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Joint Biomechanics—tissues, Structures and Functions

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Joint Biomechanics—Tissues, Structures and Functions

Effect of Lorentz forces on forced-convection nanofluid flow over a stretched surface

第三届全国康复医学青年学术会议

作者： Arthur F．t．MAK Eric W．C．tAM Alan C．Y．tANG terry K．K．koo Jockey Club Rehabilitation Engineering Center the Hong Kong Polytechnic University Jockey Club Rehabilitation Engineering Center the Hong Kong Polytechnic University Jockey Club Rehabilitation Engineering Center the Hong Kong Polytechnic University Jockey Club Rehabilitation Engineering Center the Hong Kong Polytechnic University

＜正＞Joints are anatomical linkages designed to facilitate relative motions between skeletal elements. An overview will be given on how the principles of mechanics can be applied to the study of joint functions at the tissue and structure levels. Examples will be drawn from the literature as well as from our recent research work on cartilage tissue mechanics, biomechanics of shoulder reconstruction after brachial plexus injury, and biomechanics of the human elbow. topics to be covered in this lecture include- （1） Biomechanics of articular cartilage （2） Joint stability （3） Joint loading （4） Musculoskeletal simulations

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Particuology 2016年第3期14卷 108-113页

作者： Mohsen Sheikholeslami M.t. Mustafa Davood Domiri Ganji Department of Mechanical Engineering Babol University of Technology Babol Islamic Republic oflran Department of Mathematics Statistics and Physics Qatar University Doha 2713 Qatar

Magnetic nanofiuid hydrothermal analysis over a plate is studied that includes consideration of thermal radiation. the Runge-Kutta （RK4） method is utilized to get solution of ODEs which are obtained from similarity solution. In considering the impacts of Brownian motion, we applied koo-Kleinstreuer-Li cor- relation to simulate the properties of CuO-water. the influence is discussed of important parameters such as the temperature index, magnetic, radiation, and velocity ratio parameters and volume fraction of nanoparticle on hydrothermal behavior. Results illustrate that the coefficient of skin friction enhances with enhancing magnetic parameter while reduces with enhancing velocity ratio parameter. Also the Nusselt number was found to directly depend on the velocity ratio and temperature index parameters but has an inverse dependence on the magnetic and radiation parameters.

关键词： Nanofluid Brownian motion thermal radiation Magnetohydrodynamic Stretching sheet

A Comparative Study of Antifatigue Effects of taurine and Vitamin C on Chronic Fatigue Syndrome

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Pharmacology & Pharmacy 2022年第8期13卷 300-312页

作者： Shin-Hee Kim Hyun-Jin Kim Semi Kim Ju-Seop Kang Young tae koo Sang Hun Lee Dong-Hyun Paik Medicine Park Co. Ltd. Seoul Republic of Korea Department of Pharmacology College of Medicine Hanyang University Seoul Republic of Korea Kwang-Dong Pharmaceutical Co. Ltd. Seoul Republic of Korea

Vitamin C and taurine (tR) are well known as active components for fatigue recovery. However, the mechanism of the anti-fatigue effects of vitamin C and tR is still unclear. Our study was designed to evaluate the anti-fatigue activities of vitamin C and tR in an animal test for fatigue and to compare the activities between vitamin C and tR. Materials and Methods: Vitamin C, tR or their combination were orally administrated to mice once daily for 15 days, and then metabolic activities such as blood glucose, triglyceride (tG), lactate, and lactate dehydrogenase (LDH) as well as antioxidant activities such as malondialdehyde (MDA) and superoxide dismutase (SOD) were determined (evaluated) after forced swimming test (FSt). Results: Compared with the control group, C100, C200, and t50 showed a tendency to decrease mobility in FSt. Moreover, tG (C100, C200, t200), LDH (C200), lactic acid (C100) and MDA (C50, C100, C200) levels were inhibited by vitamin C and tR. Conclusions: these results suggest that vitamin C and tR have anti-fatigue activities in mice, with vitamin C providing a stronger effect.

