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신판세,정장표 慶星大學校 1998 論文集 Vol.19 No.2
It is necessary to establish the reasonable management plans for controlling level of suspended particulate matter that source profile characterization for the suspended particulate matter are analyzed and identified. Therefore, in this study, emission inventory for the sources emitting particulate matter in Pusan area, was made and assessed through investigation and analysis and source profiles which are considered to be important information to identify the relationship between source and receptor, were developed and arranged through the comparison of related of related source profile data. From this study, the following conclusions were obtained. 1. The concentrations of TSP in Pusan were showed higher in winter and spring than in summer and autumn and the concentration and emission quantity of TSP had a close relationships. (r=0.7693) 2. The concentration of the emission quantity of TSP from the regions of Buk-Gu and Saha-Gu was dominant and calculated as 83% of total emission quantity of TSP in Pusan and the variation of that showed less than of the other regions. 3. The larger the fraction of area occupied by building and residential house was, the higher variation of TSP concentration showed. 4. In the fact that the fractions of Al, Si, K, and Ca were showed high, while that of Com Mo, and Cd were showed low, it was exist, and it was remarkable that high fraction of Cl was calculated in transportation source profile of Pusan. 5. From the results of developed source profiles for the selected point sources, it was obtained that the composition fractions of K, Na, and Ca were showed high while those of Co, Se, Mo and Ti were calculated low. And as the scale of emission facility goes larger, the composition fractions showed higher, especially this trend was showed more in alkali and alkaline-earth metals such as K, Mg, and Ca. 6. By the kind of vehicle, speed pattern and sampling place for the source profile of transportation, and used fuel, emission facility, the kind and the scale of industry for that of point sources, it was identified that the source profiles were different from each other. 7. The related study on source profile should be performed to get the reprehensive source profiles for the sources contributed to level of suspended particulate matter in Pusan.
2-Methylisoborneol(2-MIB)제거를 위한 산화 및 흡착공정의 특성
최근주,김상구,류동춘,신판세,손인식,오광중 한국환경과학회 2002 한국환경과학회지 Vol.11 No.3
One of the Musty and earthy smell compounds in raw water is generally attributed to 2-methylisoborneol (2-MIB). It is well known that activated carbon and oxidants such as O_3, ClO_2 are effective ways to control 2-MIB. In isotherm equilibrium experiments, 2-MIB in distilled water was much more adsorbed to the activated carbon(A/C) than raw water containing dissolved organic carbon (DOC). The Freundlich constants(k) of distilled water and raw water were 3.36 and 0.049, and 1/n values were 0.80 and 0.42, respectively. The 2-MIB residual rate were Y = e^(0.55_x)~ e^(-0.54_x) with Ozone(O_3) dose by 5 minutes contact time at the 241 and 353 ng/L initial concentrations. The 2-MIB residual rate were Y = e^(-0.32_X)~ e^(-0.35_X) with Chlorine dioxide(ClO_2) dose by 15 minutes contact time at the 89 and 249 ng/L initial concentrations. 2-MIB was decreased from 1911 ng/L to 569ng/L by post-ozonation(70%removal efficiency) and removal efficiencies of 2-MIB by the following 4 kinds Granular Activated Carbon(GAC) process such as coal base, coconut base, wood base and zeolite+carbon base were 95.8, 89.5, 88.4, and 93.7% respectively.
지표수로부터 세포배양-연계 PCR법에 의한 장바이러스의 검출
정은영,정종문,류재익,신판세,전홍기,장경립 한국생명과학회 2000 생명과학회지 Vol.10 No.5
Enterovirues may cause gastrointestinal symptoms, cold, and fever, mainly in young children. They are also recognized as important agents in acute infections of the central nervous system such as meningitis and encephalitis, and in subacute and chronic infections of the cardiovascular system such as pericarditis, myocarditis and cardiomyopathy. They also can lead to postviral fatigue syndrome. For the detection of enteroviruses from the environmental samples, the combined cell culture-polymerase chain reaction (CC-PCR) technique was employed. In contrast to EPA standard method which mainly depends on the cell culture, it involved the use of cell culture, followed by PCR to improve the sensitivity and the accuracy of the test. According to the results of survey, from 1999 to 2000, for the presence of enteroviruses in the surface water samples from Nak-dong river, four out of twelve samples were positive for viruses. The titer of viruses in the surface water was ranged from 25 to 250 MPN. All of the viruses isolated were poliovirus type I with 98% nucleotide sequence homology. The result also clearly suggests the seasonal difference in the distribution of the waterborne enteroviruses in surface water because most of the viruses were mainly detected from the summer through the early autumn.