球直径

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。

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 .

抽油泵阀球直径的选择

How to Select Valve Ball Diameter in Sucker Rod Pumps

SOD活性随子球直径的减小明显升高。

The activity of SOD increased with the decreasing of cormel size .

磨球直径对机械合金化合成TiC反应过程的影响

Influence of diameter of milling balls on TiC synthesis process by mechanical alloying

TiO2纳晶颗粒的尺寸大约为20-30nm；TiO2聚集球直径可达2μm；两者均为纯锐钛矿型。

The size of TiO2 nanocrystalline particles are about 20-30 nm , TiO2 spheres are up to 2 microns in diameter . Both of them are pure anatase .

标准硅球直径精密测量系统的设计

A Precision Measuring System for the Diameter of Single Crystal Silicon Sphere

相关分析发现，毛干直径与毛球直径呈显著正相关。

The diameter of hair bulb positively correlated with that of hair shaft .

磨球直径和添加剂对行星球磨行为的影响

Effects of Ball Radius and Additive on the Behavior of the Planet Ball - Milling

计量泵阀球直径与活塞直径比例关系的研究

Study on the proportionate relationship between the diameter of piston and the diameter of valve ball of metering pump

第二因子为产量构成因子，包括3个与籽粒产量有关的性状，有效花球数、每球籽粒数、球直径；

The second was yield composed factor including 3 characters , effective fruit , number of grains per fruit and fruit diameter .

当梯度层数相同时，随着球直径增大，骨架的厚度增粗，坯体的抗压强度也略有增加。

When gradient layer is same and diameter of spheres increases , compressive strength enhanced slightly due to the increase of strut thickness .

研究了摇瓶培养条件下，装液量和接种量等对菌体形态及洛伐他汀产量的影响，实验确定孢子浓度越大，形成的菌球直径和游离菌丝长度越小，产洛伐他汀能力越大；

The experimental datas indicate higher spore density would lead to smaller diameter of pellet and shorter free mycelial which can contribute to high-level lovastatin effectively .

通过对光学干涉系统结构设计和元件参数选择，最大限度地优化了干涉条纹的可见度，并设计出零背景光强标准硅球直径精密测量系统。

On the basis of structure design of optical system and parameter option of optical components , the visibility of interference fringe with zero background intensity is optimized .

当温度、氧分压和气流速度保持一定时，比燃烧速率近似为常数，石墨球直径可以近似为线性收缩。

When the temperature , partial pressure of oxygen and flowrate of gas are in steady , the specific combustion rate is approximately constant and the diameter of graphite ball shrinks linearly .

基于多光束干涉的基本原理，导出了使用斐索干涉仪测量硅球直径多光束干涉光强分布的精确公式。

Based on the basic principle of multiple-beam interference , an intensity distribution formula of the multiple-beam interference is derived for measuring the diameter of single crystal silicon sphere by Fizeau interferometer .

摩擦副的摩擦系数随滑动速度和不锈钢球直径的增加而下降，当滑动速度从45r/min升至225r/min时，摩擦副的摩擦系数下降54.24%；

Friction coefficient decreased with the increasing sliding speed and diameter of stainless steel ball . It reduced 54.24 % , while the sliding speed enhancing from 45r / min to 225r / min.

探讨了球磨机转速、干磨与湿磨以及研磨球直径对蛭石细化效果的影响，分析了其中的影响因素。

It discusses the influence of rotary velocity of ball mill , dry grinding style , wet grinding style and the diameter of grinding ball to the granularity of roseite , analyses the effected factors .

结果表明：（1）黄鲷受精卵和初孵仔鱼比其他鲷科鱼类的略小，受精卵径为0.834~0.998mm、油球直径为0.184~0.198mm、初孵仔鱼全长2.25mm。

The results showed that :( 1 ) Both the fertilized eggs and the just-hatched-larvae were slightly smaller than those of other species of Sparidae . The diameter of egg and oil globule was 0.834-0.998 ? mm and 0.184-0.198 ?

针对朱顶红不同品种及其不同种球直径，采用不同切割时间、份数等方法，进行朱顶红鳞茎切割繁殖方法研究；探讨植物生长调节剂对朱顶红鳞茎切块产生子球与子球生长的影响。

Cutting propagation method of Hippeastrum bulb was investigated by using different cutting time and number according to the different varieties and their bulb diameters . The effect of the plant growth regulator on bulblet propagation and their growth was discussed .

在一定温度范围内提高激振频率，降低钎料熔融温度或射流压强，有利于射流均匀断裂，减小钎焊球直径，提高焊球质量。

So reducing the melting temperatures or jet pressures , and increasing the vibration frequency are propitious to jetting liquid rupture equably . The diameters of the solder balls become smaller and smaller , and the quality of solder balls become better and better .

针对目前的硅球直径测量系统忽略了多次反射对干涉信号造成的影响和系统中固有的条纹清晰度低的问题，研究了多次反射对干涉信号造成的误差，结果表明其最大光强误差可达到8%。

Aiming at that ignoring interference signal error by multiple-beam interference in other measuring systems and low visibility of interference fringe due to the problem of interference system itself , the influence of multiple-beam interference is studied and found the error reaches to 8 % .

结果表明，产物为直径0.2~5μm的ATO实心球和直径为2~20μm的ATO空心球。

The results show that the products are ATO solid and hollow spheres with the diameters of about 0.2 5 μ m and 2 20 μ m , respectively .

合成过程中通过简单改变反应物的浓度就可以调控产物硫化铜球的直径（600nm到3μm）。

The diameter of the product of CuS ball ( 600nm to3 μ m ) can be controlled by simply changing the concentration of the reactants .

通过一系列实验优先了球坑直径，以保证此法具有较高的灵敏度。

The spherical pit diameter was optimized to obtain higher sensitivity .

球幕直径为24米。

The screen diameter equals 24 meters .

在一定的充填范围内，生球平均直径与给料量无关。

The average diameter of green ball was unconcerned with feed rate within a certain range of filling ratio .

传感器依赖于小玻璃球（直径约2毫米）几乎无法察觉的移动，而小玻璃球则是因为气体分子在磁力的作用下使其产生了偏移。

The sensors rely on the barely perceptible movement of tiny glass spheres each about 2mm in diameter that are deflected by gas molecules attracted by a magnetic process .

指出在一个无损耗单元内，从一个偏振态到另一个偏振态的任何变化，都对应着庞加莱球相对于直径的一个旋转。

In a lossless unit , any change from a polarization state to another polarization state is pointed out to be corresponded to a rotation of Poincare sphere relative to the diameter .

在球磨分散工艺中，找到了一种新的分散方法，通过降低球磨球的直径，提高了荧光粉粉末的分散度同时保持亮度不下降，降低了分散工艺所用的时间。

Found a new ball milling condition in the ball milling process . Through decreasing the diameter of beads , the dispersion state of phosphor powder is increased and brightness of phosphor powder is kept unchanged , time for dispersing phosphor is decreased .

本论文结合深圳文化中心工程黄金树节点从理论上对复杂空间钢结构巨型焊接空心球节点（直径1.1m～3.0m，壁厚22mm～32mm）进行计算与研究。

Combined with the joints of golden tree in the ShenZhen cultural center , the paper makes theoretically research and calculator on the huge welded hollow sphere joints of complex special steel structure , ( diameter : ! . 1-3.0 meter , thickness : 22mm ~ 32mm ) .