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유기인계 살충제 중독에서 혈액지질농도와 중증도와의 연관성
한대근,김동환,박용진,김선표,김성중 대한응급의학회 2014 대한응급의학회 학술대회초록집 Vol.2014 No.2
The purpose of this study is to compare clinical severity with blood lipids level of the organophosphate insecticide intoxicated patients We analyzed data among 88 patients who visited on emergency room from January, 2008 to July, 2014. This study was conducted retrospectively using blood test results and progress notes. The contents of data were the sort of organophosphate insecticide, ingesting dose, vital sign on emergency room, blood lipid levels, electrocardiographic finding and hospital course. For lipid solubility, octanol/water coefficient was used. 48 patients ingested highly lipophilic organophosphate insecticide among total 88 patients who are intoxicated organophosphate insecticide. There were statistically significant between cholesterol level and duration of ventilator care, intensive care unit care, between triglyceride level and hospitalized period. As cholesterol and triglyceride level of patient was higher, the prognosis was worse. In this study, blood cholesterol and triglyceride levels in highly lipophilic organophosphate insecticide intoxicated patients are useful predictable factors for prognosis.
한대근,정호선,이우일 경북대학교 공과대학 1986 工大硏究誌 Vol.15 No.-
The control part of CMOS single chip micro-computer has been designed and simulated with GLOG. The circuits have been implemented using SPICE simulator. Results of logic simulation and circuit simulation were in good agreements with expected circuit characteristics.
Blood Lipid Profile as a Prognostic Factor in Patients with Organophosphate Poisoning
한대근,김동환,박용진 대한응급의학회 2016 大韓應急醫學會誌 Vol.27 No.1
Purpose: The purpose of this study is to compare clinical outcomes with blood lipids level and lipid solubility of organophosphate-poisoned patients. Methods: Data from 88 patients who visited the emergency room from January 2008 to July 2014 were analyzed. This study was conducted retrospectively using blood test results and progress notes. The contents of data included the type of organophosphate herbicide, ingesting dose, vital signs on emergency room, blood lipids level, electrocardiographic finding, and hospital course. For lipid solubility, octanol/water coefficient was used. Results: Among a total of 88 patients with organophosphate herbicide intoxication, 48 patients ingested high lipophilic organophosphate. There were statistically significant between cholesterol and duration of ventilator care. And there was a trend toward significance between cholesterol and intensive care unit, total admission stay, between triglyceride and total admission stay. As cholesterol and triglyceride level of patient was higher, the prognosis was worse. Conclusion: In this study, blood cholesterol and triglyceride levels in high lipophilic organophosphate herbicide intoxicated patients are useful predictable factors for prognosis.
Efficient Beam-Training Technique for Millimeter-Wave Cellular Communications
구본우,한대근,조용수 한국전자통신연구원 2016 ETRI Journal Vol.38 No.1
In this paper, a beam ID preamble (BIDP) technique, where a beam ID is transmitted in the physical layer, is proposed for efficient beam training in millimeter-wave cellular communication systems. To facilitate beam ID detection in a multicell environment with multiple beams, a BIDP is designed such that a beam ID is mapped onto a Zadoff–Chu sequence in association with its cell ID. By analyzing the correlation property of the BIDP, it is shown that multiple beams can be transmitted simultaneously with the proposed technique with minimal interbeam interference in a multicell environment, where beams have different time delays due to propagation delay or multipath channel delay. Through simulation with a spatial channel model, it is shown that the best beam pairs can be found with a significantly reduced processing time of beam training in the proposed technique.
