粗糙度

These parameters include cathode current density, flow velocity of plating solution and thickness of galvanization coating.

摘 要：利用自制的模拟重力高速电镀槽，考察了在硫酸盐镀锌过程中，阴极电流密度、镀液流速、镀层厚度3个主要电镀工艺参数对所得锌层的粗糙度的影响。

This research presented a new guide mechanism and belt driving theory of the abrasive band polishing for inner aperture, satisfied the driving requirement of abrasive belt leading smoothly into grinding area, realized the band grinding and band polishing of inner aperture, developed a abrasive band polishing headstock for of the ball track of ball bearing and roller bearing individually adopting a way of curvature concave oscillating and vibrating, researched the process regular and fundamental process method and parameter of abrasive band polishing of ball track. The results of experiments and tests showed that the surface roughness of ball track by abrasive band polishing can reach Ra0.02μm, and the original geometric cross section shape precision of ball track can be kept.

本项研究提出了砂带研抛内孔的新型导引机构和传带原理，满足了砂带平稳导入内孔磨削区的传动要求，实现了内孔的砂带磨削和研抛；研制了采用弧面摆动和振动方式分别用于球轴承滚道和滚柱轴承滚道研抛的砂带研抛头架；研究了轴承滚道砂带研抛的工艺规律和基本工艺方法、工艺参数；实验测试结果，轴承滚道砂带研抛的表面粗糙度达Ra0.02μm，研抛过程保持了滚道的原始几何截面形状精度。

The winds at different heights and other parameters in the atmospheric boundary layer over water can be calculated by the use of the model as long as the geostrophic wind and...

在模式中，地转风速G，粗糙度z。，柯氏参数f是给定的外参数，风和湍

The experiment results indicate that retrieved polarimetric BRDF data charcaterises its spectral variability and the homogeneousness of material,and describes the color,roughness,electrical conductivity,texture,edge of the material and so on.

实验结果表明，反演后的偏振光谱BRDF数据不但准确地描述其波谱特征和材料的均匀性，而且能反映材料的颜色、粗糙度、导电性、纹理和边缘等特征。

Evaluation of three-dimensional surface roughness need to measure the three-dimensional coordinates of the points in the surface assessment region, the horizontal coordinates (x-coordinate), vertical coordinate (y-coordinate) and elevation data (z-coordinate).

三维表面粗糙度的评定需要测量出表面评定区域内各点的三维坐标，即横向坐标、纵向坐标和高度数据。

Stopping using them is very improvident. So, it is necessary to repair these instruments by improving the electronic measurement system and upgrading the software.

老式表面粗糙度测量仪还具有处理数据速度较慢，测量操作步骤繁琐等缺点，因此有必要通过改造电子测量系统和软件进行升级，使这些仪器重新恢复使用。

On the basis of establishing planar cutting model and cutting equation, through analyzing the rigidity of technical system infrequency chart, change cutting coefficient and the angle of cutter etc, emphasis measuring and analyzing hard turning 45 hardened steel the damaged layer of finished surface cutting force the roughness on finished surface and researching on the mechanism of wear and damage of cutter.

在分析二元切削模型和切削方程的基础上，进一步研究了切削变形及其影响机理；通过工艺系统刚性的频谱分析，改变切削用量、刀具几何参数等因素，测量并分析研究了精切淬硬钢的切削力、已加工表面粗糙度、加工硬化及表面残余应力及刀具的磨损情况，基本形成了精加工45~#淬硬钢的切削基础理论。

In additional, the roughness and atomic interdiffusion between the layers will also cripple the GMR effect and application characteristics.

最后，界面粗糙度、层间原子扩散等微结构缺陷的存在对器件稳定性的影响也变得明显。

This paper introduces a new interferometer for measuring the surface roughness based on the principle of differential polarization interferometry.

提出了一种表面粗糙度测量的新方法。

When the minority carrier life of PS decreases, the irradiative centers on surface of PS increase, which lead to decreasing of photoluminescence efficiency.

另外，原子力显微照片表明长时间的腐蚀使多孔硅表面层被化学腐蚀，从而降低了多孔硅表面的粗糙度。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。