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664篇 您的检索式:作者名="HAAS H"
    题名 作者 年代 出处 被引量
1O形密封圈的有限元力学分析显示文摘采用大型有限元分析程序 MARC/ Mentat32 0对 O形密封圈在“安装”状态和密封流体介质作用下的力学性能进行了分析 ,研究了造成密封圈撕裂损坏及材料松弛的当量 Cauchy应力峰值大小及位置随密封流体介质作用的变化情况 ,以及轴和密封接触面间的接触压力及剪应力分布状态。为重要场合下 O形密封圈的正确选用提供了一种方法。陈国定 Haiser H Haas W Lechner G 2000机械科学与技术2000,19,5:115
2阶梯组合密封件的力学性能研究显示文摘采用大型有限元分析软件 MARC/ Mentat32 0 ,分析了阶梯组合密封件 (阶梯形密封 +O形密封圈 )截面上的当量 Von Mises应力分布 ,使用三种不同硬度 O形密封圈的阶梯组合密封件在不同工况下的径向力、密封接触区宽度及摩擦功耗。所获得的计算结果对于阶梯组合密封件的设计及使用都是非常有意义的。陈国定 Haiser H Haas W Lechner G 2000机械科学与技术2000,19,6:15
3Premotor biomarkers for Parkinson's disease-a promising direction of research显示文摘The second most serious neurodegenerative disease is Parkinson’s disease(PD).Over the past several decades,a strong body of evidence suggests that PD can begin years before the hallmark clinical motor symptoms appear.Biomarkers for PD are urgently needed to differentiate between neurodegenerative disorders,screen novel therapeutics,and predict eventual clinical PD before the onset of symptoms.Some clinical evaluations and neuroimaging techniques have been developed in the last several years with some success in this area.Moreover,other strategies have been utilized to identify biochemical and genetic markers associated with PD leading to the examination of PD progression and pathogenesis in cerebrospinal fluid,blood,or saliva.Finally,interesting results are surfacing from preliminary studies using known PD-associated genetic mutations to assess potential premotor PD biomarkers.The current review highlights recent advances and underscores areas of potential advancement.Brian R Haas Tessandra H Stewart Jing Zhang 2012Translational Neurodegeneration2012,1,1:5
4密封系统性能的表面粗糙效应试验研究显示文摘分析了密封系统中硬对偶件表面粗糙特性对密封系统工作性能的影响,揭示了在相对运动密封零件表面间摩擦学过程中出现的微观曲路密封效应和微观跑合效应,为通过控制密封系统中硬对偶件表面加工工艺以形成优秀的表面形貌,来提高密封系统的工作性能提供了新的思路和概念。陈国定 Haiser H Haas W Lechner G 2000机械工程学报2000,36,6:3
5Flocculation of fine fluorite particles with Corynebacterium xerosis显示文摘Haas S R Nascimento F R Schneider I A H 1999Revista de Microbiologia1999,30,:1
6A randomized clinical trial of inpatient family intervention,lII:effects at 6-month and 18 -month follow-ups 显示文摘Spencer J H Glick I D Haas G L 1988Am J Psychiatry1988,145,9:1
7Inhibition of the sodium-potassium-chloride cotransporter isoform-1 reduces glioma invasion显示文摘Haas BR Sontheimer H 0,,13:1
8Placement of a Left Veutricular Pacing Lead After Balloon Angioplasty of a Coronary Vein Stenosis: Coronary Sinus Obstruction as a Complication After Mitral Valve Operation显示文摘Solzbach U Haas H 2008Circulation2008,118,9:1
9The concentrations of culturable microorganisms in relation to particulate matter in urban air显示文摘Haas D Galler H Luxner J 2013Atmos Environ2013,65,2:1
10The effect of pathogen-specific clinical mastitis on the lactation curve for somatic cell count 显示文摘Haas Y de Barkema H W 2001J Dairy Science2001,85,:1
11Mineralization of vestimentiferan tubes at methane seeps on the Congo deep-sea fan显示文摘Haas A Little C T S Sahling H 2009Deep-Sea Research Part I2009,56,:1
12The role of char surface structure development combustion显示文摘LORENZ H CARREA E TAMURA M HAAS J 2000Fuel2000,79,10:1
13Faster 4X4 matrix method for uniaxial inhomogeneous media显示文摘Wohler H Haas G Fritseh M 1988J Opt Soe Am A1988,5,9:1
14Measuring the economic impact of retirement migration: the case of Western North Carolina显示文摘Serow W J Haas W H 1992Journal of Applied Gerontology1992,11,2:1
15Harnessing nonlinearity:Predicting chaotic systems and saving energy in wireless communication显示文摘Jaeger H Haas H 0,,5667:1
16The utilization of certain hydrocarbons by microorganisms显示文摘Bushnell L D Haas H F 1941Journal of Bacteriology1941,41,5:1
17Migration and development: a theoretical perspective显示文摘Haas H 2010International Migration Review2010,44,1:1
18Factors influencing survival after resection of pulmonary metastases from colorectal cancer显示文摘Vogelsang H Haas S Hierholzer C 0,,:1
19Cloning, structural organization and regulation of expression of the Penicillium chrysogenum paf gene encoding an abundantly secreted protein with antifungal activity显示文摘Marx F Haas H Reindl M Stoffler G Lottspeich F Redl B 1995Gene1995,167,1:1
20Harnessing nonlinearity: Predicting chaotic systems and saving energy in wireless communication显示文摘Jaeger H Haas H 2004Science2004,304,5667:1
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