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운동 직후 고온 침수가 EPOC와 TG/ fatty acid cycling에 미치는 영향
조현철,김종규,강민철,홍완표,박노혁 龍仁大學校 體育科學硏究所 2005 體育科學硏究論叢 Vol.15 No.1
The purpose this study was to estimate effects of EPOC and TG/fatty acid cycling on warm water immersion of immediately after exercise. To elucidate the role of fatty metabolism, a sequence of five experiments was performed. Seven physically active, male subjects volunteered to participate in the presented study. The mean values for age, body mass and hight were 25±1.52 yr, 79.2±9.52kg, 177.2±4.62cm, respectively. After giving consent, participant visited the laboratory on six occasion: 1) 30min of treadmill exercise VO2max 55% and a further 60min recovery, 2) 30min partial body warm water immersion in a 39℃ and a further 60min recovery, 3) 30min whole body warm water immersion in a 39℃ and a further 60min recovery, 4) 30min of treadmill exercise VO2mas 55% and in 30min partial body warm water immersion in a 39℃, 5) 30min of treadmill exercise VO2max 55% and in 30min whole body warm water immersion in a 39℃. When compared by recover period within repeat on the base of changes of subjects average body temperature, not effective interactions among repeat. However, partial and whole body warm water immersion immediately after exercise shows it as the best effective exercise for VO2max 55%, partial and whole body warm water immersion. When compared by recover period within repeat on the base of changes of subjects EPOC, effective interactions among repeat(p<.05). Partial and whole body warm water immersion immediately after exercise shows it as the best effective exercise for VO2mas 55%, partial and whole body warm water immersion. The catecholamines concentration was significantly higher partial and whole body warm water immersion than exercise of VO2max 55%(p<.05). The TG concentration and free fatty acid was significantly higher partial and whole body warm water immersion immediately after exercise than exercise of VO2max 55% than Partial and whole body warm water immersion(p<.05). Based on the facts that we have discussed above, human metabolism is increased by both exercise and conditions of immersion and partial and whole body warm water immersion immediately after exercise than exercise of VO2maw 55% shows it as better effective treatment for increasing TG/Fatty acid cycling activation. Due to extremely heavy stress complained by subjects during whole body immersion, it is thought that more researches on it should be required.
Fate of Grafts Bypassing Nonischemic Versus Ischemic Inducing Coronary Stenosis
Roh, Jae-Hyung,Kim, Young-Hak,Yang, Dong Hyun,Han, Seungbong,Yun, Sung-Cheol,Yang, Dong Heon,Park, Gyung-Min,Lee, Pil Hyung,Ahn, Jung-Min,Kang, Joon-Won,Lim, Tae-Hwan,Moon, Dae Hyuk,Kim, Joon Bum,Jung Elsevier 2018 The American Journal of Cardiology Vol.122 No.7
<P>There is a lack of evidence regarding the efficacy of ischemia-guided coronary artery bypass grafting. We compared the incidence of graft failure between grafts bypassing ischemia-inducing and nonischemia-inducing stenoses. Between 1997 and 2011, 2,304 patients for whom baseline coronary angiography and myocardial perfusion imaging were available were identified from a single-center coronary artery bypass grafting registry. According to baseline myocardial perfusion imaging, each graft was assigned to either graft bypassing ischemia-inducing or nonischemia-inducing stenoses (ischemia-related grafts, n = 4,904; ischemia-unrelated grafts, n = 2,709). Graft failure was defined as total occlusion on coronary computed tomography angiography, performed at the discretion of the treating physician. The incidence of graft failure was compared on a per-graft basis. At 5 years, the incidence of graft failure was significantly higher in the ischemia-unrelated grafts (4.2% vs 2.9% in ischemia-related grafts; p = 0.003). Ischemia-related graft was an independent determinant of graft patency (adjusted hazard ratio 0.61; 95% confidence interval 0.44 to 0.84; p = 0.002). Increased risk of graft failure associated with ischemia-unrelated graft was observed only in the internal thoracic artery (3.3% vs 2.0%, p = 0.021) and arterial grafts (6.5% vs 4.3%, p = 0.020), but not in the venous grafts (2.7% vs 2.7%; p = 0.99). In terms of major adverse cardiac and cerebrovascular events, 5-year incidences were comparable between the patients with and without ischemia-unrelated grafts (219, 19.3% vs 160, 18.0%; p = 0.61). In conclusion, ischemia-unrelated grafts became dysfunctional more frequently than ischemia-related grafts, and were not preventive of adverse events.</P>
