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- The main research findings are summarized as follows,A quarter-vehicle vibration model with two degrees of freedom and four vehicle parameters was built and the pavement surface roughness (PSR) was taken as the excitation in this model. 采用四分之一车辆振动模型,以路面不平整为激励,运用随机过程理论分析了车辆随机动荷载,探讨了车辆动荷载、动载系数及其峰值的概率分布以及车速、路面状况、车辆参数等对动载系数的影响。
- pavement surface roughness (PSR) 路面不平整度
- Study on Calculation of IRI Based on Power Spectral Density of Pavement Surface Roughness 基于路面不平度自功率谱密度函数计算国际不平度指数的研究
- Pavement Surface Roughness 路面不平整
- pavement surface roughness(PSR) 路面不平整度
- Head dresser is secured high surface rough. 高精粗糙度修整装置。
- Table 1-2 Surface roughness and chrominance of treated wood. 表2处理材于水质环境下经长期试验后防腐剂之保留率.......57
- Surface roughness has a profound effect on wind speed. 地表粗糙度对风速有相当深刻的影响。
- A New Noncontact Method for Rapidly Measuring Surface Roughness[J]. 引用该论文 胡克平;李田泽.
- Sandblasting to achieve the desired surface roughness. 清洁辊筒表面,边缘倒角。
- The adding of POSS in the polymer lowered the surface roughness. 添加POSS后聚合物表面粗糙度减小。
- Effects of different preparation procedures on abutment surface roughness. 不同预备程序对基牙表面粗糙度的影响。
- Pavement surface, directly subject to tyre loading and weathering, introduces therefore a few more requirements for both composing aggregates and final asphalt. 路面表层直接与自然环境接触并经受车辆荷载作用,对混合料及其组成集料都有更多性能上的要求。
- Grainy edge Surface roughness on edges of web caused on the drying process. 起皱纸边纸卷边缘在乾燥过程所引致的起皱情况。
- Research to the fire smog dynamic diffusion mechanism, the paper proposed the influence mechanism of the high temperature smog to the asphalt pavement surface temperature. 通过研究火灾烟雾的动态扩散规律,揭示了高温烟气对于沥青混凝土路面温度场的影响规律。
- Grainy edge: Surface roughness on edges of web caused on the drying process. 起皱纸边:纸卷边缘在干燥过程所引致的起皱情况。
- Surface roughness of the MSD MCrA1Y coating is far lower than the one of LPPS. MSD的MCrA1Y涂层表面粗糙度远比LPPSMCrA1Y低。
- Problems such as drill life exit burr and machined surface roughness etc. 对采用超声波振动钻削微小孔时钻头的寿命、出口毛刺和加工表面粗糙度等问题进行了研究。
- Wood surface roughness was studied by using fractal dimension method. 应用分形维对木材表面粗糙度特征进行研究。
- Thirdly, microstrain-, peripherin-thick, surface roughness, resolution 3%. 不一是球磨砂纲,感平层不薄,暗地粗劣,分辨率3%25。