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| 1 | 有限元分析法确定Johson-Cook本构方程材料参数显示文摘采用反演法确定了马氏体不锈钢410的Johnson-Cook本构方程材料参数.剪切实验采用的剪切速率为1~5000s-1,温度为20~1000℃.有限元模拟在Abaqus软件平台上进行.采用Johnson-Cook模型,施加与实验相同的初始条件.通过Matlab非线性最小二乘法优化程序来调整有限元模型材料参数,找到合适值,使得模拟得到的力-位移曲线与实验得到曲线相吻合.结果表明,所得参数都能很好地代表不锈钢410在高温高变形速度下的流动特性,Johnson-Cook模型不能描述材料破坏阶段的行为特征. | 董菲 Guenael Germain Jean Lou Lebrun 李铸国 | 2011 | 上海交通大学学报2011,45,11: | 30 |
| 2 | 工艺参数对激光熔覆成形316L不锈钢形状的影响规律显示文摘激光熔覆技术经多年发展已取得许多成功的工业应用,但如何控制工艺以达到最佳成形效果,需要通过研究工艺参数与成形精度之间的关系才能找到最终的解决方案。借助激光熔覆快速成形法制备316L不锈钢实验试样,研究工艺参数组合对成形试样形状的影响规律。通过定义单涂覆层截面形状特征参数,采用线性相关法处理截面形状数据,建立工艺参数组合与截面形状特征参数的线性关系。此外,激光熔覆成形件易出现两类典型缺陷,即晶界间微裂纹和层间熔合不良缺陷。 | 黄小伟 习俊通 J. L. Lebrun Elcheikh Hussam Courant Bruno | 2011 | 激光与光电子学进展2011,48,7: | 14 |
| 3 | 激光干涉气液两相流测量图像自动辨读方法的研究显示文摘在能源、化工、炼油、制药、机械制造等领域中广泛存在着气液颗粒两相流的测量问题,因此气液两相流测量技术一直是国内外的重点研究课题。该文将介绍一种气液两相流测量的新技术一激光干涉气液两相流测量技术(ILIDS),它具有提取两相流参数全、测量精度高和测量区域较大等优 点。该技术利用高干涉性片状激光束照射气液两相流,粒子将激光以折射和反射的方式散射,用高速数码相机(120万象素)收集并汇聚散射光成像,折射光与反射光之间因存在相位差会在汇聚成像系统的失焦平面上形成干涉条纹图,图中包含粒子的粒径和空间信息。利用作者开发的图像处理软件对两相流干涉图像进行数据处理,自动高速提取两相流信息,将处理结果与人工辨读比较,有效粒子信息提取率高于90%,粒子定位及粒径计算误差小于5%。实验证明本图像处理技术具有工业在线测量的潜力。 | 浦世亮 浦兴国 袁镇福 岑可法 Loic MEES Denis LEBRUN | 2004 | 中国电机工程学报2004,24,2: | 14 |
| 4 | 激光数码全息测量技术在循环流化床中的应用显示文摘粒子在床内的空间分布对循环流化床的研究非常重要,该文用激光数码全息技术对流化床冷态实验台的稀相区进行测量试验。利用HE-NE激光器通过两扇开设在流化床炉壁上的玻璃窗照射床内粒子,激光与粒子遭遇并产生衍射,衍射生成的同轴全息图被一只数码摄像机拍摄。基于该文的数学模型,同轴全息过程可以用一组小波函数的卷积来表述,因此两相流粒子的三维图像可以通过全息图与小波函数的卷积来实现数码重建。利用一系列图像处理手段从三维重建图像中获得粒子的粒径和三维坐标,从而得到流化床内部的粒子空间分布。最后对实验结果进行了分析。 | 浦世亮 Denis Lebrun 王勤辉 岑可法 任宽方 | 2005 | 中国电机工程学报2005,25,15: | 11 |
| 5 | The expression and functions of microRNAs in pancreatic adenocarcinoma and hepatocellular carcinoma显示文摘Pancreatic adenocarcinoma and hepatocellular carcinoma are devastating human malignancies that are characterized by poor prognosis,late onset,and a lack of known biomarkers.New diagnostic and therapeutic molecular targets are desperately needed to develop novel and effective treatment strategies.MicroRNAs (miRNAs) are an emerging class of molecules with roles in various cellular processes,including growth,survival,and apoptosis.Most importantly,aberrant expression of miRNAs has been implicated in cancer pathogenesis.miRNA expression profiles of pancreatic adenocarcinoma and hepatocellular carcinoma indicate selective overexpression of oncogenic miRNAs and down-regulation of tumor suppressive miRNAs in these cancers.This review summarizes results from key studies conducted to characterize the miRNA expression profiles of pancreatic adenocarcinoma and hepatocellular carcinoma and describes the potential mechanisms by which some oncogenic or tumor suppressive miRNAs act.Furthermore,this review outlines novel therapeutic strategies for targeting miRNAs. | Wei Li Drake G. LeBrun Min Li | 2011 | Chinese Journal of Cancer2011,30,8: | 6 |
