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- Comparative research on four typical surface roughness length calculation methods 几种典型地表粗糙度计算方法的比较研究
- Keywords sandy grasslands;vegetational coverage;surface roughness length;sand transported rate;ecological effect; 沙质草地;植被盖度;地表粗糙度;输沙量;生态效应;
- sea surface roughness length 海面粗糙度
- surface roughness length 地表粗糙度
- 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。
- Land surface models, e. g. Biosphere Atmosphere Transfer Scheme(BATS), estimate albedo of trees over snow roughly with the parameters of roughness length, Z 0, and snow depth, d . 目前在地表模型 (如BATS模型 )中 ,是通过空气动力学粗糙度Z0 与降雪深度d两个参数来估计雪地上树冠的反照率的。
- Roughness length during the flood phase is larger than that during the ebb phase, whilst shear velocity during the flood phase is smaller than that during the ebb phase. 涨潮阶段床面粗糙长度大于落潮阶段,涨潮阶段摩阻流速小于落潮阶段。
- The main parameters calibrated in the model are dispersion coefficient(a=0.07, b=0.7), roughness length(0.02m), wind drag coefficient(Cwd=3%), and evaporation rate(0.1/d). 经过率定后确定模型中主要参数值如下:扩散参数a=0.;07;扩散参数b=0
- 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。
- The main research progress of the relationship between aerodynamic roughness length and vegetation characteristics is summarized and analyzed in this paper. 本文系统地总结了近年来空气动力学粗糙度与植被特征关系的研究成果;分析了各种植被特征因素与空气动力学粗糙度的关系;并对影响空气动力学粗糙度的植被因素的研究方向进行了预测.
- 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。
- 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。