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김흥식,이동녕 대한금속재료학회(대한금속학회) 1978 대한금속·재료학회지 Vol.16 No.4
Relief of residual stresses in 2024 aluminum alloy bars developed by quenching in hot water (68℃) from a solution treating temperature of about 490℃ has been studied. Various combinations of solution treatment, uphill quench, T-6 and T-4 aging treatments have been examined to find out a optimum relief condition. A new method of uphill quench has been developed, which uses boiling trichloroethylene instead of conventional high pressure vapor. The best result, in which 80% of the residual stress was relieved, has been obtained when solution treated specimen was immediately uphill quenched to boiling trichloroethylene, followed by T-6 aging. Plastic stretching :as a method of stress relief has also been studied.
김흥식,백승완,신상욱,김해규,정규섭,김인세 대한마취과학회 1998 Korean Journal of Anesthesiology Vol.35 No.3
Background : Although epidural block has been widely used to control post operative pain, still there are many problems to be solved such as inadequate pain control and difficulty in its techniques. Subarachnoid morphine and clonidine injection also has been used to control postoperative pain and as adjuvant to spinal anesthesia. We compared subarachnoid morphine or morphine and clonidine injection with epidural morphine and bupivacaine injection for postoperative pain control. Method : The effect of the different types of postoperative pain control method in low abdominal surgery were investigated. 30 patients were randomly divided into one of three groups; single intrathecal morphine injection (group M), single intrathecal morphine and clonidine injection (group M/C) and continuous epidural morphine and bupivacaine injection (group M/B) prior to induction of general anesthesia. Visual analogue scale (VAS), Prince-Henry Hospital score (PHS), patient satisfaction score and the side effects were investigated at emergence, 1, 2, 4, 8, 12, 24 and 48 hours after emergence of anesthesia. The blood pressure and heart rate were monitored 0, 5, 10 and 30 min, 1, 2, 24 and 48 hours after block for monitor the hemodynamic changes. Result : In group M/C, the VAS showed statistically significant decrease till first 24 hours after block and in group M/B after then (p<0.05). PHS and patient satisfaction scores were similar in all groups. The side effects, pruritis and nausea, by the opioids were more frequent in subarachnoid groups versus epidural group but that were tolerable without medication in most cases. In spite that systolic and diastolic blood pressures and heart rate were significantly low (p<0.05) in group M/C, there were no severe hypotension or bradycardia that need treatment. Conclusion : From these results, it seems that intrathecal morphine and clonidine combination therapy can be used as an another choice for postoperative pain control in low abdominal surgery. (Korean J Anesthesiol 1998; 35: 523∼530)
공동주택 급배수 설비소음의 실태 및 저감방안에 관한 연구
김흥식,지용균,윤세철,Kim, Heung-Sik,Ji, Yong-Kyoun,Yoon, Se-Cheol 한국음향학회 1990 韓國音響學會誌 Vol.9 No.4
As the results of actual survey of indoor noise in apartment houses, it represents that plumbing noise and floor impact noise are most unsatisfactory factors to inhabitants. In this paper, the actual condition of plumbing noise in apartment houses was measured and the methods of plumbing noise reduction are suggested. For these suggestions, the actual survey of plumbing noise and the model test on structure-borne sound of water supply pipe and drain sound were carried out. 급 배수 설비소음은 공동주택 내부소음의 설문조사 결과, 상하층간 바닥충격음과 함께 거주자에게 두드러진 불만요소로써 나타나고 있다. 본 연구에서는 이러한 공동주택 급배수 설비소음의 실태를 측정하고 실태조사와 급수관의 고체전달음 및 배수음의 저감 모델 실험 결과를 중심으로 급배수 설비소음에 관한 공법상의 저감방안을 제시하였다.
김흥식,정진형,최명수,안정근,김상규,김종대,전주영 ( Heung Sik Kim,Jin Hyung Jeong,Myung Soo Choi,Jung Geun An,Sang Gyu Kim,Jong Dae Kim,Chu Young Chun ) 한국환경영향평가학회 1998 환경영향평가 Vol.7 No.1
The present study was performed to improve the Environmental Impact Assessment system by comparing and analysing EIA systems for Residential Developments in the light of the business practice. For the improvement of EIA system, future strategies from each of three part ; the organ of approval(Construction&Transportation Dept.) for residential developments, the organ of consultation(Environment Dept.) for EIA and a developer(Korea Nation Housing Corp.), were analysed, and EIA systems and the processes of Residential developments were analysed. Results from the analysis of problems have provided a proposal for improvement of the Environmental Impact Assessment.
김흥식,곽대훈 한국과학수사학회 2016 과학수사학회지 Vol.10 No.2
본 연구의 목적은 일상활동이론과 생활양식이론을 바탕으로 특정한 일상행동 및 생활양식이 범죄피해 위험성에 미치는 영향을 실증적으로 분석하고자 하였다. 이를 위해 한국형사정책연구원과 통계청이 공동으로 실시한 전국범죄피해조사(2012) 통계자료를 이용하여 범죄피해 위험성을 검증하였다. 본 연구의 주요결과에 따르면, 폭력범죄의 경우 피해자가 만취귀가를 하거나 고가브랜드 및 명품 의류를 착용하는 것이 범죄피해 확률은 유의미한 정의 관계를 형성한 반면 회피행동은 부정적인 영향을 미치는 것으로 조사되었다. 재산범죄의 경우에는 10시 이후 늦은 귀가 패턴이 재산범죄 피해의 확률을 높이는 것으로 보고되었다.