http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : 鄭秉愚 (검색결과 79 건)
- 무료
- 기관 내 무료
- 유료
-
-
-
정병우,장호면,김주형,김재원,김재준 대한건축학회 2007 大韓建築學會論文集 : 構造系 Vol.23 No.4
The enterprise information technology(IT) and system(IS) is widespread efficient method to be able to manage competitiveness increase and the rapidly changing enterprise circumstance, for the entire domestic firm's, keeping pace with the information times of ubiquitous society of the IT/IS. Recently, the environment change of the construction industry needs to secure the technological competitiveness increase and simultaneously construction IT/IS and therefore the construction industry, getting large-sized and complex, applied with the IT/IS will increase to have efficient competitiveness. But because the construction firm’s investment for information technology is conservative behavior than the others, the investment circumstance of the construction firm's should be changed in better way. With evaluate the IT/IS of the construction firm by measuring their IT/IS induction status, their IT/IS investment circumstance and the IT/IS investment effect, this research presents fundamental information of the IT/IS forwarding strategy and supporting policy establishment by analyzing the correlation between the IT/IS and the construction firm's performance.
-
-
정병우,정영철 대한건축학회 2023 대한건축학회논문집 Vol.39 No.11
본 연구는 최근 건축공사 사고가 발생하면서 건축시장 감리업무 전반에 대한 사회적 불신이 확산됨에 따른 감리업무의 내실화를 위한 감리 역량과 제도 개선을 위한 연구이다. 감리자는 건축물이 완공될 때 까지 관련 법령에 대한 준수여부와 설계도서의 내용대로 시공되는지의 여부 확인, 품질관리, 공사관리, 안전관리 업무를 수행해야 하는 의무가 있다. 하지만 감리원의 전문성 부족, 감리대가의 비현실화, 관련법에 의한 감리제도의 강화 등의 요인으로 원활한 감리업무 수행의 어려움을 겪고 있다. 이에 감리업무의 질적 향상을 위하여 건축공사 감리에 대한 관련 법령과 선행연구 분석, 개별법에 따른 감리대가기준 조사·비교, 감리수행 사례 등을 통하여 현재 운영 중인 감리업무 형태와 제도에 대한 문제점을 분석하고 감리업무 역량강화, 감리대가 및 배치기준 현실화, 개별법에 따른 제도에 대하여 개선방향을 제안하였다. This study is aims to enhance the effectiveness of architectural supervision in response due to a series of recent construction accidents, whichhave eroded trust in the overall supervision process. The role of a supervisor involves ensuring that buildings meet legal requirements andadhere to the design specifications. and they are responsible for managing quality, construction, and safety throughout the project's duration. However, several challenges hinder a smooth supervision process, including supervisor aging and expertise, service fees, and regulatorysupport. To address these issues, this study evaluates existing practices, reviews relevant regulations and prior research on constructionsupervision, Study on the standards for education and training of supervisors, analyzes supervision fees under different laws, and examinescase studies of supervision performance. These assessments lead to recommendations to improve supervision effectiveness, establish reasonablesupervision fees and engineers deployment plan, and enhance the regulatory framework to elevate the quality of supervision work.
-
백서의 가역성 뇌허혈 모형에서 재관류 시간에 따른 뇌경색 크기의 변화
정병우,최병연,조수호,김오룡,배장호,김성호,Jung, Byoung Woo,Choi, Byung-Yon,Cho, Soo-Ho,Kim, Oh-Lyong,Bae, Jang-Ho,Kim, Seong-Ho 대한신경외과학회 2000 Journal of Korean neurosurgical society Vol.29 No.9
Objective : The purpose of the present study was to determine the appropriate time of clinical intervention by observing and analyzing the changes in the size of infarct, penumbra and cerebral edema and the extend of neurological deficit due to reperfusion damage according to time in a reversible cerebral ischemic model of reperfusing blood flow after inducing ischemia by maintaining middle cerebral artery occlusion for 2 hours(h) in rats. Methods : The rats were divided according to reperfusion time into control group(0 h reperfusion time) and experimental groups(0.5, 1, 2, 3, 4, 5, 6, 12, and 24 h of reperfusion time). Results : Changes in the size of infarction due to reperfusion damage were 0.93, 1.48 and 1.16% at 0.5, 1 and 2 h after reperfusion, respectively, and although a statistical significance was not present compared to 1.35% of the control group, damages increased drastically up to 6 h(6.64%), and the size increased were 6.65 and 6.78% at 12 and 24 h, respectively. Also there was no significant difference after 6 h up to 24 h in the size of infarction. In the areas where infarction occurred, reperfusion damage increased significantly with time in cortex than in subcortex. Accordingly, the size of penumbra area also showed a statistically significant decrease from 2 h up to 6 h after reperfusion, and 6 h after reperfusion, the area almost disappeared, becoming permanent infarction. Thus, reperfusion damage showed a significant increase from 2 h up to 6 h after reperfusion, and became steady thereafter. As for the mean ratio of the extend of cerebral edema, the control group and reperfusion 0.5 h group were 1.073 and 1.081, respectively ; up to 2 h thereafter, the ratio decreased to 1.01 but increased again with time ; and in reperfusion 12 h and reperfusion 24 h, the ratios were 1.070 and 1.075, respectively, showing similar size with that of control group. As for neurological deficit scores, the score of the control group was 2.67, that of reperfusion 2 h was 2, those of reperfusion 3 h and 6 h groups were 3.2 and 3.8, respectively, and those of reperfusion 12 h and 24 h groups were 4.2 and 4.6, respectively. Thus, as for the test results, the neurological deficit increased with time 2 h after reperfusion, and in reperfusion 12 and 24 h groups, almost all the symptoms appeared. Conclusion : As shown in these results, although the changes in the size of infarction due to reperfusion damage did not increase up to 2 h after reperfusion in the experimental groups compared to the control group, damage increased significantly thereafter up to 6 h, and the size remained about the same from 6 h to 24 h after reperfusion, becoming permanent infarction ; thus, the appropriate time of intervention according to the present study is at least 6 h before after maintaining reperfusion, including the time of cerebral artery occlusion.
-
-
정병우,노창균 해양환경안전학회 2013 해양환경안전학회 학술발표대회 논문집 Vol.2013 No.04
우리나라는 1993년 포항항 VTS 센터를 시작으로 전국의 주요 항만과 연안, 내륙수로에 세계적 수준의 VTS 시스템을 구축하여 운영 중에 있다. 하지만 높은 수준의 VTS시스템을 가지고 있음에도, 국제사회에서 VTS 업무협력 및 정책 홍보 등의 활동력은 상대적으로 빈약한 편이다. 현재의 우리나라 VTS의 조직, 예산, 인력 측면의 문제점을 살펴보고 향후 국제 VTS에서 주도적 역할과 위상제고를 위한 개선점을 살펴 보았다. South Korea has operated the world-class VTS system at the major nationwide harbors, coasts and inland waterways since the beginning of VTS Center at Pohang Harbor in 1993. However, despite the high level of the VTS system, our activity capacity..
-
-
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
