ball diameter

The experimental index is the power and impact energy of unit mass ; the experimental factor is the ratio of the rotational speed , filler of medium , ball diameter to ball ; three levels are selected to every fator .

以球磨实验机的单位质量的功率和单位质量的冲击能量为试验指标；选取转速率、介质填充率、磨球直径和料球比为试验因素；每个因素取三个水平。

How to Select Valve Ball Diameter in Sucker Rod Pumps

抽油泵阀球直径的选择

A New Method for Measuring Tiny Ball Diameter

一种微球球径测量的新方法

Measuring error analysis of ball diameter

钢球直径测量误差分析

Study on selecting ball diameter in ball spinning

滚珠旋压工艺的滚珠直径选择

How to add balls by mass average ball diameter

如何用质量平均球径补球

The effects of acetabular component position and hip ball diameter on posterior stability after total hip replacement

不同髋臼杯前倾位置和球头假体大小对全髋关节置换术后后方稳定性的影响

The bearing capacity is increased by reducing contact angle and increasing steel ball diameter and adopting full complement ball design .

通过减小接触角、增大钢球直径和采用满球设计提高其承载能力；

Effects of various parameters of spherical cycloid and ball diameter on the self-lock performance of the mechanism are analyzed in detail .

分析球面摆线各参数、钢球直径等对传动机构自锁性能的影响。

The accurate numerical value of contact stress in outer raceway and ball diameter under high-speed was achieved with the finite element analysis method of Hertz contact .

用Hertz接触问题的有限元法分析方法，得到高速下球径与外圈接触应力的数值解。

The effect of the peening distance , peening time , ball diameter and ball quantity on the thickness of the heavy deformed layer and the surface roughness of the part after the USP process were analyzed .

研究了喷丸距离、喷丸时间、钢球直径和钢球数量对于喷丸后试件获得的大变形层深度及表面粗糙度的影响。

The results such as the relationships between phase-change time and ball diameter , the relationships between phase-change time and heat transfer temperature differences , the relationships between phase-change time and the variation of phase-change boundary situation were obtained .

得到了在第一类边界条件下相变时间与球径和传热温差的关系，以及相变界面位置变化与相变时间的关系等结果。

Some results have been first found out , such as the relationship between the different ball diameter and speed , the optimal ball radius with the minimized outer ring contact pressure , the risky ball radius with the maximized inner spin-to-roll ratio , and so on .

首次确定了滚珠直径与不同转速之间的对应关系，得到了使外圈接触应力最小时的最佳球径、内圈旋滚比最大时的危险球径等若干结果。

KMC production of fully welded ball valve diameter DN15-DN1500 , the use of advanced design and manufacture of high quality standard ball .

KMC全焊接球阀的生产口径DN15-DN1500，利用先进的设计制造出高品质的标准化球阀。

Applying this system to measure and demarcate the shape of a ball with diameter of 3 cm , then do the 3D measurement in the mouth , satisfying result is achieved .

应用该系统对一直径为3cm的小球作了外形测量并进行了标定，进而在口腔内作了三维测量，并获得了令人满意的结果。

This paper suggested to measure M value on steel ball of proper diameter , so to measure the tooth 's thickness of dividing circle .

建议用恰当直径钢球进行测量，这样才能测出分度圆齿厚。

An adjustable-speed four-ball machine was used to test the steel ball wear spot diameter variation laws under different load conditions and rotational speeds .

利用可调速四球机测试血液在不同转速及不同载荷条件下钢球平均磨痕直径的变化规律。

The valve ball has large internal diameter and provides a smooth flow passage for the well fluid ;

阀球内通径大，打开后阀球通道与管柱同心，成为流体流动的畅通通道；

This measurement is independent of the ball screw features ( diameter and lead ) and its deformations .

这种测量方法是独立滚珠丝杠功能（直径和铅）和其变形。

The film surface was compact and characterized many equal crystal ball particulate with average diameter of 50 nm .

薄膜表面十分致密，呈多晶球状微粒均匀分布，平均粒径为50nm；

The present study offers theoretical support for the preload and engineering application of wire race ball bearings with large diameter .

研究结果为大型钢丝滚道球轴承的预紧研究和工程应用提供了理论指导。

A game using a leather-covered ball 6 feet in diameter ; the two side try to push it across the opponents ' goal .

一种用一个皮质的直径是六英尺的球；双方尽力推它穿过。

Full bore pipeline ball valves the channel diameter and the same diameter , only a small fluid resistance , but also easy to clean pipes .

全通径球阀的通道内径与管线内径一致，不但流体阻力小，也便于管道清理。

The difference between the o-ring and the ball abutment is the diameter of the male attachment on the abutment .

环支台与球形支台之所不同系在其雄性栓柱部分。

Ultra-fine-pitch wire bonding may make some parameters to their physics extreme , require the free air ball and bonded ball of smaller diameter and the diameter of gold line adopted .

超细间距引线键合将部分参数推向其物理极限值，要求更小直径的金球（FreeAirBall）和键合球（bondedball），所采用的金线直径更小。

Ball valve fully open , the flow resistance is very small , almost zero , so the ball valve diameter is widely used in petroleum and natural gas pipelines because the pipeline cleaning easy .

球阀在完全开启时，流阻很小，几乎等于零，因此等径球阀广泛应用于石油天然气管线中，因为容易清扫管线。