other organ or organ system to future cancer. But it becomes apparent that existence of one malignant neoplasm implies increased susceptibility to the development of a second lesion but also a malignant lesion in one organ may imply increased susceptibility of another organ to malignant neoplasm, particularly another organ in the same or an associated system. This report deals with the clincal analysis of 42 cases of multiple primary malignant tumors from tumor registry of Severance hospital and yonsei cancer center during 7 years from Jan 1979 to Dec. 1985 and review of the literatures, The following results were abtained. 1) The incidence of multiple primary malignant tumor was 0.26% of tumor registry (42/25, 863) and the mean age of 26 male patients at first cancer was 58.8 years old and 54.9 years old in 16 female patients. 2) The mean time interval between first and second cancer was 34.1 months in 12 metachronous tumors. 3) In male patients, the stomach cancer was the most common first cancer followed by lung cancer. In female patients, the cancer of uterine cervix was the most common first cancer. 4) The ratio between synchronous and metachronous multiple primary was 2.5:1 (30:12).
급성 간성 포르피리아가 동반된 인슐린 의존성 당뇨병 1 예
권혁문(Hyuck Moon Kwon),김경래(Kyung Rae Kim),김복성(Bok Seong Kim),임승길(Sung Kil Lim),허갑범(Kap Bum Huh) 대한내과학회 1986 대한내과학회지 Vol.30 No.6
N/A Acute intermittent porphyria may be defined most simply as an inborn error of metabolism characterized chemically by the excessive excretion of porphyria precursors(porphobilinogen and usually aminolevulinic acid) and characterized clinically by episodes of neurologic dysfuntion. The disaese is complex, involving variable patterns of autonomic and peripheral neuropathy as well as central nervous system manifestions. There may be alterations in carbohydrate, lipid, water, and electrolyte metabolism in addition to clinically inapperent endocrine abnormalities. The fundamental defect is though to be a 50% decrease of porphobilinogen deaminase, the third enzyme of the heme biosynthetic pathway. This is associated with a marked increase of hepatic δ-aminolevulic acid synthetase, the first and rate controlling enzyme of the pathway. We experienced that 30 year old female admitted to our hospital due to recurrent attacks of abdominal pain, nausea and vomiting just before mensturation or during pregnancy. On past history, she has suffered from juvenile onset insulin dependent diabetes mellitus and used insulin(NPH 16 units) for 10 years. She was diagnosed as acute hepatic porphyria by the positive PBG test of Haesch method, and treated by hypertonic dextrose solution with insulin. Although the glucose tolerance test is abnormal by classical criteria in many patients, paricularly during activity of the disease, the association of porphyria and diadetic ketoacidosis is rare. In this situation, the accurate diagnosis and prompt treatment may be delayed because of similar clinical manifestation and there is complexed problem between hypertonic dextrose solution required for porphyria and hypertonic dextrose solution aggrevated for diabetic ketoacidosis.
