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탄소세가 농업부문에 미치는 일반균형효과 분석 - 생산 및 후생효과 -
장재봉(Jae Bong Jang),권오상(Oh Sang Kwon) 한국농업경제학회 2001 農業經濟硏究 Vol.42 No.3
The purpose of this study is analyzing the general equilibrium impacts of imposing carbon tax on the Korean economy. A CGE model that emphasizes agricultural sector has been constructed. The production and welfare effects of imposing carbon tax are derived. The effects of imposing three different tax rates, 20,000 won, 50,000 won and 100,000 won per ton of carbon have been analyzed. The model shows that outputs of vegetables, fruits, processed foods, and agricultural chemicals will decrease substantially while those of rice and animal products will increase responding to the tax. Even though the tax revenue is refunded to consumers, 3,896~14,983 billion won of welfare loss arises due to the tax.
화재로 인해 성능저하된 콘크리트의 물성변화에 관한 실험적 연구
장재봉 ( Jang Jea Bong ),송민섭 ( Song Min Seob ),윤종기 ( Yoon Jong-kee ),김용로 ( Kim Yong Ro ),권영진 ( Kwon Young Jin ),김무한 ( Kim Moo Han ) 한국구조물진단유지관리공학회 2003 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.7 No.2
In this study, normal and high strength concrete were made according to kinds of aggregate, admixture and water-binder ratio, and than exposed to a high temperature environment on the assumption that species were fired separately for 30 and 60 minutes with Standard Time-Temperature Curve. And fundamental data for the character change of concrete heated highly were presented by measuring characters of explosive spalling, ultrasonic pulse velocity and compressive strength before and after heating, after 1 and 3 months. It is intended to present data for the exact diagnosis, repair and reinforcement system of the deteriorated concrete heated highly.
장재봉 ( Jae Bong Jang ),박옥란 ( Ok Ran Park ),윤택은 ( Taek Eun Yun ) 한국정체경락학회 2010 한국정체경락학회지 Vol.2 No.1
본 연구는 활성산소의 특성과 신체활동 중 활성산소의 생성 기전을 설명하고, 활성산소로 인해 발생되어지는 노화의 관계를 분석, 이의 방어 체제인 항산화제 기능에 대해 고찰하였다. 고강도 신체활동으로 인한 지나친 산소의 섭취는 인체 내에서 에너지 대사에 필요한 산소와 균형이 깨어져 불안정한 화학구조를 가진 활성산소를 생성한다. 특히 손상노화이론에 입각해 보면 활성산소는 노화의 주요 원인이며 만병의 근원이 된다. 그러나 우리 인체 내에는 이에 대응하는 SOD, CAT, GPX와 같은 항산화 효소 방어체제가 활성산소를 물이나 완전한 산소로 반응시켜 에너지원으로 사용할 수 있도록 하며, 그 외의 비타민, 무기질 등의 항산화제는 활성산소의 해독제와 같은 역할을 한다. The relationship of free radical-induced physical performance, aging and antioxidants have been reviewed as they pertain to wellness. Mechanism of free radical formation and antioxidants were presented, and certain diseases from oxidative stress were shown to be implicated in promoting aging. These limited illustrations of free radical-induced exercise, aging and antioxidants are evidence that the property of intensity and duration. Exercise is important not only keeping human health and physical fitness from oxidative stress, but also for the maintenance of wellness and life. Even though exercise may induce free radical, physical performance is essential for human wellness if we are to select exercise condition properly.
화재로 인해 성능저하된 콘크리트의 물성변화에 관한 실험적 연구
장재봉(Jang Jea Bong),송민섭(Song Min Seob),윤종기(Yoon Jong Kee),김용로(Kim Yong Ro),권영진(Kwon Young Jin),김무한(Kim Moo Han) 한국구조물진단유지관리학회 2003 한국구조물진단학회 학술발표회논문집 Vol.- No.-
In this study, normal and high strength concrete were made according to kinds of aggregate, admixture and water-binder ratio, and than exposed to a high temperature environment on the assumption that species were fired separately for 30 and 60 minutes with Standard Time-Temperature Curve. And fundamental data for the character change of concrete heated highly were presented by measuring characters of explosive spalling, ultrasonic pulse velocity and compressive strength before and after heating, after 1 and 3 months. It is intended to present data for the exact diagnosis, repair and reinforcement system of the deteriorated concrete heated highly.