2) coal petrographic constituents
煤岩相
3) coal-bearing formation
含煤岩系
1.
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
2.
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。
3.
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。
4) coal-bearing rock series
含煤岩系
1.
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。
2.
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。
3.
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。
5) coal-bearing strata
含煤岩系
1.
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。
2.
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。
3.
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。
6) coal bearing formation
含煤岩系
1.
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。
补充资料：煤岩相学
分子式：
分子量：
CAS号：
性质：见煤岩学。
分子量：
CAS号：
性质：见煤岩学。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条