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- Study of rock pressure and rock burst of first deep coal face in Zhang xiaolou mine 张小楼井深部首采工作面采动压力与冲击矿压研究
- This old coal face is to be reworked next week. 这个旧的采煤工作面下周将重新开采。
- deep coal face 深部采场
- He has worked at the coal face for eight hours. 这矿工在工作面上已经干了八小时了。
- It is a main part of the aspirating system of the coal face. 设计的任务主要是对喷雾泵进行设计并进行必要的校核。
- Cutting dust is the rootstock in coal face by analyzing the dust root in mine. 通过对煤矿尘源的分析可知,截割粉尘是采掘工作面粉尘的根源;
- Wennan colliery of Xinwen Coal Mining Group is an old coalmine and is mining deep coal layer. 汶南煤矿是新汶矿业集团进入深部开采的老矿井。
- Controlled source audio magnetic telluric (CSAMT) is an effective approach to detect deep coal stratum in complicated-terrain mountain. 摘要对于复杂地形山区深部煤系地层的勘探,可控源音频大地电磁法(CSAMT)是比较有效的一种方法。
- So the similar simulation method is used in research on the instability mechanism and displacement rules of overlying magmata strata at the process of deep coal seam exploitation. 文章以相似模拟实验为手段研究了深部煤层开采过程中高位赋存的岩浆岩的运移机理,得出岩浆岩初次破断为固支梁的下位拉断非全厚破断,且破断后立即失稳;
- Two models for output of mechanized coal face are constructed with Markovian theory. 利用马尔可夫理论,构造了两个机采工作面产量的模拟模型。
- Air leak seriously influences coal face supersedure at second air road of Dongyi mining area. 东一采区二段风道小井漏风严重影响了采煤工作面的接续,制约采区巷道维修。
- The main factors of influencing top corner gas on coal face in production was analysed by example. 通过实测,分析了实际生产中影响采煤工作面上隅角瓦斯的主要因素。
- This paper introduces the methods and measures of the adjustment of support tilt caused by ultrahigh mining in fully mechanized coal face. 本文介绍了综采工作面回采超高时倾斜歪倒支架调整的方法及措施。
- The technology of super long coal face in three soft layers can be realized to excavate safely and effectively by the measurement in site. 通过现场实测表明三软煤层中布置超长工作面能够实现安全高效生产。
- The roadway forming along gob is to form a roadway by supporting along the gob behind the coal face.It serves for this coal face and next coal face. 沿空成巷是直接在工作面后方沿采空区边缘支护形成一条巷道,它服务于本工作面及相邻工作面,一巷两用。
- It has important guidance effect and actual meanings in determining the strip mining method for excavating deep coals under buildings. 对确定建筑物下深部压煤是否采用条带法开采,具有重要的指导作用和实际意义。
- Her face bore the deep imprint of suffering. 她的脸上带着受过苦难的深深的痕迹。
- The blasting mining caving coal face,large indination and overhand mining technology is successfully applied in Chaohua Coal Mine of Zhengzhou Coal Industry Group Comp. 郑州煤业集团超化煤矿采用炮采放顶煤工作面大倾角仰采技术取得成功,解决了大倾角采煤工作面的支架失稳问题。
- Automatic lifting of shearer drum is one of key techniques of coal face automation, and its core is identification technique of coal and rock interface. 滚筒自动调高是实现采煤工作面自动化的关键技术之一,其核心是煤岩分界识别技术。
- We carried similar material imitation with up-dip mining method experiment,with it we studied the cover rock movement and breach laws in incline fully mechanized coal face. 本课题在实验室做了“仰斜开采覆岩结构破坏规律相似材料模拟”试验,通过试验研究了倾斜综放采场覆岩移动破坏规律。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries