2) buttock
[英]['bʌtək] [美]['bʌtək]
煤帮
1.
Design of bolt support for buttock base on surrounding rock classification method of pressure releasing zone;
基于松动圈围岩分类法煤帮锚杆支护设计
4) coal deformation
煤体变形
1.
Relationship between lithological structure and coal deformation of Shuangquan district,Anyang mining area;
安阳矿区双全井田岩性结构与煤体变形的关系
2.
Then the influence of coal rank, maceral and coal deformation on coal adsorption capacity were discussed.
通过对中国华北和西北两个重要煤层气富集区煤的煤岩学、煤化学和等温吸附实验分析,从煤级、显微组分、煤体变形三个方面对煤的吸附容量及其控制因素进行了, 分析探讨。
5) coal mass deformation
煤体变形
1.
Experimental study on rules of gas drainage and coal mass deformation;
瓦斯排放与煤体变形规律试验研究
2.
Through the testing research about gas drainage on outsize coal sample, the relativity of coal mass deformation and drainage quantity & time is opened out.
通过大煤样的瓦斯排放试验研究,揭示了顺序加载与逆序加载下的煤体变形与瓦斯排放量以及排放时间的相关性。
6) top coal deformation
顶煤变形
1.
Based on in situ measurement with sub level caving mining, the characteristics of top coal deformation and top coal deformation vs abutment pressure are mainly discussed.
以放顶煤开采现场实测为基础 ,着重探讨了顶煤的变形特征、顶煤变形与支承压力的关系 ;对比分析了“卸载降架—拉架—支撑”和“带压移架”不同移架方式对顶煤破碎效果的影响 。
补充资料：标准煤(见煤当量)
标准煤(见煤当量)
standard coal
、~‘~1人、4《1工兀飞coal)见煤当等
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