查询词典 roughness

The mechanism of microscopical roughness forming on the aluminiumalloy casting surfaces has been studied by plaster investment casting.

本文通过熔模石膏型铸造法研究了铝合金铸造表面微观粗糙度的形成机理。

The chemical structure, surface roughness and dielectric property were investigated by FTIR AFM and MIM method respectively.

用FTIR，AFM和MIM等方法分别对化学结构、表面粗糙度和介电性能等进行表征。

Experimental research on ultrasonic honing engineering ZrO2 ceramics was carried out with W20 and W7 oilstone . In tests we studied the influence of ultrasonic honing on surface damage ratio, as well the influence of honing technics parameters on surface roughness.

采用W20和W7珩磨油石对氧化锆工程陶瓷进行了超声珩磨试验研究，给出了超声珩磨条件下对表面破碎率的影响以及珩磨工艺参数对表面粗造度的影响。

The influence of cutting speed and feed rate on the surface roughness of machined blade was investigated.

研究了切削速度和进给量对加工表面粗糙度的影响。

Using fuzzy roughness and local operator to update the membership function of FCM algorithm.

使用局部模糊粗糙度和待定算子来更新FCM算法中的隶属度函数。

Which can make the movement pair have optimal position accuracy and roughness of work piece?

导轨副用直线滑动导轨，运动灵活、精度高、为提高抗震性，采用阻尼块的结构，使运动副有最佳的定位精度和工作精度。

On the basis of experiment, the influence of wall roughness on fire transmission and overpressure in gas explosion was investigated.

在试验的基础上，研究了瓦斯爆炸过程中壁面粗糙度对火焰传播速度和超压的影响。

With the development of highway, pavement roughness has been more and more concerned.

随着公路交通的不断发展，路面平整度受到越来越广泛的关注。

Decreasing the parts' surface roughness, as it is shown after a long time practice that can realize the reliability and stabilization of the match; can reduce faction coefficient, wear, stress concentration, vibration, noises, and power consumption; can improve the operative precision and perceptivity; can increase the support area and contact intensity; and also can improve wear degree etc.

长期的生产实践表明，降低零件的表面粗糙度，对保证配合的可靠性和稳定性；对减少摩擦系数，降低动力消耗；对提高机械和仪器的工作精度和灵敏度；对增大支撑面积，减少磨损，提高接触刚度；对减少应力集中，增加耐疲劳强度，减少振动和噪声等均起着重要的作用：即表面粗糙度直接影响着机械和仪器的使用性能和使用寿命。

Teeth with grinding method ensuring high repeatablity of geometry permanent tooth tips and better blade roughness.

来自奥地利的优质原材料大幅度提升锯条品质。。性价比出众，优化客户的投入产出比。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。