关键词： Vitamin C taurine Chronic Fatigue Syndrome Anti-Fatigue Effect

Endoscopic gastrojejunostomy with a natural orifice transluminal endoscopic surgery technique

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World Journal of Gastroenterology 2013年第22期19卷 3447-3452页

作者： tae Jun Song Dong Wan Seo Su Hui Kim Do Hyun Park Sang Soo Lee Sung koo Lee Myung-Hwan Kim Department of Internal Medicine Inje University Ilsan Paik Hospital Koyang 411-706 South Korea Department of Internal Medicine University of Ulsan College of Medicine Asan Medical Center Seoul 138-736 South Korea Asan Institute for Life Science Asan Medical Center University of Ulsan College of Medicine Seoul 138-736 South Korea

AIM: to determine the technical feasibility and safety of an endoscopic gastrojejunostomy with a pure natural orifice transluminal endoscopic surgery (NOtES) technique using a t-anchoring device in a porcine survival model. MEtHODS: An endoscopic gastrojejunostomy with a pure NOtES technique using a t-anchoring device was performed on 10 healthy female minipigs weighing approximately 40 kg each under general anesthesia. All procedures were performed with a transgastric approach using a 2-channel therapeutic endoscope. RESULtS: the transgastric gastrojejunostomy was technically successful in all cases. A total of four to sixstitched pairs of a t-anchoring device were used to secure the anastomosis. the median time required to enter the peritoneal cavity and pull the small bowel into the stomach was 34 min (range: 19-41 min); the median time required to suture the anastomosis was 67 min (range: 44-78 min). An obstruction of the efferent limb occurred in one case, and a rupture of the anastomosis site occurred in another case. As a result, the functional success rate was 80% (8/10). Small bowel adhesion to the stomach and liver occurred in one case, but the anastomosis was intact without leakage or obstruction. CONCLUSION: A transgastric gastrojejunostomy with a t-anchoring device may be safe and technically feasible. A t-anchoring device may provide a simple and effective endoscopic suturing method.

关键词： Natural orifice transluminal endoscopic surgery Endoscopy Pigs Aanastomosis

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婴儿手足搐搦症

上医学报 1958年第3期 183-186页

作者：顾庆祺张善通上海第一医学院儿科医院

婴儿手足搐搦症又称痙攣性素貭,为婴儿較常見疾病之一。根据佳木斯市李树春、江可明二氏报告,本症占小儿住院病例的2.9％,可見我国北方寒冷地区本症頗为重要。上海地区所見亦不为少。上海第一医学院儿科医院自1952年5月至1957年4月共見... 详细信息

婴儿手足搐搦症又称痙攣性素貭,为婴儿較常見疾病之一。根据佳木斯市李树春、江可明二氏报告,本症占小儿住院病例的2.9％,可見我国北方寒冷地区本症頗为重要。上海地区所見亦不为少。上海第一医学院儿科医院自1952年5月至1957年4月共見125例,占住院总人数0.5％。这些病例的診断都根据年龄、季节和喂养史的特点,結合痙攣症状以及治疗后症状的迅速好轉,并用血液化学証明。

关键词：医学院血钙医学院校血磷稚生

Alefacept与UVB联合治疗慢性斑块型银屑病:一项开放标记式研究

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世界核心医学期刊文摘（皮肤病学分册） 2006年第5期2卷 14-15页

作者： Ortonne J.P. Khemis A. koo J. Choi J. 周少娜 l'Archet II 15 R. de S. Antoine de Ginestiere Nice Cé dex 03 France

An open-label study of alefacept plus ultravioletB light as combination therapy for chronic plaque psoriasisOrtonne J.P./Khemis A./koo J./Choi J. [***-onne, l’ Archet II, 15, R. de S. Antoine de Ginestiere, Nice, Cé... 详细信息

