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韓國人에서 四種의 STRs 遺傳座位에 대한 遺傳的 多樣性
송은섭,황적준,남용석,한길로 大韓法醫學會 1997 대한법의학회지 Vol.21 No.1
The four tetrameric STRs loci(MUMvWA31, HUMTHO1, HUMF13A1, HUMFES/FPS) were studied to confirm the allele frequency distribution and to see whether these results can be used for identity and paternity testing in a population of Koreans using multiplex PCR and laser-fluorescence detection method. In the Korean population (n=227), 8 alleles with their relative frequency range of 0.002-0.249 are detected in the HUMvWA31 locus, 6 alleles with those of 0.007-0.500 in the HUMTHO1 locus, 6 alleles with those of 0.002-0.487 in the HUMF13A1 locus, and 6 alleles with those of 0.004-0.434 in the HUMFES/FPS locus. The highest observed heterozygosity is found at the locus HUMvWA31(0.8077), with those of the loci HUMTHO1, Humf13A1, and HUMFES/FPS being 0.6581 0.6324 and 0.6804, respectively. All loci meet Hardy-Weinberg expectations: there are good agreements between observed and expected heterozygosity, number of observed genotypes. Pairwise comparisons between loci show allelic independence for all the 4 loci. The power of discrimination (PD) determined for the locus HUMvWA31 is 0.933, that for the HUMTHO1 is 0.836, 0.798 for HUMF13A1, and 0.844 for the HUMFES/FPS; the combined power of discrimination for the quadruplex is 0.9997. Thus, these allelic frequency distribution can be used to construct the database of the multiplex PCR-based DNA profile in the Korean population. The calculated parameter, "combined power of discrimination(PD)" show the informativeness of these loci for the determination of identity and relatedness of individuals.
Glucose Oxidase가 척수지각신경절세포에 미치는 영향과 천마의 효과에 관한 연구
송호준,이용석,손영우,이강창,정종길,신민교,홍기연 대한본초학회 2002 大韓本草學會誌 Vol.17 No.2
Objectives : To clarify the cytotoxic effect of glucose oxidase(GO) and protective effect of gastrodiae Rhizoma (GR) on spinal sensory ganglion(DRG) neurons, neurotoxicity mediated by GO was measured by MTT assay and neurofilament enzymeimmuno assay(EIA). Methods : DRG neurons were cultured in the media containing various concentrations of GO for 3 hours. In addition, neuroprotective effects of GR, on GO-induced neurotoxicity in DRG neurons were examined after DRG neurons were preincubated with various concentrations of GR for 2 hours before 15mU/ml GO for 3 hours. Results : GO decreased remarkably cell viability in dependently in these cultures, and also RG increased cell viability and amount of neurofilament in DRG neurons damaged by GO. Conclusion : It is suggested that GO has toxic effect in cultured mouse DRG neurons, and also RG was effective in the protection of GO-induced neurotoxicity in these cultures.
Visualization of Dynamic Simulation Data for Power System Stability Assessment
Song, Chong-Suk,Jang, Gil-Soo,Park, Chang-Hyun The Korean Institute of Electrical Engineers 2011 Journal of Electrical Engineering & Technology Vol.6 No.4
Power system analyses, which involve the handling of massive data volumes, necessitate the use of effective visualization methods to facilitate analysis and assist the user in obtaining a clear understanding of the present state of the system. This paper introduces an interface that compensates for the limitations of the visualization modules of dynamic security assessment tools, such as PSS/e and TSAT, for power system variables including generator rotor angle and frequency. The compensation is made possible through the automatic provision of dynamic simulation data in visualized and tabular form for better data intuition, thereby considerably reducing the redundant manual operation and time required for data analysis. The interface also determines whether the generators are stable through a generator instability algorithm that scans simulation data and checks for an increase in swing or divergence. The proposed visualization methods are applied to the dynamic simulation results for contingencies in the Korean Electric Power Corporation system, and have been tested by power system researchers to verify the effectiveness of the data visualization interface.
Song, Hui,Lee, Kwang-Ho,Jeong, Huisu,Um, Soong Ho,Han, Gil-Sang,Jung, Hyun Suk,Jung, Gun Young RSC Pub 2013 Nanoscale Vol.5 No.3
<P>One-dimensional (1-D) SnO(2) nanorods (NRs) with a rutile structure are grown on various substrates regardless of the lattice-mismatch by using a new nutrient solution based on tin oxalate, which generated supersaturated Sn(2+) sources. These affluent sources are appropriate for producing a large number of SnO(2) nanoparticles, sufficient for stacking on a substrate surface by gravity, which then acts as a seed layer for subsequent nanorod growth. Single crystalline nanorods are grown along the [001] direction by the oriented attachment phenomenon in which the attached nanoparticles were rearranged to reduce the overall surface energy through sharing thermodynamically unstable crystal (001) planes. Furthermore, the grown SnO(2) NRs are covered with a TiO(2) particulate film and utilized as a photoanode in DSSCs. The power conversion efficiency is 8.61%, enhanced by 14.2% compared to the photoanode with only a TiO(2) particulate film.</P>
Implementation of PTDFs and LODFs for Power System Security
Song, Chong-Suk,Park, Chang-Hyun,Yoon, Min-Han,Jang, Gil-Soo The Korean Institute of Electrical Engineers 2011 The Journal of International Council on Electrical Vol.1 No.1
Distribution factors, which are linear approximations of the sensitivities of the system variables for changes in the power injections or any events in the system, play an important role in the security analysis and market applications. Cascading faults, which are triggered by the overloading of lines due to a fault has been the major issue deteriorating the reliability of the power system thereby requiring measures to revert the power flow on overloaded lines. This paper proposes an algorithm, by utilizing the formulation of PTDFs and LODFs, to calculate the generation shifts so that the power flow on the transmission lines that violate security limits due to single and multiple-line outage events are adjusted to its security limits. This methodology is being tested on the IEEE New England 10-generator 39-bus system for effectiveness.
( Jin Suk Heo ),( Seo Kyoung Park ),( Hyun Il Yoo ),( Ji Na Song ),( Bo Yeon Kim ),( Han Gil Choi ) 한국수산과학회(구 한국수산학회) 2011 Fisheries and Aquatic Sciences Vol.14 No.4
The benthic algal community structures of the seaweed biomass, vertical distribution of dominant seaweeds, and species composition were examined on the rocky shores of Ongdo, Jusamdo, and Woejodo Islands, Korea, in August 2006. A total of 68 seaweeds were identified, comprising 5 green, 11 brown, and 52 red algae from the three study sites. The number of species at Ongdo (32 species) was less than that at Jusamdo (45 species) and Woejodo (44 species). Jusamdo exhibited the maximum seaweed biomass (73.99 g dry wt/m2), while the minimum value was found at Woejodo (36.90 g dry wt/m2). On the three islands, coarsely branched forms were the most dominant functional group in terms of species number and biomass among benthic algal species. The dominant species were Gelidium amansii, Chondrus ocellatus, and Chrysymenia wrightii at Ongdo, Sargasum thunbergii, Ulva pertusa, and Sargassum fusiformis at Jusamdo, and U. pertusa, Undaria pinnatifida, and Corallina pilulifera at Woejodo. Perennial seaweeds were abundant at Ongdo (G. amansii and C. ocellatus) and Jusamdo (S. thunbergii and S. fusiformis), whereas the sheet form of U. pertusa was relatively abundant at Woejodo Island.