Rock breaking under water jet impact is an extremely complicated process.
水射流作用下岩石的破碎是一个极为复杂的过程,对水射流作用下岩石破碎机理的认识依然是众说纷纭,由此对水射流破岩机理有多种不同的学说。
The compressive deformation of broken rocks is obviously characterized by time-dependence.
破碎岩石的承压变形具有明显的时间效应,文中自行设计了破碎岩石承压变形仪,结合摆锤杠杆式压力机建立破碎岩石的蠕变测试方法,并针对破碎砂岩开展了相关蠕变试验研究,总结得出蠕变变形与轴向载荷、破碎块径等的关系。
Using multi-material fluid-structure interaction method and ALE method as well as explicit dynamical finite-element method,the complicated process of numerical simulation of rock fragmentation by high-pressure jet is studied according to the characteristics of the process.
针对高压水射流破碎岩石的特性,结合多物质流固耦合算法与ALE(任意拉格朗日欧拉)算法,利用显示动力学有限元程序对该复杂过程进行数值模拟,得出岩石破碎过程中的流体与固体的相互作用及岩石的破碎动态扩展过程并对连续射流冲击与脉冲射流冲击对岩石的切割效果进行对比。
This paper introduces experiments and research results of rock fragmentation process and drilling technology with acoustic spectrum analysis used in Russia.
介绍了俄罗斯采用声谱分析方法研究岩石破碎过程和钻探规程的情况和结果 ,讨论了岩石破碎与声波的关系 ,说明了钻进时如何测量声波 ,分析了孔底功率、碎岩声波和钻头胎体温度与钻探工况 (抛光、正常钻进、烧钻 )的关
According to the fractal theory,a fractal model for consuming energy on rock fragmentation is provided through energy consumption analysis of rock fragmentation in rotary drilling.
该模型显示出旋转钻井岩石破碎能耗不仅与钻压、转速等钻井参数关,还与地层岩石破碎体的尺度和粒度分布分形维数等因素有关。
Energy Savings During Magnetite Ore Preparation in Eastern Hebei Province;
冀东磁铁矿石粉碎过程节能降耗研究
To break, pound, or grind(stone or ore, for example)into small fragments or powder.
压碎把（石头或矿石等）挤压、捣碎或碾成小碎块或粉末
A perforated iron plate or screen for sieving and grading crushed ore.
篦条筛用于筛选粉碎的矿石并分级的有孔铁板或铁筛
The ship was pounded to pieces against the rocks.
那船在岩石上撞得粉碎.
break into lumps before sorting, as of ore.
在分类前把矿石弄碎。
A machine that crushes rock or ore.
颚形碎石机一种碾碎岩石或矿石的机器
All stones were fragmented and the stone clearance rate was 89.6% (43/48).
结石粉碎率100%,结石清除率89.6%(43/48)。
A mixture of crushed ore and water.
矿浆碾碎的矿石与水的混合物
Rail concentrates covered processing and sintering, iron ore processing.
铁精矿石粉加工、结、矿石加工。
Companies specializing in the production of mining, crushing, screening equipment.
公司专业生产矿山、粉碎、筛分设备。
CONTROL OF POWDER DUST POLLUTION IN THE UNDERGROUND CRUSHING STATION OF A COOPER MINE IN ANHUI PROVINCE
安徽某铜矿井下破碎站粉尘污染治理
crushing machine for earth stone ores or other mineral substances in solid form
轧碎机器,用于固体泥土,石料,矿石或其它矿物
A sea dash the ship to shatter against the rock
一个大浪把船冲到礁石上撞得粉碎
A boat was smashed to shivers on the rocks.
一条船撞在礁石上被砸得粉碎。
A sea dashed the ship to shatters against the rock.
一个大浪把船冲到礁石上撞得粉碎。
He dashed the glass bowl to bits on a rock.
他对着石块把玻璃碗砸得粉碎。
SMASH CHIANG KAI-SHEK'S OFFENSIVE BY A WAR OF SELF-DEFENCE
以自卫战争粉碎蒋介石的进攻
Dantes ran down the rocks at the risk of being himself dashed to pieces.
邓蒂斯冒着粉身碎骨的危险奔下岩石。