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전상호,이해금 한국물환경학회 1986 한국물환경학회지 Vol.2 No.2
Pollution potential of bottom mud on overlying water quality at a site of Gongjichon area in Lake Uiam is investigated. The bottom mud is classified as bioturbated layer, sand layer, and reduced layer by texture, color, and organic activity. The bottom mud has high organic carbon content, low C/N ratio in bioturbated layer, little organic carbon content in sand layer, and moderate organic carbon content, high C/N ratio in reduced layer. This shows that fresh organic matter is accumulated in the bioturbated surface layer, and degradation of organic matter is more complete in the deeper part of the mud, and bioturbated layer has high pollution potential on overlying water.
衣岩湖堆積物의 間隙水에 함유된 Cu++ 의 垂値分布와 그 移動에 대하여
전상호 한국지구과학회 1984 韓國地球科學會誌 Vol.5 No.1
Vertical distribution of interstitial Cu^(++) contents of bottom sediments, upward benthic flux and oxidation zone flux are measured from the sediments at a site of Gongjichon area, Lake Uiam. Interstitial Cu^(++) contents show a pronounced maximum at water-sediment interface, and linear decrease to the depth of 9 cm at which anoxic sediments begin to occur, which cause an upward benthic flux and oxidation zone flux of interstitial Cu^(++). The depths of minimum interstitial Cu^(++) content show those of maximum sediment Cu^(++) content from which we presume the vertical flux and inter-species exchange of elements in the sediment layer. In oxic zone, interstitial Cu^(++) contents correlate very well with total organic matters, and total organic matters with mean particle size. These facts suggest that the amount of interstitial Cu^(++) contents are mainly controlled by the amounts of organic matters supplied to the sediment when they were deposited rather than by the post-depositional processes in the sediment layers. Upward benthic flux to the overlying water and oxidation zone flux to the interface of oxic and anoxic zone are 5.2×10^(-9)μ㏖·㎝^(-2)·sec^(-1), 0.1×10^(-9)μ㏖·㎝^(-2)·sec^(-1), respectively.
전상호,박길옥,김휘중,정병학 한국자연보호학회 2009 한국자연보호학회지 Vol.3 No.1
A study on the possibility of recycling by solidification using tailings from abandoned metal mine were studied. The study was carried out on testing compressive strength of concrete made by different ratio of various mine tailing, chemical speciation of Cd, Cu, Pb and Zn in the tailing by sequential extraction procedure and SPLP leaching test. Mixing of mine tailings with cement or asphalt and aging of mortar gave strong influence on compressive strength of concrete. Marshal's stability of asphalt with tailing waste were higher of 98.0~101.0% than not added one. Therefore it was recommended to use of the tailings to low the infiltlation of the water to protect the bank in the abandoned mine region. Total metals in concrete and asphalt with tailing waste were lower than that of tailing waste. The amount of adsorbed fraction and carbonate fraction which were labile in the aquatic environment were very lower in the concrete and asphalt specimen than mine tailing waste.Leachabilityof studied metals are under the waste management standard.
전상호,이인선,이향숙,채윤병,Jeon, Sang-Ho,Lee, In-Seon,Lee, Hyangsook,Chae, Younbyoung 경락경혈학회 2019 대한침구의학회지 Vol.36 No.4
Objectives : As acupuncture treatment has been widely practiced in many countries around the world, clinical trials of acupuncture treatments also have become popular. The objective of the study was to explore the trends of research investigating the effect of acupuncture treatment in clinical trials using a bibliometric approach, a quantitative analytical methods. Methods : Publications related to clinical trials using acupuncture from 2000 to 2019 were retrieved from the Web of Science database. Extracted articles were analyzed in terms of publication year, country, journal, research area, organizations and authors. Trends in research on acupuncture in clinical trials were visualized using the VOSviewer program. Results : A total of 3,166 articles of acupuncture clinical trials published from 2000 to 2019 were identified and analyzed. The country producing the most articles in this field was USA followed by China, England, South Korea, and Germany. A network analysis based on the co-occurrence of keywords showed following three clusters: clinical studies, pain management studies, and methodology studies. Conclusions : This study provided a macroscopic overview of research in acupuncture clinical trials. These findings provide an expansive strategy for researchers in this field to cooperate with other researchers or organizations.
전상호,박선화,송다희,황종연,김문수,조현제,김덕현,이경미,김기인,김혜진,김태승,정현미,김현구 한국토양비료학회 2017 한국토양비료학회지 Vol.50 No.5
To establish new metal groundwater standard, 5 metals such as aluminum, chromium, iron, manganese, andselenium were evaluated by Chemical Ranking Of groundWater pollutaNts (CROWN) including possibilityof exposure, toxicity, interest factor, connection standard for other media, and data reliability. 430groundwater samples in 2013 and 2014 were collected semiannually from 110 groundwater wells and theywere analyzed for selenium, manganese, iron, chromium, and aluminum. For this study, 430 groundwatersamples were categorized into 3 geological distribution features, such as igneous, metamorphic, andsedimentary rock region and geological background levels were divided by pre-selection methods. For theresults, the average concentrations of aluminum, chromium, iron, manganese, and selenium in 430 groundwatersamples were 0.0008 mg L-1, 0.0001 mg L-1, 0.174 mg L-1, 0.083 mg L-1, and 0.0004 mg L-1, respectively. Inaddition, among various geologies, average concentration of selenium was the highest in igneous rock region,average concentrations of chromium, manganese and aluminum were the greatest in sedimentary rock region,and average concentration of iron was the most high in metamorphic rock region. As a result of the geologicalbackground concentration with pre-selection method, background concentrations of selenium and aluminumin groundwater samples were the highest from sedimentary rock as 0.0010 mg L-1 and 0.0029 mg L-1 andbackground concentrations of manganese and iron in groundwater samples were the greatest from metamorphicrock as 0.460 mg L-1 and 1.574 mg L-1, and no chromium background concentration in groundwater sampleswas found from all geology.