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- Shenfu coal (a kind low rank coal) was used to produce high concentration CWM through de -watering and upgrading technology treatment. 介绍了神府低阶煤种经热力改性处理,可提高成浆浓度的研究结果,为低阶煤等难制浆煤种制备水煤浆提供了重要技术支持。
- The low rank coal CBM geology,including reserve condition,reservoir parameters and resource,is discussed in a case of Jurassic formations in Ordos Basin. 以鄂尔多斯盆地侏罗系为例,分析了低变质煤的煤层气地质特征、保存条件、主要储层参数的分布特征以及煤层气资源状况。
- DAI Zhong-shu,ZHENG Yun-hui.The study of groups variation of low rank coal during low temperature pyrolysis by FTIR spectrography[J].Coal Conversion,1997,20(1):54-58. [9]戴中蜀;郑昀辉.;经低温热解后各基团变化的研究[J]
- All the above observations indicate that lower rank coal is easier to combust than higher rank coal. 上述结果说明煤的变质程度越低燃烧越容易。
- GRADUAL GASIFYING OF LOW RANK COAL 低煤阶煤的分级气化
- high sulphur occurring low rank coal 高硫低阶煤
- The results show that it is feasible to adopt this method in laboratory for investigation of desoxydation of low temperature pyrolysis in low rank coals. 结果表明，在实验室采用此法研究低煤化度煤低温热解脱氧是可行的。
- In contrast, CBM gas reservoir in low rank coals has a short but centralized adsorption equilibrium time and high initial relative desorption percentage and speed. 其化学分子结构、物理结构及显微组分的差异是导致该差异的主要原因。
- Low Rank Coal Liquefaction Technology and its Evaluation 劣质煤液化技术及其经济评价
- Adsorption experiments of low rank coal under equilibrium moistures 低煤级煤平衡水条件下的吸附实验
- Raising the Proportion of Low Rank Coal in Coal Blending 增加配煤中低煤化度煤配比的研究
- Study on CBM Enrichment Mode of Low Rank Coal in China 低阶煤煤层气富集模式初探
- Keywords low rank coal;classification;subbituminous coal; 低煤阶煤;分类;次烟煤;
- Keywords reservoir feature;low rank coal;limnic basin; 储层特征;低煤级煤;陆相盆地;
- Effect of condensation heat on low temperature oxidation of a low rank coal 凝结热对低阶煤低温氧化过程的影响
- A British nobleman of the lowest rank. 男爵不列颠贵族最低级的成员
- Keywords low rank coal;low temperature pyrolysis;desoxydation method; 低煤化度煤;低温热解;脱氧方法;
- Having or suited for a low rank or position. 地位低的具有或适合低职位的。
- PREPARATION AND CHARACTERIZATION OF HIGH SPECIFIC AREA ACTIVATED CARBON FROM HIGH SULPHUR OCCURRING LOW RANK COAL 高硫煤基高比表面积活性炭的制备与表征
- A Japanese nobleman of the lowest rank. 男爵日本贵族最低级的成员
