查询词典 roughness

In the electrodeposited zinc from the sulphate baths containing a small amount Pb2+ions, the effect of Pb2+ on the texture, the morphology, the lightness, the gloss, the surface roughness, the friction factor and the black tarnish resistance of zinc deposits were investigated.

作者中文名：卢燕平；屈祖玉；卢琳；金艳明摘要：研究了用电镀法从含微量铅的硫酸盐镀液中获得的镀锌层，以及铅对其织构和结晶形态，镀层表面明度、光泽度、粗糙度、摩擦因数和抗黑变性能的影响。

Secondly, standard test of bonding interface tensile splitting strength and on-site simulated test of bonding interface pull-off strength were carried on after the roughness test study.

其次在粗糙度试验的基础上，对影响界面粘结质量的界面剂种类、粘结龄期、混凝土强度等级等几个主要因素进行组合，完成了粘结界面劈拉强度标准试验和钻芯拉拔现场模拟试验。

The main factors affecting the surface roughness of wood are: species, method of machining, radial or tangential section and cell structure of wood surface.

针叶材粗糙度和粗糙感的分布范围较阔叶材的窄，阔叶材的粗糙感主要受粗糙度的影响，针叶材的粗糙感主要来源于木材的年轮宽度。

The surface roughness of components is an important processing index in high-speed wire cutting process.

工件的表面粗糙度是高速走丝线切割中一项重要的加工工艺指标。

In this paper, the influence of track stiffness on vibration and noise of highspeed wheel/rail system for slab track is investigated under the excitation of wheel/rail roughness on the basis of wheel/rail noise prediction model.

文献仁1〕在国外轮轨噪声相关研究的基础上，结合机车车辆一轨道藕合动力学原理2〕，提出了列车一轨道多轮对系统的轮轨噪声预测模型。

M wide and 1.5 km long track seamless, roughness, and verticality are demanding, not every 10 meters more than 3 millimeters of error; track width, parallel to gauge, to ensure that such rockets in the past when the transfer is very smooth.

酒泉卫星发射中心试验技术部总工程师王金安表示，接下来的&神七&垂直转运是难度最大的，对基础设施要求非常高。

The influences of factors such as plate shape of blank,rolling oil,roughness of roller,distribute of process rate on rolling pass,tension distribution,roller bending,thermal crown and corresponding control methods are studied so as to improve the plate shape.

阐述了冷轧板形的定义和控制方法，研究了铝铸轧坯料板形、轧制油、轧辊粗度、道次加工率的分配、张力分配、弯辊控制、热凸度等因素对冷板板形的影响机理和相应的控制方法，通过控制达到改善冷轧板形的目的。

Firstly, using diamond wheels bonded by metal, resin and ceramic respectively, experiments about the influence of wheel speed, wheel swing frequency and coolant on grinding surface quality was done and the reason why parameters can influence the grinding surface roughness was deeply analyzed.

首先，分别对金属结合剂、树脂结合剂和陶瓷结合剂金刚石砂轮刃磨PCD刀具时刃磨表面粗糙度受砂轮速度、砂轮摆频及干湿磨削条件的影响进行了对比试验研究，深入分析了刃磨工艺条件对刃磨表面粗糙度的影响及其原因。

Considering all of above, combined the subsection of "the study of the repair and strengthening method for existing bridge" with the sustentation fund of Ministry of Education, the bond characteristic, failure mechanism and shear strength computation of interface between new and old concrete and their applications in bridge strengthening are studied through the model test with embedded bar or not. The research works are mainly concerned with the following aspects: Firstly, considering different influence factors, the full-range shear experiment of 6 groups with 18 Z-shape specimens is executed. The bond shear capacity of interface is studied as well as the degree of influence such as interface roughness, agent, strength of new and old concrete, the depth of embedded bar.

本文围绕教育部《高等学校优秀青年教师教学科研奖励计划》之子课题&既有桥梁的维修加固方法研究&，结合有和无植筋状况下的模型试验，研究新老混凝土结合面的粘结性能、粘结破坏机理和粘结抗剪强度的计算及在桥梁加固中的应用。

The relation between the resistivity and the surface roughness about Ni-Al films is studied.

研究了在纳米厚度范围内，Ni-Al薄膜的电阻率与表面粗糙度的关系。

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。