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- low rank soft coal 低阶烟煤
- Having or suited for a low rank or position. 地位低的具有或适合低职位的。
- A British nobleman of the lowest rank. 男爵不列颠贵族最低级的成员
- Soft coal burns with more flames than hard coal. 烟煤燃烧时火焰较无烟煤多。
- But the pubic only has soft coal, no any char. 可公家只有烟煤，没有干炭。”
- Within the range of workable deepness from the shallon to the bottom,there existed a verticalzonation of bituminous coal from low rank to high rank. 在由浅到深的可采深度范围内，存在着由低级烟煤到高级烟煤构成的垂直分带。
- Their feasibility is preyed by the low rank system model. 然后由低阶系统模型验证了该方法的可行性；
- 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。
- A Japanese nobleman of the lowest rank. 男爵日本贵族最低级的成员
- We also supply blind coal and soft coal from China and Indonesia. 煤炭产品主要是无烟煤与有烟煤等。
- The young officer came up from the lowest rank. 这个年轻的军官是从最低级的军阶晋升上来的。
- 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]
- A French nobleman of the lowest rank. 骑士法国最低级的贵族
- It has the lowest rank of the suits. 它在套牌里排序最低。
- The analysis considered the improvement of the coalbed physical property by heat in structural movements in high coal rank reservoirs and the important role of biogas and free gas in low rank CBM reservoirs. 在分析过程中考虑了构造热事件对高煤阶煤层气藏物性的改造作用和生物气、游离气在低煤阶煤层气成藏过程中的作用。
- The combustion characters of petroleum coke were between those of soft coal and anthracite. 石油焦的燃烧特性处于烟煤和无烟煤之间。
- Finally great depth of burial, long time and higher temperature may metamorphose the lignite into soft coal or bituminous coal and in extreme cases, to hard coal or anthracite. 褐煤经长时间进一步的深埋以及较高的温度的作用，便可变成软煤或烟煤，再进一步变化，便成了硬煤或无烟煤。
- 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。
- The influences of tectonic uplift on the physical properties of high and low rank coal-bed methane(CBM) reservoirs are different. 构造抬升对高、低煤阶煤层气藏储集层物性的影响具有显著差异。