Alx-Si-2- Cu-1 Mg/y Al2O3 (x = 6, 12, 18, y = O-10 wt.%) 계 복합재료의 열적성질에 관한 연구
박상준,박창선,노무근,권혁무,박헌범 대한금속재료학회(대한금속학회) 1991 대한금속·재료학회지 Vol.29 No.10
The purpose of this study is to obtain basic information on the density, the coefficient of thermal expansion and the thermal conductivity of compocasted Al-xSi-2 Cu-1 Mg/y Al₂O₃,(x=6, 12, 18, y=0∼10wt.%) composites. With the content of Al₂O₃ particaes, the density, the thermal expansion coefficient and the themal conductivity decrease. The coefficient of thermal expension between 20 and 300℃ is 22×10^(-6)∼19.7×10^(-6)/℃ for the alloy with 0wt.% Al₂O₃ and 17.8×10^(-6)∼15.4×10^(-6)/℃ for the composite with 10wt% Al₂O₃. The thermal conductivity at 300℃ is 121∼169 w·m^(-1)·k^(-1) for the alloy(y=0) and 99∼120 w·m^(-1)·k^(-1) for the composite(y=10)
Kwon, Hyuk-Chan,Kim, Sung Hyun,Oh, Sung Yong,Lee, Suee,Kwon, Kyung A,Choi, Hong-Jo,Park, Ki-Jae,Kim, Hyo-Jin,Roh, Mee Sook Potamitis Press 2010 Anticancer research Vol.30 No.10
<P>BACKGROUND: The principal objective of this study was to evaluate the prognostic significances of p53, hypoxia inducible factor-1 alpha (HIF-1관), and vascular endothelial growth factor (VEGF) expression in colorectal cancer. MATERIALS AND METHODS: The tumor tissues of 311 patients with colorectal carcinoma that had undergone potentially curative resections were immunohistochemically assessed using monoclonal antibodies against p53, HIF-1관, and VEGF. RESULTS: Positivity rates of p53, HIF-1관, and VEGF were 42.4%, 63.0%, and 56.6%, respectively. HIF-1관 expression in tumor tissues was determined to be correlated significantly with the expression of VEGF (p=0.040), and depth of invasion (p=0.019). Multivariate analysis demonstrated that HIF-1관 was independently associated with poor overall survival (p=0.002). CONCLUSION: HIF-1관 expression is associated with VEGF expression and angiogenesis in colorectal carcinoma. Additionally, the expression of HIF-1관 in tumor tissue is associated with angiogenesis and poor overall survival in patients with colorectal cancer.</P>
건축 디자인 향상을 위한 비정형 외피 생성의 프렉탈 해석기법 적용에 관한 연구
노영숙(Roh, Young-Sook),최정민(Choi, Jeong-Min),박종혁(Park, Jong-Hyuk) 韓國商品學會 2010 商品學硏究 Vol.28 No.5
3D 파라메트릭 모델링 기법이 발달함에 따라 최근 국내외적으로 비정형 건축물이 급속히 증가하고 있다. 이러한 비정형 건축의 출현은 파라메트릭 모델링을 중심으로 하는 디지털 기술의 발전에 기인한다. 비정형 외피를 생성하는데 있어서 기존의 보간방법을 이용하여 각 기준점들의 관계를 반복함수를 이용하여 제한하고 형태요소를 프랙탈 개념을 활용하여 곡면을 생성함으로써 비정형 곡면의 생성은 물론 이들의 거칠기를 정량적으로 판단 할 수 있게 되었다. 프랙탈 개념은 상대적으로 새로운 개념으로서 자유로운 곡면의 생성이 가능하고 정량적인 자료를 제공함으로써 생성단계를 합리적으로 관리할 수 있게 된다. 외피의 정량적인 거칠기는 외피생성을 기존의 방법보다 용이하게 유도할 수 있으며 곡면의 생성에 그치지 않고 이를 시공하는 단계를 단순화 시키는 효과가 있다. 본 연구에서는 프렉탈 조형원리의 적용기법과 확장가능성을 검토하여 비정형 외피디자인방법 및 과정의 측면에서 프렉탈 기하학을 확장시켜 일반 공간에서 볼 수 있는 비정형 외피를 제안하였다 The number of free-form buildings are increased by development of 3D parametric modeling technology. The reason of free-form Architecture's appearance is advance of digital technology. To creat the free-form surface covering, limiting connection among each datum points by using recursive function, creating curved surface by using the Fractal concepts of forms elemets. it become not able to create free-form curved surface also conclude grades of corse of those. Fractal concepts is relatively new concepts, it makes the surface to create curved freely and offers quantitatively materials you can manage creation stages rationally. quantitatively coarse grade of surface is able to induce to be simple creating surface, it's more than creating curved surface it has the effect to simple the steps of execution
박창걸(Park chang kirl),한혁(Hahn hyuk),노현숙(Roh hyun sook) 한국콘텐츠학회 2007 한국콘텐츠학회 종합학술대회 논문집 Vol.5 No.2_1
계속기업을 전제로 하는 기업들은 꾸준히 새로운 사업을 탐색과 투자로 사업화를 모색한다. 그러나, 일반적으로 그 성공확률은 매우 낮아 R&D과제의 사업화 성공확률이 1/3,000에 불과하다고 한다. 따라서, 기업에서 사업다각화의 일환으로 새로운 사업에 진출한다는 것은 높은 위험을 감수해야만 하는 경영자의 중대한 의사결정 사항이다. 특히, 기업활동의 제반 역량이 대기업에 비해 열악한 중소기업들의 경우에는 높은 위험에 대한 부담으로 새로운 사업분야로의 도전에 적극적으로 대처하기 어려운 것이 사실이다. 본 연구는 중소기업과 중소기업 정책 입안자 들에게 중소기업형 유망 선도업종을 발굴하는 접근방법론과 적용 결과를 제시함으로써 체계적인 사업 및 R&D 기획을 위한 정보를 제공하고자 하였다. All of enterprises are diversifying it's business items for going concern. But it is very difficult to find a successful business items because they should be in front of various risk factors. Especially the small and middle enterprises are inferior to the large enterprises in every way likes technology development, marketing and human resources etc. So, it can be a decisive decision making to branch out to them. Because they should concentrate their resources for it. This research introduce systematic approach of the decision of famous business items for small and middle enterprises.