breaking up of boulders

In the stope for the mass caving method, the bottom structure, at which the secondary crushing level was arranged, was used generally.

在大量落矿采矿法的采场,普遍采用设有二次破碎水平的底部结构,不但采准工作量大,而且不能解决高效落矿与低效出矿的矛盾。

This paper studies the primary breakup and secondary breakup of axisymmetrical dissemination of liquid.

对静止空气中液体轴对称抛撒的首次破碎及二次破碎进行了实验研究,通过纹影装置获得其首次破碎及二次破碎发展过程的纹影照片,通过激光散射粒子直径测量仪获得了二次破碎所形成雾化场的Sauter平均直径(SMD)随时间和空间的分布。

In the process of dissemination, breakup and atomization of liquid, the transient period from primary breakup to secondary breakup is a very important phase.

液体抛撒、破碎和雾化过程中 ,首次破碎向二次破碎转化的过程是一个非常重要的阶段。

The secondary breakup is an important phase in the process of dissemination,breakup and atomization of liquid.

实验结果表明，液体环二次破碎产生云雾区的液滴Ｓａｕｔｅｒ平均直径在固定点随时间的增加呈减小的趋势，而云雾区的宽度和云雾区前缘的液滴颗粒的Ｓａｕｔｅｒ平均直径则随测量的距离增加均有所增加。

The Studies of Receptivity Problems and Parallel Numerical Simulations for Jet Secondary Breakup Interfacial Problems

感受性问题以及射流二次破碎界面问题并行数值模拟

Experiment study on liquid dispersal second-breakup with blast Wudeyi;

爆炸冲击波作用下液体抛撒二次破碎的实验研究

Investigation of the Initial Breakup and Secondary Atomization Mechanism of Fuel Spray

燃油喷雾初始破碎及二次雾化机理的研究

Hydrated silicon dioxide with such three layers structure has good transparence and is easily crashed and dispersed.

具有此三次结构的水合二氧化硅透明性好,易被破碎、散。

The Research and Implementation of Two-Dimension Fragmental Objects Matching Methods;

二维破碎物体复原方法的研究与实现

The second-story system suffered relatively little in structural respects although windows were broken and paste cracked.

第二层楼在结构方面所遭破坏较小，虽然窗户破碎，壁灰碎裂。

per acre six-row-sowing a time,the adjustment of linewidth as well as the rate of damage can not pass 5%.

一次实现6行播种,行间距可调,破碎率在5%以下.

The act or process of breaking.

破碎打碎的动作或过程

Leaves curled, ragged edges.

叶卷曲、边缘破碎。

During World War II his father was run off his legs.

第二次世界大战期间，他父亲破产了。

A proof that broken-wheel graphic arrangements are quadratic

破轮图所决定构形为二次构形的证明

This defeat shattered Napoleon's dreams of an empire in the Middle East and India.

这次失败粉碎了拿破仑企图在中东和印度建立帝国的迷梦。

Edge Effects on Avian Distribution and Reproductive Success in Fragmented Secondary-forest;

破碎化次生林的边缘效应对鸟类分布格局及繁殖功效的影响

The Research on the Second Phase Crushing Mechanics during Semi-solid Processing and the Properties of Ferro-silicon-aluminium Alloy;

半固态成形铝硅铁合金第二相破碎机理及性能的研究

Engineering Characteristics and Parameter Value of Pile Foundation Design of Crushing Mudstone of Main Bridge Project of Erqi Yangtze River Bridge in Wuhan

武汉二七长江大桥正桥破碎泥岩工程特性与桩基设计参数取值

the stone will be hauled to a secondary crusher; a secondary source; a secondary issue; secondary streams.

这块石头将会拖到二号粉碎机；第二手来源；次要问题；支流。

The act or process of breaking into fragments.

破碎打碎成碎片的动作或过程

Interparticle Comminution,More Crushing & Less Grinding and Inertia Cone Crusher

料层粉碎、多碎少磨与惯性圆锥破碎机