煤岩学 [地质] coal petrology ; anthracology ; coal petrography
显微煤岩类型 microlithotype of coal ; microlithotype
灰质腐泥煤岩 saprocollite
煤岩体 coal and rock ; coal and rock medium
煤岩显微类型 microlithotype of coal
双组分显微煤岩类型 bimaceral
半煤岩巷 half-coal and half-rock roadway ; semi coal and rock roadways
暗亮煤岩 duroclarite
暗煤岩 durite
The coal debris avalanche angle Ψ, the main factor of the rate of block coal and the design method of general forming die of spiral leaf are studied in the dissertation.
本论文对煤岩破碎时的崩落角ψ、影响块煤率的主要因素、螺旋叶片成形胎具的设计方法等进行了研究。
参考来源 - 采煤机工作机构CAD及薄煤层小直径滚筒装煤性能的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
在煤岩的分类中，有腐殖煤和腐泥煤之分。
烟煤的宏观煤岩分类是煤岩学研究的内容之一。
Macroscopic classification for bituminous coal is one of the research tasks for coal petrology.
所以煤岩的宏观破坏机理应从其荷载以及变形规律来研究。
So macroscopical damage mechanism of rock mass should research through its load and deformation law.
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