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현역 군인 발생을 중심으로 본 2000년도 국내 삼일열 말라리아 발생 현황
박재원,김영아,염준섭,유정식,양병국,채종일 대한감염학회 2001 감염 Vol.33 No.4
Background : Since 1997, the annual case occurrence of vivax malaria in the Republic of Korea have exceeded 1,000 cases since 1997. The military is thought to be an important source of the current outbreak. We collected various informations about malaria cases (soldiers, veterans and civilians) which occurred in 2000, and analyzed the characteristics of the current outbreak. Methods : Informations about malaria cases of soldiers, veterans and civilians, including name, age, sex, day of onset, region, etc., were collected through the National Institute of Health. Results : Out of total 4,141 cases, 1,288 (31.1%) occurred in the military, 1,273 (30.7%) occurred among the veterans, and 1,580 (38.2%) occurred among civilians. The monthly case occurrence reached its peak in early August. Areas such as Cheolwon, Yeoncheon and Paju showed the highest prevalence. Conclusion : It is considered that the current malaria outbreak has escaped from the exponential growth phase, however, more attention should be paid to prevent further spreading of malaria infection. (Korean J Infect Dis 33:280∼284, 2001)
Inelastic two-degree-of-freedom model for roof frame under airblast loading
Park, Jong Yil,Krauthammer, Theodor Techno-Press 2009 Structural Engineering and Mechanics, An Int'l Jou Vol.32 No.2
When a roof frame is subjected to the airblast loading, the conventional way to analyze the damage of the frame or design the frame is to use single degree of freedom (SDOF) model. Although a roof frame consists of beams and girders, a typical SDOF analysis can be conducted only separately for each component. Thus, the rigid body motion of beams by deflections of supporting girders can not be easily considered. Neglecting the beam-girder interaction in the SDOF analysis may cause serious inaccuracies in the response values in both Pressure-Impulse curve (P-I) and Charge Weight-Standoff Diagrams (CWSD). In this paper, an inelastic two degrees of freedom (TDOF) model is developed, based on force equilibrium equations, to consider beam-girder interaction, and to assess if the modified SDOF analysis can be a reasonable design approach.
Park, Jong Yil,Krauthammer, Theodor Techno-Press 2011 Structural Engineering and Mechanics, An Int'l Jou Vol.39 No.2
This paper is focused on the residual capacity of steel columns, as a damage criterion. Load-Impulse (P-I) diagrams are frequently used for analysis, design, or assessment of blast resistant structures. The residual load carrying capacity of a simply supported steel column was derived as a damage criterion based on a SDOF computational approach. Dimensionless P-I diagrams were generated numerically with this quantitative damage criterion. These numerical P-I diagrams were used to show that traditional constant ductility ratios adopted as damage criteria are not appropriate for either the design or damage assessment of blast resistant steel columns, and that the current approach could be a much more appropriate alternative.
A New Malting Barley Cultivar, "Hopum" with High Quality and BaYMV Resistance
Jong Nae Hyun,Sang Ik Han,Hyun Tae Kim,Jong Rae Kang,Jong Min Ko,Sea Gye Lim,Yil Chan Kwon,Dong Soo Park,Duck Yong Suh,Dae Ho Kim,Chang Yong Yoon,Sung Taeg Kim,Sae Jung SuhSo 한국육종학회 2006 한국육종학회지 Vol.38 No.1
A new malting barley variety, Hopum, was developed from the cross between Sacheon 6 and Misato Golden at thenated as Milyang114. It showed good agronomic performance in the regional adaptation yield trials (RYT) from 2001 to 2003 andwas released with the