coal bearing ratio是什么意思

用法例句

Study on the Sporopollen Assemblages and their Geological Era in the Coal-bearing Formation of the Late Palaeozoic Era in Tangyang Mine Field of Jining;

济宁唐阳井田晚古生代含煤岩系孢粉组合及其地质时代

Upper Permian coal-bearing formation in Xinhua coal-mine is a set of coal-bearing formation of marine carbonate rock and clastic rock in Liuzhi,Guizhou.

贵州六枝特区新华煤矿上二叠统含煤岩系属于一套海陆交互相含煤建造。

Based on the rock type of coal-bearing formation ，the key factors to control rock mechanics properties ，such as lithological characters ，in-situ stresses, and moisture, are systematically analyzed.

基于含煤岩系主要岩石类型,系统分析了决定岩石力学性质的主要控制因素如岩性、地应力和水,探讨了不同岩性岩石在不同侧压和不同含水条件下的力学特征,分别建立了含煤岩系岩石力学性质与岩性、地应力和水等主要控制因素之间的定量关系。

The coal-bearing rock series-Yanan Formation,250～350m in thickness,contains more than 20 coal seams.

本文对灵武煤田含煤岩系延安组煤岩显微组分的甾萜类化合物作了对比研究。

The stratigraphic age of Dunri coal-bearing rock series was formerly belongedto Late-Triassic Epoch, but its many features such as lithology, lithofaces,coal quality andsporopollen assemblage etc.

墩日含煤岩系时代原定为晚三叠世。

The coal-bearing rock series rock mass structure is the basic factor to control coal and rock deformation,based on this presupposition,guided under fundamental theories of rock mechanics and fractal geometry,put forward two parameters of rock mass strength factor conditional on rock Young s modulus and Poisson s ratio and fractal dimension conditional on strata thickness.

含煤岩系变形规律的研究,对煤炭资源评价和开采、煤矿瓦斯灾害预测、煤层气的可开发性评价具有指导意义。

Coal-bearing strata have been divided into three sections by interpreting large amounts of drill information and by evaluating the properties of the coal-bearing strata.

以大量钻孔资料为基础,通过分析研究,对含煤岩系的含煤性作出评价,划分了3大含煤段,利用有效的对比方法和依据,对可采煤层进行全区对比分析,最后对全区煤层进行统一编号,为该区开矿及外围勘探提供宝贵的资料。

The paper introduces how to use composed patterns of logging curve to research into the vertical changing characteristics of coal strata,which has provided the basis for the sequence division of coal-bearing strata.

介绍了利用测井曲线的组合形态研究煤系地层各体系域在垂向上的变化特征,为含煤岩系层序的划分提供依据。

Integrated some literatures both home and abroad,we have discussed abundance,hosting state,geologic genesis and possibility of utilization of useful metals such as niobium,gallium,rhenium and scandium in coal and coal-bearing strata.

综合国内外一些研究资料,论述了煤和含煤岩系中有益金属铌、镓、铼、钪的丰度、赋存状态、地质成因以及利用的可能性。

Using systematically historical and modern comparative methods,it has been discussed that oil source rock maturity,lithological properties and oilfield conditions of worldwide oilfield generated from coal and coal bearing formations.

运用系统的历史和现实类比分析方法 ,对世界含煤岩系煤成油田的源岩成熟度、烃源岩类型和煤成油田形成条件进行了综合研究。

Imbricate structures in the deposits and three original types in Mesozoic coal measures in the South of China;

我国南方中生代含煤岩系中的沉积叠瓦状构造及其成因类型

Comprehensive comparison among coal measures in Ping-Yu-Ru Mining Areas of Henan Province;

河南平禹汝矿区含煤岩系综合对比分析

In recent years sequence stratigraphic techniques have been successively applied in hydrocarbon exploration and it has also promoted the study of coal measures sedimentology.

同时还讨论了河北南部晚古生代含煤岩系层序地层特征。

Application of Coal-bearing Formation Rock Depositional Features in Three-soft Coal Seam

含煤岩系沉积特征在“三软”煤层中的应用

Platinum and palladium in the coal-bearing series in the east of Yunnan,China

滇东地区含煤岩系微量元素特征及含铂性分析

Sequence Stratigraphy and Coal Accumulation for Coal Measures of the Carboniferous-Permian in Hunjiang Coal Field

浑江煤田石炭二叠纪含煤岩系层序地层与聚煤作用

A Comparative Study on Coal-bearing Strata Sedimentary Characteristics and Main Coal Seams in Liudian Minefield,Huaibei Coalfield

淮北煤田刘店井田含煤岩系沉积特征及主煤层对比研究

Coal-bearing Strata Characteristics and Sedimentary Environment in Shuonan Mining Area, Shanxi

山西朔南矿区含煤岩系特征及其沉积环境

Potential Coexisting and Associated Mineral Resources in Coal and Coal-bearing Strata-- An Issue Should Pay Close Attention to

煤和含煤岩系中潜在的共伴生矿产资源——一个值得重视的问题

Coal-bearing Strata Sedimentary Features and Coal Accumulation Process in Lower Middle Series, Jurassic System, Qinghai Province

青海省下中侏罗统含煤岩系沉积特征及聚煤作用

Coal-bearing Strata Sedimentary Environment Analysis in West Karasay Area, Kamst Coalfield

卡姆斯特煤田喀拉萨依西区含煤岩系沉积环境分析

Sequence stratigraphy and palaeogeography of the Lower and Middle Jurassic coal measures in Turpan-Hami Basin

新疆吐哈盆地中、下侏罗统含煤岩系层序地层及古地理

The Influence of Structural Deformation on Coalification:A Case Study of Carboniferous Coal Measures in the Northern Foothills of the Dabie Orogenic Belt

构造变形对煤化作用进程的影响——以大别造山带北麓地区石炭纪含煤岩系为例

Application of Logging Traces in Coal-bearing Strata Division and Correlation--A Case Study of a Minefield in Northern Panxian, Guizhou Province

测井曲线在含煤岩系的划分及对比中的应用——以贵州省盘县北部某井田为例

Triaxial creep characteristics and constitutive relation of gas-containing coal

含瓦斯煤岩三轴蠕变特性及本构关系

Changfushan Coal Mine Aquifer Limestone Mine Area and its Relationship with the Coal-bearing Strata

昌福山煤矿区灰岩含水层及其与煤系地层的关系

Numerical Simulation of the Carbonic Daqing Limestone Aquifer for Xingtai Coal Mine in Hebei

河北邢台煤矿石炭系大青灰岩含水层数值仿真

Ordovician limestone aquosity prediction using nonlinear seismic attributes:Case from the Xutuan coal mine

应用非线性地震属性预测煤矿奥陶系灰岩含水性：许瞳煤矿实例(英文)

Study on Reasonable Width of Coal and Rock Pillar under Thick Aquiferous Loose Bed;

厚含水松散层下煤岩柱合理留设研究

Research on Constitutive Models and Instability Rules of Gas-saturated Coal

含瓦斯煤岩本构模型与失稳规律研究

Study on Correlations between Petrographic Features and Coking Performance of Single Coals

单种煤煤岩特征与结焦性关系的研究