由于钻头牙齿的作用而被破碎的岩石小片。
Small pieces of rock that break away due to the action of the bit teeth.
这个陨石坑近1英里宽,550英尺深,边缘是扭曲或破碎的岩石层。
The crater is nearly a mile wide and 550 feet deep, edged with layers of warped and shattered rock.
沿着新月海湾的地方,从一堆堆破碎的岩石堆中,一群羊叭嗒叭嗒地跑了过来。
Round the corner of Croscent Bay, between the pile-up masses of broken rock, a flock of sheep came pattering.
咬定青山不放松,植根于破碎的岩石,称磨000- 1000艰难,汉城,东部和西部的风。【板】。
Insist Aoyama do not relax, rooted in the broken rock, known grinding 000-1000 tough, Seoul, East and West Wind. [Banqiao].
岩石间细小的破碎是可以储水的,但当地下水被迅速的抽取时,这些岩石会发生坍塌,那么就算以后储水层有水可以再补给,也没有空间再来储存这些水了。
Tiny fractures in rock that can store water sometimes collapse when it's rapidly withdrawn, and then even if the aquifer had water to recharge it, there's no place for it to go.
他们相信借助于钻孔和破碎岩石,他们可以创造一个把二氧化碳吸收率提高100000倍或更多的进程。
By drilling and fracturing the rock they believe they can start a process to increase the absorption rate by 100,000 times or more.
钻头是直接破碎井底岩石的工具,钻井速度的高低与钻头类型密切相关。
Bit is the tool of crash rock and rate of drilling is deep related with type of bit.
钻头是直接破碎岩石的工具。
岩石破碎质量可通过对皮带末端降落过程中岩块摄像图像的分析来实现连续监测。
Rock crushing quality can be continuous monitored by means of photographing the aggregates falling from the end of conveyer belt.
实验表明,提高了射流冲击压力的破碎岩石效率。
Experiment shows the rock breaking efficiency of jet flow impact pressure is enhanced.
岩石晶粒的破碎,将导致扩容,并产生体积膨胀力。
Dilatancy and volume expansive force are caused by the breaking of rock grains.
实验和野外观测表明颗粒破碎显著影响高孔隙岩石的变形特征。
Laboratory and field observations show that grain crush can prominently affect deformation of porous rocks.
国内外现在使用的确定消耗在钻头破碎岩石功率的关系式主要是通过实验研究得到的经验公式。
The cutting rock power models used at home and abroad now mainly are experienced formulae which are obtained by tests.
主成矿期发生于脉岩形成后的构造破碎及岩石蚀变阶段,矿床为构造蚀变岩型金矿床。
The structure breaking up and rock alteration stage after dike rock formation is the main metallogenic epoch. The genesis type of the gold deposit is structure alteration rock type.
根据施工前进行试爆取得的爆破参数,建立了岩石破碎块度控制模型。
According to blasting parameters that were tested in previous implementation, the model of controlling the fragmentation is built.
采用动力接触法建立了高压水射流破碎岩石过程的计算模型。
A computational model of rock fragmentation by high pressure jet was established with dynamic contact method.
钻进松软、非固结,通常是浅地层时,通过仅仅依靠液力冲击载荷去冲蚀破碎钻头下的岩石。
To drill soft, unconsolidated, usually shallow formations by eroding the "rock" below the bit by hydraulic impact loading alone.
概括总结了近年来国内外关于高压水射流辅助破碎岩石机理的研究成果。
The paper generalized the research results on water jet assisted rock fractures both at home and abroad in recent years.
将分形理论用于解释岩石可钻性能量测试方法中岩屑试样的破碎机理。
The fractal theory is applied to interpret the fracturing mechanism of rock debris which is analysed by the drillability energy test methods.
本文通过对淹没射流破碎岩石的理论及实验研究,以破岩效率作为目标函数,得到射流破岩的最优压力条件。
Through the theoretical and experimental study on rock breaking by submerged water jetting, taking rock breaking efficiency as goal function, the optimum jetting pressure was acquired to break rock.
由于相对要冷一些,地壳是岩石态和易碎的,因此在地震中容易破碎。
Being relatively cold, the crust is rocky and brittle, so it can fracture in earthquakes.
进行室内三轴流变试验研究了风化破碎软弱岩石的流变特性。
Triaxial rheological experiment is done to study the rheological properties of soft rock which is rotten and cracked.
测定和研究与岩石实际破碎过程有关的动载特性,对解决工程中如何有效地破碎岩石和防止岩石破坏两问题很有必要。
The measurement and study of dynamic characters concerning the rock in breaking is necessary for the two-sided problems of how to break the rock effectively and prevent the rock from failure.
主要用途:本机供选矿、化学、水泥、建筑材料等工业部门中破碎和细碎各种中等硬度一下的矿石和岩石之用。
Main purposes: the machine is used to break the ore and rocks whose hardness is below the middle, in the works of industrial departments such as beneficiation, chemical, cement, building materials.
岩石破碎比功表征钻井中破碎单位体积岩石的功耗量。
The rock crushing work ratio denotes the work used to break rock of per volume in drilling.
本文论述了潜孔锤钻进的岩石破碎机理以及影响潜孔锤碎岩效果的因素。
This paper discusses the rock crushing mechanism of DTH hammer drilling and factor influencing the effect of DTH hammer broken rock.
同时由于拱向应力的增大,即增大了抗剪面剪应力,抵消了坝体下游破碎岩石的影响。
Increasing the arch thrust augments the shear stress on the surface of the shearing resistance part, which counteracts the influence of the crushed rock.
现代旋转钻井破碎岩石是以机械破岩为主导方式,射流辅助机械破岩的目的是提高机械钻速。
Mechanical rock breaking is the main function of modern rotary drilling. The purpose of jet aided mechanical rock breaking is to improve the penetration rate.
现代旋转钻井破碎岩石是以机械破岩为主导方式,射流辅助机械破岩的目的是提高机械钻速。
Mechanical rock breaking is the main function of modern rotary drilling. The purpose of jet aided mechanical rock breaking is to improve the penetration rate.
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