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정영수 ( Jeong Young Soo ),최영택 ( Choi Young Taeg ),차기혁 ( Cha Ki Hyuk ),김인태 ( Kim In Tae ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.2
The importance of maintenance in steel structures is to be emphasized according to increase of their service time. To protect the corrosion damages, the repainting on steel bridges are usually applied every 10 to 13 years by visual inspection. However, the coating durability was rapidly decreased by airborne salt under marine environment. In this study, the time-dependence deposited salts were measured at several types and locations of structural member in marine bridge.
김기혁 ( Kim Gi-hyeok ),최영택 ( Choi Young-taeg ),정영수 ( Jeong Young-soo ),김인태 ( Kim In-tae ) 한국구조물진단유지관리공학회 2019 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.23 No.2
해상 강교량은 특성상 혹독한 부식환경에 가설되어 있으며 장기간 공용중인 강구조물의 경우 염분에 의한 부식손상과 도막노화로 구조물의 정기적인 보수도장이 필요하다. 또한 부식손상과 도막노화, 온습도, 비래염분등의 다양한 원인에 의하여 발생된다. 하지만 도막표면에 부착되는 염분량은 비래염분량의 영향뿐만 아니라 구조형식 및 강우 유무에 따라 변화하게 되며, 해상강교량에서 12개월간 도막표면에 부착되는 염분량을 측정 하였다. 그리고 구조형식에 따라 누적 부착염분량의 차이로 도막노화 및 부식손상의 속도가 다르게 나타날 수 있으며, 보수도장을 위한 의사결정 과장에 기초자료로 활용할 수 있다.
정신분열병환자와 기질성뇌증후군환자에 있어서 KWIS 하위검사들의 비교
최영택,박영남,정철호 大韓神經精神醫學會 1989 신경정신의학 Vol.28 No.3
In order to compare the cognitive functions between schizophrenia and organic brain syndrome, the authors performed Korean Wechsler Intelligence Scale(KWIS) for 30 schizophrenics and 30 patients with organic brain syndrome. Schizophrenics had significantly higher scores than patients with organic brain syndrome on the subscales of 'information', 'similarities' and 'block design' of KWIS, but no significantly differences were found between the two groups on the subscales of 'comprehension','arithmetic' and 'picture arrangement' of KWIS. These findings suggest that schizophrenics might be less impaired than patients with organic brain syndrome in the cognitive functions which required only simple memory or spontaneous visuomotor task, but there seemed to be no differences between two groups in those cognitive functions which required more complex, abstract and logical thinking or sustained attention.
정신분열병 환자의 양극성 정동장애 환자에 있어서 인지기능장애의 비교
최영택,박영남,하재창 大韓神經精神醫學會 1988 신경정신의학 Vol.27 No.4
In order to compare the cognitive functions between schizophrenia and mania, the author administered mini-mental state (MMS), mental test score(MTS) and Korean Wechsler intelligence scale(KWIS) for 30 schizophrenic and 20 manic hospitalized patients. No significant diffrences were found between schizophrenic patients and manic patients on the scores of MMS and MTS. Schizophrenic patients had significantly lower scores than manic patients on the subscales of 'comprehension' 'arithmetic', 'similarities' and 'picture arrangement' of KWIS, but no significant differences were found between both groups on the subscales of 'information' and 'block design' of KWIS. These findings suggested that schizophrenic patients might be more impaired than manic patients on the cognitive functions which required more complex, abstract and logical thinking or sustanied attention, but those cognitive functions which required only simple memory of spontaneous visuomotor tasks might not be so impaired.