metamorphic grade of coal

英 美
  • 煤变质程度
  • coal n.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
  • grade n.等级;年级;成绩;斜坡v.分级;评分;渐次变化
  • metamorphic adj.变性的;变态的;[地]变质的
  • of prep.关于;...的(表所属);出身于;由于
    1. These findings are significant in understanding of the characteristics of coal petrographic constituents and in separating and enr.
      煤岩组分和煤变质程度是影响煤层生储气能力的主控因素。
    2. Research shows that maceral and the degree of metamorphism of coal rock are key factors that control the generating and storing capacity of coal rock.
      煤岩组分和煤变质程度是影响煤层生储气能力的主控因素。