查询词典 roughness

In the traditional founded surface metrology, the irregular roughness of surface topography falls into three scales, which were form, waviness and surface roughness respectively, according to their corresponding wavelength or frequency.

传统的表面计量学中，表面形貌的这种不规则的粗糙性被划分到三个尺度之中，分别为形状误差、波纹度和表面粗糙度。

By coaxially detecting the images of the cutting front and the sparks jet, the relationship between the detected signals and cutting quality, including cutting defects and surface roughness, has been obtained. Self-optimizing control aiming to the best roughness on some certain cutting conditions has been realized.

本文通过同轴视觉传感系统同时获得切割前沿和切割火花簇射视觉图像，成功地提取了产生切割缺陷和切割面粗糙度变化时图像特征信号的变化规律，首次实现了以无切割缺陷并且在一定工艺条件下获得最高切割质量为目标的切割速度自寻优控制。

As we all know, In order to adapt to the needs of national economic constructions,To solve the problem of river traning in the land management,the computation of water conveyance losses in the water conservacy constrution,the flood computaton in the Flood Prevention,the Hydrological Computation when bridge design of bridge in the highway and railway constructions, and the roughness of the river channel is a important parameter in the Hydraulic calculation, many scholars commtted to the roughness of the river floods.

为了适应国民经济建设的需要，解决国土整治中的河道治理，水利建设中的输水损失计算，洪水计算，公路、铁道建设中的桥梁设计都涉及到水力计算，其中糙率是水力计算中的重要参数，很多学者致力于河流洪水糙率的研究。

Profilograph, fundamental roughness ruler and multirange roughness ruler have obvious advantages, which can be used as effective methods in the directive statistical research of JRC.

轮廓曲线仪、基本粗糙度尺和多量程粗糙度尺具明显的优越性，为JRC定向统计研究提供了有效的手段。

The surface roughness of these films were investigated by SEM and surface roughometer, and the dynamic clotting time and hemolysis rate of these different roughness micromagnetic field surfaces were tested.

测试了不同粗糙度的微磁场表面的动态凝血时间和溶血率，研究了微磁场表面的粗糙度对材料血液相容性的影响。

Jb-2c roughometer, is specially used to evaluate surface roughness of internal and external roll paths of bearings .it can also be used to measure the roughness of parts in forms of plane, sphere and of small size.

仪器用以评定轴承内外圈滚道表面粗糙度。仪器也可测量平面、斜面、球面、外圆柱面、内孔表面、深槽表面，圆弧面及微小零件的粗糙度，所以在机械、模具等行业中广泛使用。

The surface roughness of the laser shock peened medium has effect on the high frequency of laser-generated surface acoustic waves. As the impact times of the laser shock peening increase, the surface roughness has little effect on the dispersion of laser-generated surface acoustic waves. From the theoretical curve and experiment curve, it can ...

本文研究的结果，可对研究样品激光冲击硬化后残余应力、晶粒方向改变和错位密度增加分别对激光声表面波色散影响提供了基础，并对利用激光声表面波的色散特性来研究激光冲击硬化材料冲击层材料性质的变化具有一定的意义。

The standard workpiece of the ring compression test by Lee and Altan will be used in this report. The specimen will first annealed to eliminate the internal stress and then through different ways of machining to produce different roughness of surface and different direction of machining marks. The ring compression test with various lubricants and dry friction were carried out at room temperature. The experiment results were drawn on the diagram of friction factor developed by Lee and Altan to compare the influence of the roughness of surface to plastic forming with or without lubricants.

实验将依Lee and Altan压环试验所用之标准压环试片进行，实验试片先经退火处理消除内应力，再将试片以各种不同之加工方式制作成具有不同的表面粗糙度，与不同刀痕方向之摩擦面，再於常温环境下实施乾摩擦与添加不同润滑剂之压环试验，将实验结果所得之数据绘制於Lee and Altan之定剪摩擦系数图中，以比较其不同表面粗糙度对塑性成形之影响，同时也说明在各种不同表面粗糙度下添加各种润滑剂对成形之影响。

Based on geometrical and physics optics, the principle of light scattering method to measure surface roughness was analyzed. The mirror and diffraction model were set up which show there is a quantitatively corresponding relationship between light's intensity distribution of reflected flare—light scattered band and surface roughness parameters.

作者通过对光学非接触表面粗糙度、微位移测量单元技术进行分析，确定以结构简单、测量速度快的光散射法测量表面粗糙度；以光散射法测量表面粗糙度和光学三角法测量微位移这两种不同工作原理和功能的光电传感器作为集成对象，使二者实现相同光源、相同光路、相同光敏接收器的光电传感器集成。

The order of surface roughness under no-tillage with different standing crop stubbles is millet forage＞maize forage＞oats＞rape, while the order of the soil wind erosion modules is rape＞oats＞maize forage＞millet forage. The larger the soil wind erosion modules are, the smaller the surface roughness is.

留有不同直立作物残茬免耕土壤地表粗糙度草谷子＞草玉米＞莜麦＞油菜，土壤风蚀侵蚀率呈现相反的趋势，地表粗糙度越大，风蚀侵蚀率越小。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。