http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
AA5083-H18판재의 마찰 교반 점 용접 공정에 대한 전산 해석
김돈건(Dongun Kim),Badarinarayan Harsha,유일(Ill Ryu),김지훈(Ji Hoon Kim),김종민(Chongmin Kim),Okamoto Kazutaka,Wagoner R. H.,정관수(Kwansoo Chung) 한국소성가공학회 2009 한국소성가공학회 학술대회 논문집 Vol.2009 No.5
Thermo-mechanical simulation of the Friction Stir Spot Welding (FSSW) processes was performed for the AA5083-H18 sheets, utilizing commercial Finite Element Method (FEM) and Finite Volume Method (FVM) which are based on Lagrangian and Eulerian formulations, respectively. The Lagrangian explicit dynamic FEM code, PAM-RASH, and the Eulerian Computational Fluid Dynamics (CFD) FVM code, STAR-CD, were utilize to understand the effect of pin geometry on weld strength and material flow under the unsteady state condition Using FVM code, material flow pattern near the tool boundary was analyzed to explain the weld strength difference between the weld by cylindrical pin and the weld by triangular pin, while the frictional energy concept using the FEM code had limitation to explain the weld strength difference.
대간간학회지 제6차 춘계학술대회 초록집 : 포스터 발표 ; Cyclosporine A가 과량 투여된 백서에서 apoptosis가 간손상에 미치는 영향
박상훈 ( Park Sang Hun ),조상경 ( Jo Sang Gyeong ),조원용 ( Jo Won Yong ),원남희 ( Won Nam Hui ),김지훈 ( Kim Ji Hun ),공휘 ( Gong Hwi ),손수민 ( Son Su Min ),연종은 ( Yeon Jong Eun ),변관수 ( Byeon Gwan Su ),이창홍 ( Lee Chang H 대한간학회 2000 Clinical and Molecular Hepatology(대한간학회지) Vol.6 No.1(S)
이준영 ( Joon Young Lee ),임상아 ( Sang Ah Lim ),정원호 ( Won Ho Chung ),김성호 ( Sung Ho Kim ),고진성 ( Jin Sung Koh ),임은혜 ( Eun Hye Lim ),김창하 ( Chang Ha Kim ),주문경 ( Moon Kyung Joo ),이범재 ( Beom Jae Lee ),김지훈 ( Ji H 대한내과학회 2011 대한내과학회지 Vol.80 No.2
Background/Aims: Elastic band ligation is a well-established method for the treatment of internal hemorrhoids. The aim of this study was to assess the treatment outcomes of flexible endoscopic rubber band ligation of internal hemorrhoids. Methods: Using a flexible endoscope, 30 patients with symptomatic internal hemorrhoids were evaluated based on change in clinical symptoms (Goligher grade, bleeding score) and endoscopic classifications (range, size) before and after the procedure. Results: Goligher grade and bleeding score showed significant improvement after the procedure (Goligher grade from 2.12 to 0.54, p<0.01, and bleeding score from 1.80 to 0.40, p<0.01). Endoscopic classification scores improved significantly after the procedure (range 3.03 to 1.55, p<0.01, and size from 1.80 to 0.85, p<0.01). As a complication, mild pain developed in 19 patients (90.5%) and severe pain in two patients (9.5%). Most (90.5%) were well controlled by conservative management, but one patient was operated on for hemorrhoidal thrombosis and in another patient the ligated rubber band had to be released promptly for pain relief. One patient (3.3%) experienced mild infection, which was relieved by medical treatment. During the 16.7±3.2-month period of follow-up, two patients relapsed, one was treated with additional endoscopic band ligation, and one underwent surgery. Conclusions: Flexible endoscopic band ligation is an effective and safe method of treatment in patients with symptomatic internal hemorrhoids. (Korean J Med 2011;80:179-186)