煤阶,Coal rank
1)Coal rank煤阶
1.It is essential part for the CBM research to study on high coal rank and low coal rank CBM reservoiring and their comparison.煤层气藏成藏过程是反映煤层气富集成藏的演化史,研究高、低煤阶煤层气成藏过程及其差异性是研究煤层气富集成藏的重要组成部分。
2.The result is found out that the evolution of adsorption capacity and potential are well-regulated with coal rank.本文根据在平衡水分、30℃条件下实测和收集的煤的等温吸附资料,采用吸附势理论,计算了各个煤样吸附等体积(5cm3/g)甲烷时的吸附势,发现随煤阶的增加吸附势呈规律性变化。
3.Effects of coal rank and macerals on extractionyield are discussed respectively.在温和条件、室温、常压下用CS2-NMP混合溶剂对徐州、淮北、龙口、枣庄煤各种宏观煤岩组分进行抽提，探讨了煤阶、煤岩组分与革取率的关系。
英文短句/例句
1.Determination of transmittance for low rank coalGB/T2566-1995低煤阶煤的透光率测定方法
2.Key Controlling Factors Comparison between High and Low Rank CBM Reservoir Formation;高、低煤阶煤层气藏主控因素差异性对比研究
3.The Research of Accumulation of Low Rand Coldbed Methane in the North-West of China;中国西北低煤阶煤层气成藏地质特征研究
4.Discussion on Criteria for Evaluation of Selected Target Areas in Prospecting CBM in Low Rank Coal in Xingjiang新疆低煤阶煤层气勘探选区评价标准的探讨
5.Analysis of typical production mechanism and characteristics of coalbed methane wells for high rank coal in south Qinshui basin沁南高煤阶煤层气井排采机理与生产特征
6.Geological Characteristics and New Development Progress of Low Rank Seam Coal Bed Methane in China我国低煤阶煤层气地质特征及最新进展
7.Microscopic Mechanism Study on the Influence of Coal Rank on Adsorption Capacity煤阶对煤吸附能力影响的微观机理研究
8.Destructive influences and effectively treatments of coal powder to high rank coalbed methane production煤粉产出对高煤阶煤层气井产能的影响及其控制
9.The Reservoir Characteristics and Tectonic Influence of High Rank Coalbed Methane in Qinshui Basin, Shanxi Province;山西沁水盆地高煤阶煤层气成藏特征及构造控制作用
10.The new technology of high-concentration gasifying CWM from low rank coal低阶煤制备高浓度气化水煤浆新技术
11.Peat, the first stage in the formation of coal, is a low-rank material.泥炭是煤形成的第一阶段，是一种低质煤。
12.An Experimental Study on the Mechanism of Adsorption and Desorption of CBM on Low-rank Coal低阶煤煤层气吸附与解吸机理实验研究
13.～(13)C-NMR Research of Coalification Mechanism for Low-medium Rank Coal;中低煤化作用阶级煤化作用机理的～（13）C-NMR研究
14.THERMAL EXTRACTION BEHAVIOR OF LOW RANK COAL IN THE COAL DERIVED LIQUIDS低阶煤在煤液化衍生油中的热萃取性能
prehensive analysis of coal break on steep and thick coal seam 102m section急倾斜厚煤层102m阶段煤体综放开采煤体致裂综合分析
16.Duddell Street Steps and Gas Lamps都爹利街石阶及煤气路灯
17.The Status of CBM Work in Coal Resources Prospecting Stage and the Countermeasures河北省煤炭资源勘查阶段的煤层气工作现状与对策
18.Application of Oblique Sublevel Positive-Step Mining Method on Steeply-inclined Unstable Seam急倾斜不稳定煤层斜分段正台阶采煤方法的运用
相关短句/例句
rank[英][r??k][美][r??k]煤阶
1.FT-Raman spectroscopic characterisation of chars from the pyrolysis of coals of varyingrank;不同煤阶热解半焦的FT-Raman光谱研究(英文)
2.CBM resource was enough in China, which included the lowrank and highrank CBM reservoirs.我国煤层气资源中高煤阶和低煤阶的煤层气资源相当可观,但高、低煤阶的煤层气成藏的地层水地球化学特征存在着一定的差异,这间接地制约着我国煤层气产业化的进程。
3)coal step煤阶
1.In China, coal can be divided into five metamorphism levels—tencoal steps.中国煤炭资源可分为 5种变质程度共 10种煤阶 ,对其中 4种变质程度共 6种煤阶煤岩的力学参数进行了测试与研究。
4)low rank coal低煤阶煤
1.For making best use oflow rank coal which came up to 40% in China"s total coal reserve,the new method of gradual gasifying oflow rank coal was put forward,namely,mild gasification and its heat coalite gasified continuously under high temperature,and the market and profits of its product were analyzed.为充分利用好占中国煤炭资源 4 0 %以上的低煤阶煤 ,提出低煤阶煤分级气化新工艺———温和气化及其热半焦连续高温气化 ,并对其产品进行了其市场和经济分
2.The resources, production, consumption and classification oflow rank coal in the world have been described.阐述了世界低煤阶煤的资源、生产、消费及其分类，国际低阶煤分类日趋统一，结合我国资源特点，建议增加次烟煤（ｓｕｂｂｉｔｕｍｉｎｏｕｓｃｏａｌ）类，便于和国际低阶煤分类衔接。
3.The resources oflow rank coal in the world have introduced in this paper.本文介绍了世界低煤阶煤炭资源及其分类。
5)anthracite rank无烟煤煤阶
1.In this study,the effect ofanthracite rank and binders on the reactivity of anthracite formed cokes were major objects.重点研究了无烟煤煤阶和粘结剂对型焦反应性的影响 ,为便于分析 ,同时对粘结剂和原料无烟煤的反应性进行了研究 。
6)low-rank coal低煤阶
1.Exploration and development of CBM fromlow-rank coals have been very successful in the world,and its exploration potential in China is very large because China is very rich in such resource.世界范围内低阶煤层气勘探开发已获得了巨大的成功,中国拥有丰富的低煤阶煤层气资源,具有广阔的勘探前景。
2.CBM gas reservoirs inlow-rank coals are featured by large thickness of coal seams,high permeability,low gas content,and high adsorption saturation.低煤阶煤层气藏具有煤层厚度大、渗透性好、含气量低但吸附饱和度较高等特征。
3.In recent years, the rapid development of the coalbed methane accumulation theory and exploitation technology have led to the successful development oflow-rank coalbed methane accumulations, continuous thin-layer methane accumulations and high-rank, low-permeability coalbed methane accumulations, which has greatly widened the coalbed methane development scope.近年国内外煤层气成藏理论、开发技术的快速发展,使得低煤阶气藏、连续薄层气藏、高煤阶低渗气藏等都获得成功开发,大大拓宽了煤层气的开发领域。
延伸阅读
标准煤(见煤当量)标准煤(见煤当量)standard coal、~‘~1人、4《1工兀飞coal)见煤当等
