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조희래 ( Hee-rae Cho ),김동진 ( Dong-jin Kim ),이진호 ( Jin-ho Lee ) 전북대학교 농업과학기술연구소 2016 농업생명과학연구 Vol.47 No.2
Remediation technologies for soils contaminated by heavy metals have been rapidly developed under various conditions of soils. Most contaminated soils are remediated with the combination of at least more than two proper technologies including physical, chemical, and biological remediation methods as well as phytoremediation. When the phytoremediation was applied to the contaminated sites, hyperaccumulators were generally planted with somewhat limitation. Thus, transgenic plants have been developed to replace the specific hyperaccumulators with limited applications. The important properties of transgenic plants for metal phytoremediation are much higher metal tolerance and accumulation than general hyperaccumulators. On the other point of view, the removed heavy metals and metal-contaminated mixtures as the second pollutants are produced during the soil remediation processes. Therefore, environmentally-friendly remediation technologies should be needed to reduce amounts of contaminated by-products and to increase the proper utilization of remediated soils.
Cone-Calorimeter와 연기밀도챔버를 이용한 고무발포단열재의 연기밀도 비교
조희기(Cho Hee-ki),이덕희(Lee Duck-Hee),이철규(Lee Cheul-Kyu),이동우(Lee Dong-Woo) 한국철도학회 2005 한국철도학회 학술발표대회논문집 Vol.- No.-
Kinds of Sound & Thermal Insulator are being used for materials of railroad vehicles as a barrier of heat and noise. Glass Wool, PE foam, PP foam are such kinds of materials. In case of fire, it shows various combustion properties. In this study, we compared the Smoke Density of the Rubber Foam Insulator by test between Cone-Calorimeter and Smoke Density-Chamber. The results showed that the Rubber Foam Insulator had an important role in the insulator thickness and the test method, We forecast the smoke density by test between Cone-Calorimeter and Smoke Density-Chamber.