| 6 | Origin and development of residual stresses in the Ni-NiO system in situ studies at high-temperature by X-ray diffraction 显示文摘 | Huntz A M Lebrun J L | 1993 | Mater Sci Eng1993,160,: | 1 |
| 7 | Effect of Shot Peening on Residual Stress and Fatigue Life of a Spring Steel显示文摘 | Faraahi G H Lebrun J L Couratin D | 1995 | Fatigue and Fracture of Engineering Material and Structures1995,18,2: | 1 |
| 8 | Balanced multiwavelets theory and design 显示文摘 | Lebrun J Vetterli M | 1998 | IEEE Trans SP1998,46,4: | 1 |
| 9 | Modeling of elastic nonlinearities in ferroelectric materials including nonlinear losses显示文摘 | Sebal G Lebrun L Guyomar D | 2005 | IEEE Trans US Ferro Frequ Contr2005,52,4: | 1 |
| 10 | Crystal growth and characterization of new high curie temperature(1-x)BiScO3-xPbTiO3 single crystals显示文摘 | ZHANG Shujun LEBRUN L RHEE S | 2002 | J Cryst Growth2002,236,: | 1 |
| 11 | A partionbased approach towards constructing Galois (concept) lattices显示文摘 | Petko Valtchev Rokia Missaoui Pierre Lebrun | 2002 | Discrete Mathematics2002,256,3: | 1 |
| 12 | Epidemiological survey of the orthopaedic status of severe haemophilia A and B patients in France显示文摘 | Molho P Rolland N Lebrun T | 2000 | Haemophilia2000,6,1: | 1 |
| 13 | Inexact graph matching based on kernels for object retrieval in image databases显示文摘 | Lebrun J Gosselin P H Foliguet S P | 2011 | Image and Vision Computing2011,29,11: | 1 |
| 14 | A new method for quantifying EEG event- related desynchronization: amplitude envelope analysis 显示文摘 | Clochon P Fontbonne J M Lebrun N | 1996 | Electreencephalography and Clinical Neurephysiology1996,98,2: | 1 |
| 15 | Modelling extreme stretching of DNA 显示文摘 | Lebrun A Lavery R | 1996 | Nucleic Acids Res1996,24,: | 1 |
| 16 | Potent diazoxide analogue activating ATP-sensitive K^ + channels and inhibiting insulin release显示文摘 | Lebrun P Arkhammar P Antoine M H | 2000 | Diabetologia2000,43,: | 1 |
| 17 | Balanced multiwavelets: theory and design显示文摘 | VETTERLI M | 1998 | IEEE Trans on SP1998,46,4: | 1 |
| 18 | The role of surgical debridement in healing of diabetic foot ulcers 显示文摘 | Gordon KA Lebrun EA Tomic-Canie M | 2012 | Skinmed2012,10,1: | 1 |
| 19 | Scroll compressors u- sing gas and liquid injection: experimental analysis and modeling显示文摘 | WINANDY E L LEBRUN J | 2002 | International Journal of refriger- ant2002,25,8: | 1 |
| 20 | Balanced multiwavelets theory and design 显示文摘 | Lebrun J Vetterli M | 1998 | IEEE Trans Signal Process1998,46,4: | 1 |