임형철,한대근,정희웅 대한건축학회지회연합회 2013 대한건축학회연합논문집 Vol.15 No.3
건설 사업이 점차 대형화, 복잡화 됨에 따라 건설 사업을 체계적으로 관리하고 향후 유사 사업 계획에 반영하기 위한 목적으로 건설 현장에서 발생되는 정보를 축적, 가공하여 활용하기 시작하였으며, 이와 함께 건설 정보기술 시스템에 대한 관심 및 중요성이 증대되고 있다. 대형 건설업체가 건설 정보기술 시스템을 지속적으로 개발, 개선하는 것과 함께 건설관련 IT업계가 건설 업무 관련 소프트웨어를 개발하기 시작 하였으며, 이로 인해 건설업계에서의 정보기술 시스템 개발 및 적용 범위는 점차 확대 되고 있는 추세이다. 하지만 기능 위주의 구축과 단순 입출력 업무 및 데이터 흐름에 초점을 둠으로써 업무 프로세스 관리와 정보기술의 지원이 분리되는 현상이 발생하였다. 이에 본 연구는 건설 현장업무 프로세스 중 정보지원이 아주 미비한 음영업무를 도출하기 위해 건설 현장업무 프로세스에 대한 정보기술지원도를 분석하여 현장업무 프로세스 및 세부업무에 대한 개선우선순위를 도출하고자 하고 각 현장 업무에 대한 개선방향을 제시하고자 한다.
영향요소 분석을 통한 공동주택 하자관리 업무개선에 관한 연구
이근호,임형철,한대근 대한건축학회지회연합회 2012 대한건축학회연합논문집 Vol.14 No.3
공동주택은 입주민 모두가 건물 주인이므로 다른 공사에 비해 하자에 대한 민원 제기가 빈번하게 발생하고 있는 실정이며 이중 일부는 하자라고 판단하기 어려운 부분도 많이 있다. 그러나 이와 같은 하자 분쟁은 국가적으로 사회적 경제적 손실이 크다고 할 수 있으므로 이를 예방하기 위한 차원에서 이미 하자에 관한 수많은 연구가 진행되어 하자의 유형 분석이나 하자관리 등에 관한 논문이 많이 기술되고 있다. 따라서 본 연구에서는 입주 전 하자 발생의 원인을 찾아 입주 후 하자가 발생하지 않을 수 있도록 국내공동주택에서 발생된 하자사례를 유형별로 조사하여 하자의 주요원인에 대한 요소들을 도출하였다. 실태조사에서 도출된 주요하자원인과 관련된 연구사례들의 문제점 및 개선요소를 분석하여 영향요소 분석을 통한 공동주택 하자관리 업무개선방안에 대해 설계회사, 시공사, 협력업체, 감리회사에 대한 설문조사를 실시하여 상대적 중요도를 선정하였으며 우선순위를 통하여 업무절차개선이나 지침 등에 활용될 수 있도록 하였다.
The influence of a pesticide poisoning pattern by prohibition of paraquat sales
박찬중,조수형,한대근,박용진 대한응급의학회 2015 대한응급의학회 학술대회초록집 Vol.2015 No.2
Introduction: Since a lot of people died by high concentrated paraquat which has extremely high fatality rate, sales were prohibited in 2012 in Korea. We investigated to find out how the prohibition of sales affected occurrence of pesticide poisoned patients and what kinds of influences did it have for severity and death rate. Material & Methods: By targeting patients who visited emergency room by pesticidepoisoning from 2010 to 2014, we researched insecticides poisoned patients and herbicidal poisoned patients grouped into 10 categories. Before and after 2012, We compared A term (2010, 2011) and B term (2013, 2014)’s pesticide occurrence, especially distribution of herbicide occurrence and compared hospitalization rate, hospitalization period, length of stay in ICU (Intensive Care Unit), severity, and death rate. Results: In case of paraquat, there was 29.8% decrease by 104 people for A term and 31 people for B term and increase of double for glyphosate, glufosinate, and other herbicides. The death rate was decreased but hospitalization was increased. There weren’t any difference of rate in ICU admission, intubation and ventilator therapy. Conclusion: By prohibition of using paraquat, the death rate by pesticide poisoning was decreased. However, patients who poisoned by other herbicides were increased, so hospitalization rate increased and there weren’t any difference at patient’s severity rates.