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이원철,박정일,맹광호,Lee, Won-Cheol,Park, Jeong-Il,Maeng, Gwang-Ho 대한산업보건협회 1994 산업보건 Vol.72 No.-
역학연구에서 가장 기본적인 도구로 사용되는 것은 율(rate)이다. 이번 호에서는 인구집단에서의 질병 및 사망분포의 측정에서 흔히 사용되고 있는 유병률과 발생률을 중심으로 이들의 개념, 산출방식, 용도 등에 대하여 소개하고자 하였다.
치유환경개선을 통한 암 센터계획에 관한 연구 : 호스피탈 스트리트(Hospital Street)를 중심으로 focused on the Hospital Street
이원철,전동훈 대한건축학회 2000 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.20 No.2
The goal of this research is that planning cancer center which is centered hospital street. Actually hospital street is main axis of hospital which not only connecting that each functual composition but also satisfying environment, amenity and patients' life. Nowadays the meaning is increasing. Trends in health care, and cancer care in particular, increasingly the holistic care to prevention and education, linking research with clinical treatment in interactive facilities designed to provide patients with comprehensive access to a full range of treatments and services. Accordingly, research should be focussed on developing and addressing the human experience and developing a healing environment for all users, including patients, family members, and staff. In developing their solutions, I am also asked to research and design a facility that blurs the lines between the constructed and the natural, utilizing the given site to its fullest extent.
이원철,강성호,Paul A. Montagna,Inn-Sil Kwak 한국해양과학기술원 2003 Ocean and Polar Research Vol.25 No.3
The temporal dynamics of the meiofauna community in Marian Cove, King George Island were observed from January 22 to October 29 1996. Generally, 14 taxa of metazoan meiofauna were found. Nematodes were dominant comprising 90.12% of the community, harpacticoid 6.55%, and Kinorhynchs 1.54%. Meiofauna abundance increased monthly from January to May 1996, while varying in abundance after August 1996. Overall mean abundance of metazoan meiofauna was 2634 ind./10 cm2 during the study periods, which is about as high as that found in temperate regions. Nematodes were most abundant representing 2399 ind./10 cm2. Mean abundance of harpacticoids, including copepodite and nauplius was 131 ind./10 cm2, followed by kinorhynchs (26 ind./10 cm2). The overall abundance of other identified organisms was 31 ind./10 cm2. Other organisms consisted of a total of 11 taxa including Ostracoda (6 ind./10 cm2), Polycheata (7 ind./10 cm2), Oligochaeta (8 ind./10 cm2), and Bivalvia (6 ind./10 cm2). Additionally, protozoan Foraminifera occurred at the study area with a mean abundance of 263 ind./10 cm2. Foraminiferans were second in dominance to nematodes. The dominant taxa such as nematodes, harpacticoids, kinorhynchs and the other taxa were trained and extensively scattered in the map through the Kohonen network. The temporal pattern of the community composition was most affected by the abundance dynamics of kinorhynchs and harpacticoids. The neural network model also allowed for simulation of data that was missing during two months of inclement weather. The lowest meiofauna abundance was found in August 1996 during winter. The seasonal changes were likely caused by temperature and salinity changes as a result of meltwater runoff, and the physical impact by passing icebergs.
이원철,이민기 창원대학교 산업기술연구소 2001 産技硏論文集 Vol.15 No.-
Machine manufacture has been heavily influenced by the CAD technology. Integration of CAD and CAM is a important aspects manufacturing automation. The CAM system which can process graphic procedure from the geometric data developed with PC. The main program for the CAM can procedure C.L data from Auto CAD data file. The post processor for parallel-typed CNC machine was developed from C.L data.
이원철,이진희 한국역학회 2003 Epidemiology and Health Vol.25 No.1
Bias is the main problem that should be considered in epidemiologic research. Information bias caused by measurement error and confounding caused by total energy intake are listed as the main biases in nutritional epidemiology and the concept, fact and the methods for adjusting effects of these biases are discussed. The biases which can be caused during the nutritional epidemiologic research process are listed and discussed. The pros and cons of the continuous data categorical data of the nutrients and the ways how to categorize the data are reviewed. During the analysis of food and nutrient data, multiple comparison and publication bias are prone to be encountered, and these should be considered in interpretation of the results. Understanding of the biases will lead us to make valuable nutritional epidemiologic research and these lead the application of the research results to control the prevalent noncommunicable diseases.
이원철 가톨릭대학산업의학센타 산업의학연구소 1989 韓國의 産業醫學 Vol.28 No.1
여성근로자들의 직업성 암에 대하여는 거의 조사된 바 없었으며, 명백한 원인이 있는 경우 예를들면 radium dial painters 등과 같은 경우에 조사된 적이 있었다. 이외에도 다른 종류의 발암물질에 여성근로자들이 폭로되었을 것이 명백하나, 직업성 역학연구가 이루어져 왔던 관행때문에 여성근로자들은 연구집단의 대상에서 번번이 제외되었다. 최근 뉴욕주 Buffalo에 있는 Roswell Park Memorial Institute(Dccoufle 등, 1977)에서 백인들을 대상으로 직업성 암의 관련인자를 밝히기 위한 사례-비교군연구(retrospective study)가 시행되었다. 1956-1965년의 기간중에 암으로 진단받은 환자들의 직업력을 특정형태의 암과 연관하여 분석하였으며 비종양성 질환으로 진단된 환자들을 대조군으로 하여 이들의 직업력과 비교하였다. 이 연구에서는 연구집단의 역학적 제한성(병원기록을 기초로 했다는 점과 산제되어 있는 지역으로 부터 온 환자들을 대상으로 했다는 점) 으로 인해 암과 직업과의 연관성에 대한 일반적인 해석만이 가능하였다. 그러나 여성 근로자들에 대한 자료가 그간 너무나 없었기 때문에 이 연구는 비교집단이 대부분 사무직에 종사하는 여성근로자들로 구성되었다는 점에서 몇가지 정보를 제공해 주었다.