http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
도시철도 콘크리트 궤도의 흡음블럭이 소음저감에 미치는 영향
유상범(Sang-Bum Yoo),이안호(An-Ho Lee),김상진(Sang-Jin Kim),강기동(Kee-Dong Kang) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
Urban transit is promoting improvement of the concrete track to solve many problems maintenance in ballasted track. But concrete track has a lot of noise compared to ballated track by multiple reflections. The concrete track is to install sound absorption blocks to reduce noise. And it has a lot of research and effort. This is study analyzed the effect of sound absorption blocks though field measurements in the range of installed sound absorption blocks. And this was an analysis of the surface shape and sound absorption effects of sound absorption blocks.
외상성 췌장 손상에서 수술적 치료와 역행성 경유두 췌관 삽입술의 유용성
유상범 ( Sang Bum Yoo ),조민수 ( Min Soo Cho ),배금석 ( Keum Seok Bae ),강성준 ( Sung Joon Kang ) 대한외상학회 2004 大韓外傷學會誌 Vol.17 No.2
Background: The presence of an injury to the pancreatic duct system is the most important determinant of the morbidity and mortality associated with blunt pancreatic trauma. Endoscopic retrograde pancreatography provides detailed images of the pancreatic duct and clearly defines the nature of pancreatic duct injury. Compared with operative intervention, we evaluate the effectiveness of endoscopic placement of transpapillary stent in pancreatic trauma. Patients and Methods: Thirteen patient with pancreas injury from April, 1992 to December 2002 were included in this study. We classified patients according to the treatment method, such as operative intervention or endoscopic placement of transpapillary stent. And demographic information, mode of injury, imaging studies, initial serum amylase, hospital stay and complication were retrospectively reviewed. Results: Eight patients were treated by operative intervention, and another five by endoscopic placement of transpapillary stent. In operative interventional group, mean hospital days were 50.8 days, pancreas specific complication developed in 5 of the 8 were as follws: pseudocyst, intestinal obstruction and enterocutaneous fistula. In endoscopic interventional group, mean hospital days were 31.2 days, pancreas specific complications were 2 cases of nonsymtomatic pseudocyst. Conclusion: Endoscopic placement of transpapillary stent is an alternative treatment in pancreatic injury.