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안영희,An, Yeong-Hui 환경보전협회 2015 환경정보 Vol.419 No.-
육상생물자원이 연구 및 활용의 대상이었다면 가까운 장래에는 잠재적 개발가치가 큰 담수생물자원에 관심이 모아질 것으로 내다보고 있다. 수중생태계에 존재하는 수많은 담수생물이야말로 우리의 귀중한 자산이며 미래 번영의 필수 요소가 될 것이다. 국내에서 유일하게 담수생물자원을 연구하는 기관이며 앞으로 생물자원 연구의 선두에 서게 될 국립낙동강생물자원관에 모든 분들의 격려와 뜨거운 성원을 부탁하는 바이다.
한용운,안영희,김동식,Han, Yong-Un,An, Yeong-Hui,Kim, Dong-Sik 대한기계학회 2002 大韓機械學會論文集B Vol.26 No.4
Flow characteristics of a round jet with swirl number of 0.17 have been investigated using a hot -wire anemometry in the initial region within 10D(exit diameter). Swirl effects were observed by comparing centerline flow characteristics, similarities and turbulent budgets of a swirl jet and a free jet, respectively. To obtain similarity of the radial profiles mean velocity and higher moments were measured at the vertical pl anes, located at 2.5, 5.0, 7.5D, 10D, respectively. The centerline velocity characteristics were also measured. It is turned out that similarities of mean and Reynolds stress are established. The jet boundary has wider width than that of a free jet and the shear stress also becomes stronger. In addition the centerline decay becomes faster than that of the free jet, indicating that the swirl induces more entrainment in the initial region of the swirl Jet by transferring the axial mean kinetic energy into the swirl energy and, therefore, has wider boundary, compared with that of free jet.
FISH법을 이용한 낙동강 상,중,하류의 세균군집 구조 분석
이영옥 ( Lee Yeong Og ),박지은 ( Park Ji Eun ),신승필 ( Sin Seung Pil ),안영희 ( An Yeong Hui ) 한국물환경학회 2003 한국물환경학회지 Vol.19 No.3
For conducting the comparative analysis of the eubacterial community structure including nitrifying bacteria at 8 sampling sites throughout the N마-Dong River, FISH(fluorescence in situ hybridization) method was employed. The total ratio of each determined eubacterial group such as α·β·γ-subclasses protebacteria and Cytophaga-Flavobacterium(CF) group to total counts stained by DAPI at each site varied 9.3∼42.5% with the highest value at uppermost part. And each ratio of determined eubacterial groups reached mostly under 10% except those of CF group(23%) at uppermost part. Futhermore, compared to lower part, upper part represented higher proportions of γ-subclass proteobacteria comprised in most of fast growing bacteria on degradable organics. Also the variations of ammonia-oxidizing bacteria ranged from 2.7×10⁴to 18.3×10⁴ cells/㎖ with the lowest value in lower part and the highest value in mid part whereas those of nitrite-oxidizing bacteria varied 5.2∼7.7×10⁴cell/㎖ without noticeable differences throughout the sites. Additionally, the ratio of nitrifying bacteria to total counts ranged from 1.3% to 13.6?%, regardless of those of ammonia/nitrite-oxidizing bacteria. Overall, it implies that the upper part of Nak-Dong River represented comparatively better degradabilities of organic materials than their Lower part except at one site in upper part passed An-Dong City. By the contrast, the other part of Nak-Dong River, especially after merging the Gum-Ho River revealed lower detectability of FISH resulted from their cellular activity. So it could be said that the lower part of Nak-Dong River might be a ecosystem of which physico-chemical environment may have inhibited the activities of bacteria functioned as decomposer of organic matter.
일본 관동지역 2차림지대의 기상환경과 식물군락에 관한 연구
이성기 ( Lee Seong Gi ),안영희 ( An Yeong Hui ),이갑연 ( Lee Gab Yeon ) 한국농림기상학회 2004 한국농림기상학회지 Vol.6 No.1
N/A The climate of Minamiakikawa forest in Japan is similar to that of Mt. Jiri in South Korea. There is a large development plan for Minamiakikawa forest, and a change in the species composition is expected. This study was initiated to compare forest transition caused by artificial perturbations in Korea and Japan. Long-term field observations on species composition are reported. We found 98 families, 231 genera, 315 species, 29 varieties, and 8 races, making a total of 352 classification groups of higher plants in the Minamiakikawa forest area. Among them, 11 families, 12 species and 2 varieties are rare or endangered. The study area is dominated by Cryptomerica japonica and Chamaecyparis obtusa. The time and restoration effects on secondary and latent forestation consider the development of the Quercus mongolica community, the Quercus serrata community, and deciduous-broadleaved tree ascension. This indicates that the forest has been restored to Abies firma, Pinus densiflora or Crrptomeria japonica and Fagus japonica, which is considered latent natural forestation of the area in a natural transfer.