http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
우상덕,김건하,김영진,남경필,Woo, Sang-Duck,Kim, Geon-Ha,Kim, Young-Jin,Nam, Kyoung-Phile 한국지하수토양환경학회 2010 지하수토양환경 Vol.15 No.5
Heavy metals in soils exist in various forms dependent upon surrounding conditions. As the Janghang smelter area is of concern for its high elevated heavy metal concentrations, Korean government decided to remediate the area. Main objectives of this research were; to analyze heavy metal concentrations and their existing forms in the vicinity of the smelter; and to understand differences made by analysis techniques of heavy metals. Top soils of rice field, crop field, bare field, and forestry in the area were sampled and analyzed for their physicochemical characteristics. Concentrations of Cu, Cd, Pb, and As were analyzed with two pretreatment techniques adopted using 0.1 N HCl and aqua regia. To analyze existing forms of heavy metals, Tessier's schemes for sequential extraction technique were adopted. Exchangeable fraction and carbonate bound fraction of heavy metals may pose potential threat to environment and were in the order of Pb > As > Cu > Cd. If assessing mobile fraction of heavy metals by land uses, the order was forestry > bare land > crop field > rice field. When analyzed using Tessier's scheme, high ratio of residual fractions to total arsenic concentration should be considered for remediation design of the area.
禹相悳 大韓法醫學會 1983 대한법의학회지 Vol.7 No.1-2
Electricity is a form of energy which under certain conditions can injure the body and cause death. The human body is a good conductor of electricity. In the pathway of an electric current, the maximal local injuries are usually produced at the skin sites of entry and exit, since the skin has the highest resistance to the flow of electrical energy. Electrical currents passing through the brain or the left side of the body and heart are more dangerous than pathways that bypass vital organs. Electrical burns, particullary those from alternating current, may be followed by paralysis of the respiratory center of ventricular fibrillation, or both. If patients die immediately, autopsy findings are limited to burns and generalized petechial hemorrhages.