2) dirt band
夹矸
1.
The study of impact of dirt band on top coal drawing mining;
夹矸对放顶煤开采的影响
2.
The paper has studied the caving characteristics and technology on the fully-mechanized caving mining working face in structural complex thick seam containing dirt band are studied.
通过对综放工作面含夹矸结构复杂段顶煤放出特征和放煤工艺的研究,提出选择两刀一放单轮间隔放煤方式,有利于提高煤炭回收率,降低原煤含矸率。
3.
With the research on fully-mechanized sublevel caving technology for the structural complex thick coal seam containing dirt band in the fully-mechanized sublevel caving face,large amount of measurements were taken out in situ around how to decide the fully-mechanized sublevel caving technology and its major parameters.
通过现场工艺试验,对综放工作面含夹矸结构复杂段合理综放工艺参数进行了研究,围绕该工作面主要综放工艺参数的确定,进行了大量的现场实测研究,确认在结构复杂条件下的顶煤的冒放性不仅受放煤参数、顶煤及直接顶的垮落特征的影响,而且还主要受夹矸层的岩性及厚度的影响,确定选择两刀一放单轮间隔放煤方式对提高煤炭采出率,降低原煤含矸率有利。
3) parting
[英]['pɑ:tɪŋ] [美]['pɑrtɪŋ]
夹矸
1.
Research on coal caving characteristics and caving technology for fully mechanized top coal caving mining face in thick seam with complicated parting structure;
含夹矸结构复杂厚煤层综放开采顶煤放出特点与放煤工艺研究
2.
On the basis of mechanical property test of rock, the characteristic of combination system for coal and rock parting were thoroughly studied.
在煤岩力学性能试验的基础上，对煤矸组合系统的力学特性进行了较为深入的分析，揭示了含夹矸顶煤的破碎机理，建立了确定含夹矸层厚度上限值的方法，由此提出了提高含夹矸顶煤冒放性的主要技术措施，并在现场应用中取得了满意的效果。
3.
The epigenetic partings in coal seam refer the ones which are formed by tectonism after coal seam formed.
煤层“后生夹层”是指在煤层形成以后，由于地质构造作用而形成的夹矸，根据其发育部位、形态特征、产出状态，可将其划分出４种主要类型：刺状夹矸，包卷夹矸，板状夹矸和泥皮夹矸，文中详细讨论了各种夹矸的特征并阐述了研究意义。
4) contained Fe2S nodules
含硬夹矸
5) thickness dirt band
厚夹矸
1.
Sub-level caving mining with seam of thickness dirt band;
含厚夹矸煤层的综放开采
6) tonstein belt
夹矸带
补充资料：夹叙夹议
1.边叙述边议论。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条