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김현준,염상철,안병기,김세훈,금영범 한국수소및신에너지학회 2015 한국수소 및 신에너지학회논문집 Vol.26 No.3
The interest of New Renewable Energy is increasing globally because of the increment of the uncertainty for the energy’s supply and demand, and the increment of the frequency in weather anomaly and its damages. One of the New Renewable Energies, Hydrogen receives attention as the future energy that can deal with global environment regulation. Fuel Cell Electric Vehicle (FCEV) is an environment-friendly vehicle that uses Hydrogen as fuel. The electric power for FCEV is generated by chemical reaction with Oxygen from the air and Hydrogen. Hyundai Motor Company (HMC) has developed a proprietary fuel cell system since 2005. In 2012, HMC is the first car maker that mass-produces the ix35 FCEV to the worldwide such as North America, Europe, etc. In order to develop and improve the FCEV technology, data acquisition and analysis of the driving vehicle information is essential. Therefore, the monitoring system is developed, which is consist of datalogger, Automatic Vehicle Location (AVL) server and main server. Especially, WCDMA technology is integrated into the system which enables the data analysis without any restriction of time and region. The main function of the system is the analysis of the driving pattern and the component durability, and the safety monitoring. As a result, ix35 FCEV has successfully developed by using the developed monitoring system. The system is going to take an advantage of development in the future FCEV technology.
Tris(malonato) Cobltate(Ⅲ) anion이 산성용액에서 水化反應速度에 대한 溫度와 壓力의 影響
李相協,廉祥徹,林鍾完 慶北大學校 1984 論文集 Vol.38 No.-
The Kinetics of tris (malonato) Cobaltate (Ⅲ) anion in aquation reaction was carried by spectrophotometric method. Themperature range was 20°to 30℃ and pressure was varied up to 1500 bars. The rate constants were increased with increasing temperature, but were decreased.. with increasing pressure. Activation volume, energy, other activation parameters were reported.
Tris(malonato)Cobltate(Ⅲ) anion이 산성용액에서 水化反應速度에 대한 溫度와 壓力의 影響
李相協,廉祥徹,林鍾完 慶北大學校 物理化學硏究所 1985 硏究論文集 Vol.6 No.-
The Kinetics of tris (malonato) Cobaltate(Ⅲ) anion in aquation reaction was carried by spectrophotometric method. Themperature range was 20˚ to 30℃ and pressure was varied up to 1500 bars. The rate constants were increased with increasing temperature, but were decreased with increasing pressure. Activation volume, energy, other activation parameters were reported.
산림자원관리정책이 국내재공급에 미치는 영향에 관한 연구
윤여창(Yeo Chang Youn),염상철(Sang Cheol Yum) 한국산림과학회 1992 한국산림과학회지 Vol.81 No.4
The objective of this study is to evaluate the impacts on the domestic timber supply potential of forest resources management policies such as the extention of forest management infrastruture and setting aside more forest lands for the provision of environmental goods. To this end, the domestic timber supply functions were estimated using time series data for the period 1970-1990 and were used to predict the future trends in timber production in the Republic of Korea. For this purpose, a set of scenarios based on the forest road density and forest inventory growth were designed for the next 40 years. The timber supply behavior in Korea was found to be different by species group : domestic supply of softwood roundwood is inelastic with respect to its ovum price while that of hardwood elastic. The effect of forest road construction on the domestic timber production seems to be insignificant yet. The model simulation aided by policy scenarios revealed that the future timber supply potential will be largely restricted if the policy option with emphasis on the provision of environmental goods from the forest resources were adopted.