이동된 중심정맥도관으로 인한 간헐적 심계항진 환자의 경피적 도관 제거
정혜문 ( Hye Moon Chung ),이광원 ( Kwang Mon Lee ),하지윤 ( Ji Yoon Ha ),김승규 ( Seung Kyu Kim ),윤지영 ( Gi Young Yun ),권혁문 ( Hyuck Moon Kwon ),이병권 ( Byoung Kwon Lee ) 대한내과학회 2013 대한내과학회지 Vol.85 No.2
The totally implantable venous port device is used in patients undergoing chemotherapy. The complications associated with this device include venous thrombosis, infection, catheter fracture, extravasation, and intravascular dislodgement. The incidence of port catheter dislodgement is low. The treatment of choice for port dislocation involves immediate retrieval of the distal migrated part, and percutaneous transcatheter retrieval is regarded as the standard method. A 40-year-old female presented with intermittent palpitation. She was referred from the Department of General Surgery after detection of a fractured and dislocated implantable venous port system into the main pulmonary artery. We successfully retrieved the dislocated fractured device using a -Fr pigtail catheter and snare catheter. We herein report this case with a literature review. (Korean J Med 2013;85:194-198)
Advanced Korean Industrial Safety and Health Policy with Risk Assessment
Kwon, Hyuck-Myun,Cho, Jae-Hyun,Moon, Il,Choi, Jae-Wook,Park, Doo-Yong,Lee, Young-Soon Occupational Safety and Health Research Institute 2010 Safety and health at work Vol.1 No.1
This article describes a systematic roadmap master plan for advanced industrial safety and health policy in Korea, with an emphasis on. Since Korean industries had first emergence of industrial safety and health policy in 1953, enormous efforts have been made on upgrading the relevant laws in order to reflect real situation of industrial work environment in accordance with rapid changes of Korean and global business over three decades. Nevertheless, current policy has major defects; too much techniques-based articles, diverged contents in less organization, combined enforcement and punishments and finally enforcing regulations full of commands and control. These deficiencies have make it difficult to accommodate changes of social, industrial and employment environment in customized fashion. The approach to the solution must be generic at the level of paradigm-shift rather than local modifications and enhancement. The basic idea is to establish a new system integrated with a risk assessment scheme, which encourages employers to apply to their work environment under comprehensive responsibility. The risk assessment scheme is designed to enable to inspect employers' compliances afterwards. A project comprises four yearly phases based on applying zones; initially designating and operating a specified risk zone, gradually expanding the special zones during a period of 3 years (2010-2012) and the final zone expanded to entire nation. In each phase, the intermediate version of the system is updated through a process of precise and unbiased validation in terms of its operability, feasibility and sustainability with building relevant infrastructures as needed.
The empirical corner stiffness for right-angle frames of rectangular and H-type cross-sections
Kwon, Young-Doo,Kwon, Soon-Bum,Gil, Hyuck-Moon,Cho, Hui-Jeong Techno-Press 2014 Structural Engineering and Mechanics, An Int'l Jou Vol.51 No.3
Until now, the finite corner stiffness of the right-angle frames used as horizontal girders in a bonnet, have not been considered during the design process to result in not a precise result. This paper presents a design equation set for right-angle frames used as horizontal girders in a bonnet assuming rigid corner stiffness. By comparing the center stresses of the right-angle frame according to the design equation set with the results of the finite element method, the master curves for the empirical corner stiffness can be determined as a function of slenderness ratio. A second design equation set for a right-angle frame assuming finite corner stiffness was derived and compared with the first equation set. The master curves for the corner stiffness and the second design equation set can be used to determine the design moments at the centers of the girder so that the bending stresses can be analyzed more precisely.
Treatment of molluscum contagiosum with evening primrose oil: a clinical approach in 41 children
( Hyuck Sun Kwon ),( Sung Hye Eun ),( Ji Hae Lee ),( Eung Ho Choi ),( Jung Min Bae ),( Gyong Moon Kim ) 대한피부과학회 2016 대한피부과학회 학술발표대회집 Vol.68 No.2
Background: Molluscum contagiosum (MC) is a common cutaneous viral infection by a poxvirus, which is frequent in children. Although MC has been known to resolve spontaneously, many children and their parents desire to remove them because of concerns about spreading to other body parts or other children, and even esthetic purposes. Objectives: To evaluate the effecacy of topical evening primrose oil (EPO; linoleic acid 70%, gamma linoleic acid 10%, oleic acid 5%, et cetera) therapy for children with MC. Methods: We performed a prospective, single-armed, open-label clinical trial from February, 2014 to April, 2016. Forty-one children with MC were instructed to apply EPO topically to all MC lesions twice daily for 3 months. Therapeutic response was assessed by investigators per every 1 month. Results: We found complete resolution in 29.3% (12/41), partial response in 24.4% (10/41), no change in 41.5% (17/41) and spreading in 4.9% (2/41) of patients for 3 months. Among 12 patients with complete resolution, 58.3% (7/12) achieved clearance of whole MC lesions in 1 month, 16.7% (2/12) in 2 months, and 25.0% (3/12) in 3 months. Conclusion: Topical EPO may be considered as a noninvasive treatment option for MC in children.