The effect of basic rock thickness, mining height and advancing speed on roof breaking is analyzed.
并进一步分析了基岩厚度、采高、推进速度对顶板破断的影响。
Regional geochemistry anomaly in mining deposit was well-developed, and anomaly distribution is controlled by sill and swarm of basic and ultrabasic rock.
矿床区域地球化学异常发育，异常的分布受基性—超基性岩岩群和岩带制约，异常浓集中心与矿田的岩矿体一致。
The primary gold deposits in western Hunan are included mainly in three types as quartz vein type, fracture zone altered rock type and altered basic rock type.
湘西地区的岩金矿，主要有石英脉型、破碎带蚀变岩型和基性岩蚀变型三类。
The writers think of the two-pyroxene granulite enclaves as the undissolved renains while some kind of basic rock in crust is partly dissolving and after the mid-acid porphyry formed.
笔者们认为二辉麻粒岩包体是下地壳中某种基性岩发生部分熔融，形成中酸性斑岩后的难熔残体，并且利用微量元素的定量模式计算了部分熔融的程度。
Phosphate rock is one of the four most important basic chemical commodities.
磷酸盐类的岩石是四种最重要的基本化学商品之一。
Shear failure is a basic failure mode of borehole rock.
井眼剪切破坏是井眼岩石基本破坏形式之一。
Such vents, where molten rock from inside the Earth's mantle heats seawater to as much as 660 degrees Fahrenheit, could have provided the energy and basic organic molecules needed to spark life.
在这些排气口周围，来源于地球深部融化岩石可将海水加热到660华氏度那么高，这里提供的能量和生命所需的基本分子物质足以产生生命。
The basic swing dance step begins with a triple step and ends with a rock step.
摇摆舞的基本步骤开始了三重一步，用石头一步完。
On the basis of analyzing the test of rock properties and its processing characteristics, this paper describes the principles of equipment selection and the basic methods of key equipment selection.
在分析料源岩性试验和岩石加工性能的基础上，给出了设备选型的原则及关键设备选型的基本方法。
Firstly, the basic rule of seepage in fissured rock mass and the mechanism of the effect are studied.
首先分析了裂隙岩体渗流运动的基本规律，研究了应力对渗流作用影响的机理。
Rock thermal fracturing has great application prospect and is one of the basic research objects of geodynamics.
岩石热破裂在工程上应用广泛，并且是地球动力学基础研究对象之一。
Basic features and spatial distribution of physiochemical field of the pan water rock system were analyzed.
分析了泛水岩系统物理化学场的基本特征及其空间分布规律。
Rock drill-ability is the basic parameter to optimize bits, make drilling plan and reduce drilling cost.
岩石可钻性是优选钻头，制定生产定额以及降低钻井成本的基础。
Structure of rock mass contains two basic factors: the structural plane and body.
岩体结构包括两个基本要素：结构面和结构体。
The similar material model test is one of the rock mechanics basic research approaches.
相似材料模型试验是岩石力学的基本研究方法之一。
There are three basic types of rock from which we carve out stone floors.
有三种基本类型的岩石从我们雕刻石木地板。
It is an important problem in oil and gas field exploration and development to determine the physical parameters of reservoir rocks, and core analysis is a basic way of obtaining reservoir rock data.
确定储油气层岩石的物性参数是油气田勘探与开发中的一个重要问题，而岩心分析是获得储层岩石资料的一种基本手段。
There are three basic types of rock climbing.
攀岩运动有三种基本形式。
The study of Rock drillability and blastibility is a basic topic in the fields of drilling and blasting, it has important practical meaning also.
岩石可钻性和可爆性研究是凿岩爆破领域的基础性课题，同时也具有重要的实际意义。
Testing study is made on the basic mechanical property of thenardite salt rock, which includes uniaxial compressive, indirect tensile and Angle changed shear tests.
针对岩盐这一特殊性质的岩石，进行了基本的力学特性试验，包括单轴压缩、间接拉伸及变角剪切。
There are all have the high rock slope in railroad, traffic, water conservancy, and mine etc. basic engineering construction region.
在铁路、交通、水利水电、矿山等基本建设工程领域，均存在大量高陡岩质边坡。
The stratum, intrusive rock, and faulted structure are three basic ore-forming geology factors of tungsten ore in the work area.
地层、侵入岩、断裂构造是工作区内钨矿的三个基本的成矿地质条件。
A discussion is made on the basic concept of rock weathering, and some fuzzy cognition is clarified.
讨论岩体风化的基本概念，澄清一些传统的模糊认识。
In the meantime, from the basic viewpoints of rock fracture mechanics, an insight is made into the mechanism of floor heave water in coal mines.
同时，用岩石断裂力学的基本观点对煤矿底鼓水的机理进行了探索性研究。
The engineering classification of rock masses is one of the basic problems in rock mechanics.
岩体的工程分类是岩体力学的基本问题之一。
Rock strength is a basic parameter for rock engineering design.
岩石强度是岩体工程设计的基本依据。
Soil mechanics, rock mechanics and engineering geology are the three basic courses for geotechnical engineering discipline.
土力学与岩石力学和工程地质一起并称为岩土工程的三门专业基础课。
Rock mechanical characteristic is basic issue in the study of rock engineering.
岩石的力学特性是研究岩石工程问题的基础。
Rock mechanical characteristic is basic issue in the study of rock engineering.
岩石的力学特性是研究岩石工程问题的基础。
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