Lateral dynamic features of a railway vehicle 

The lateral dynamic features of a railway vehicle are investigated using two similar wheel/rail contact models:the Vermeulen-Johnson and the Shen-Hedrick-Elkins...
高学军;Hans;True;LI;Ying-hui 下载次数(11)| 被引次数(0)

慢性前列腺炎/慢性盆腔痛综合征患者的前列腺组织病理学:一项前瞻性活检研究 

病理上 ,前列腺炎是指前列腺组织中炎症细胞数目增加 ,标本一般来自BPH或前列腺癌手术。但是 ,慢性前列腺炎 /慢性盆腔痛患者一般比BPH或前列腺癌患者年轻 1 0~ 30岁 ;有些病理诊断前列腺炎者并无该病病史 ,故用病理标准来解释前列腺炎症状还存在问
True;LD;王刚;顾方六 下载次数(51)| 被引次数(1)

Differential Etiology of Posttraumatic Stress Disorder with Conduct Disorder and Major Depression in Men 

Posttraumatic stress disorder(PTSD) is a notable public health problem.It is an extremely debilitating condition that can occur following exposure to a psych...
Karestan;C.Koenen;Mark;W.Miller;Andrew;C.Heath;Kathl… 下载次数(18)| 被引次数(0)

长余辉材料Sr_2MgSi_2O_7∶Eu~(2+),Dy~(3+)中稀土离子的发光特性 

利用同步辐射光源(德国HASYLAB实验室的SUPERLUMI实验站)和真空紫外激光(157.6nm)对新型蓝光发射长余辉材料Sr2MgSi2O7∶Eu2+(0·2%),Dy3+(8%)进行了光谱研究。在170nm同步辐射光源激发下,观察到对应Eu2+:5d-4f跃迁的477nm发射带和对应Dy3+:4f-4f跃迁的两...
陈永虎;施朝淑;KIRM;M;TRUE;M;VIELHAUER 下载次数(365)| 被引次数(13)

新型催化裂化工艺的良好性能 

强调了操作性能对保证流化催化裂化装置的产率和增加效益的重要作用、并重点介绍了毫秒催化裂化(MSCC)装置和常压重油转化(RCC)装置如何在实践中得到较高的运转性能。
MarkW.Schnaith;P.AlexSexson;DanielR.True;高… 下载次数(61)| 被引次数(0)

Motor competence and health-related fitness in children:A cross-cultural comparison between Portugal and the United States 

Background: Motor competence and health-related fitness are important components for the development and maintenance of a healthy lifestyle in children. This st...
Carlos;Luz;Rita;Cordovil;Luis;Paulo;Rodrigues 下载次数(21)| 被引次数()