title>An open-label study of alefacept plus ultravioletB light as combination therapy for chronic plaque psoriasisthor>Ortonne J.P./Khemis A./koo J./Choi J. [***-onne, l’ Archet II, 15, R. de S. Antoine de Ginestiere, Nice, Cé dex 03, France]Background: Alefacept, a fully human LFA-3/IgG1 fusion protein, is a selective biological agent approved in theUnited States for the treatment of chronic plaque psoriasis. In phase 3 trials, clinical improvement and prolonged off-treatment remission of psoriasis correlated with reductions in circulating memory t cells. Reductions in pathogenic epidermal t cells in psoriatic lesions also have been noted following phototherapy with ultraviolet B (UVB) light. Because alefacept and UVB target t cells in different ways, combination therapy with these two agents may lead to greater efficacy. Objectives: to determine the safety, tolerability, and efficacy trends of combination therapy with alefacept plus UVB light in patients with chronic plaque psoriasis. Methods: In an open-label, parallel-group study conducted at two sites, one in France and one in the United States, patients with chronic plaque psoriasis who were candidates for phototherapy received 12-weekly intramuscular injections of alefacept, 15 mg. In addition, patients were randomized to one of three treatment arms: no UVB treatment, 6-week UVB treatment, and 12-week UVB treatment. UVB treatment consisted of narrowband (NB) UVB at the site in France and broadband (BB) UVB at the site in the United States. the 12-week treatment period was followed by a 12-week follow-up period. Clinic visits occurred weekly during treatment and every 2-4 weeks during follow-up. Results: A total of 60 patients (n =30/site)were enrolled in the study. Alefacept was well tolerated when administered in combination with UVB treatment and as monotherapy. there was no evidence of increased phototoxicity or photosensitivity with the combination. At each study site, alefacept/UVB provided a hig

关键词：斑块型银屑病 Alefacept UVB 窄谱临床改善生物制剂光毒性光敏性严重度肌肉注射

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利用湍流作数值分析及数值预报中的平滑化过程

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气象学报 1957年第4期 319-323页

作者：顾震潮中国科学院地球物理研究所

在高空大范围流型的数值预报中技术上的困难问题之一就是如何消去原始高度场或预报高度场里的小扰动.这种小扰动不论是真的,还是假的(原始场中的观测误差,预报场中的截平误差(truncation error),地转风假定下原始小扰动的虚假发展等等)... 详细信息

在高空大范围流型的数值预报中技术上的困难问题之一就是如何消去原始高度场或预报高度场里的小扰动.这种小扰动不论是真的,还是假的(原始场中的观测误差,预报场中的截平误差(truncation error),地转风假定下原始小扰动的虚假发展等等),都不是预报的对象,因此必须用种种平滑化过程设法除去.

关键词：平滑化数值预报数值分析数学分析

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长距离输气管线用X120级钢管的研究

焊管 2006年第3期29卷 27-32页

作者： D.P.Fairchild W.J.Sisak C.W.Petersen S.D.Papka M.L.Macia K.t.Corbett R.J.t.Appleby J.Y.koo N.V.Bangaru M.S.Weir 张帆美国埃克森-美孚石油公司中国石油天然气管道工程有限公司河北廊坊065000

X120级高强度管线钢的发展为天然气生产商提供了将长距离输气管线总造价降低5%～15%的机会,进而可降低向市场输送天然气的价格.成本降低来源于多个方面,包括材料、施工、（气体）压缩以及与综合设计方案结合所带来的节约.介绍了X120钢... 详细信息

X120级高强度管线钢的发展为天然气生产商提供了将长距离输气管线总造价降低5%～15%的机会,进而可降低向市场输送天然气的价格.成本降低来源于多个方面,包括材料、施工、（气体）压缩以及与综合设计方案结合所带来的节约.介绍了X120钢级发展方案的概况,包括大规模的试验和环缝焊接,同时讨论了X120级管线钢实际应用的方案,在这些方案中管道承压较高,管径较小,最终工程总造价可节约5%～15%.

关键词：输气管道 X120钢级性能研究应用方案

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长距离输气管线用X120级钢管的研究(续二)

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焊管 2006年第5期29卷 30-35页

X120级高强度管线钢的发展为天然气生产商提供了将长距离榆气管线总造价降低5％～15％的机会，进而可降低向市场输送天然气的价格。成本降低来源于多个方面，包括材料、施工、（气体）压缩以及与综合设计方案结合所带来的节约。介绍了X... 详细信息

X120级高强度管线钢的发展为天然气生产商提供了将长距离榆气管线总造价降低5％～15％的机会，进而可降低向市场输送天然气的价格。成本降低来源于多个方面，包括材料、施工、（气体）压缩以及与综合设计方案结合所带来的节约。介绍了X120级钢管发展方案的概况，包括大规模的试验和环缝焊接，同时讨论了X120级管线钢实际应用的方案，在这些方案中管道承压较高，管径较小，最终工程总造价可节约5％～15％。

关键词：榆气管道 X120钢级性能研究应用方案

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