炮采放顶煤,caving-working-face英语短句,例句大全

炮采放顶煤,caving-working-face
1)caving-working-face炮采放顶煤
1.Research on Law of the Presentation of the Mine Pressure with caving-working-face炮采放顶煤工作面矿压显现规律研究

英文短句/例句

1.Research on Law of the Presentation of the Mine Pressure with caving-working-face炮采放顶煤工作面矿压显现规律研究
2.Practice of "Two Wining and One Caving" Technique on Blasting and Top-coal Caving Working Face“两采一放”工艺在炮采放顶煤工作面的实践
3.Study on Laws of Rock Pressure Appearance at Blasting Caving Coal Face in Hezhuang Coal Mine何庄煤矿炮采放顶煤工作面矿压显现规律研究
4.Research and Application of Full-mechanized Caving Mining with High Mining Height in Huaibei Mining Area淮北矿区大采高综采放顶煤开采技术
5.The Influence of Seam Occurrence on Fully Mechanized Top Coal Caving煤层赋存状态对综采放顶煤采煤法的影响
6.Study on Gateway Top Caving Technology for Steep-inclined Coal Seam急倾斜煤层巷道放顶煤回采工艺研究
7.Roof-coal Falling Characteristics Analysis in Fully-mechanized Caving综放开采顶煤冒放性因素分析与评价
8.Practice on Mining Method Changing from Top Coal Caving Mining to Top Slice Mining工作面由放顶煤开采改为顶分层开采的实践
9.Research on the Top Coal Caving and Drawing Characteristics of Caving Roof Coal Mining for Shallawly Buries and Hard-Thick Coal Seam;浅埋藏坚硬特厚煤层放顶煤开采顶煤冒放性研究
10.The Practice and Understand of Exploitation of Integrated Excavated Top Coal;谢桥煤矿综采放顶煤开采的实践与认识
11.Combin gateway and pillar with fully mechanized top cawing mining technology in steep inclined special thick seam急倾斜较薄特厚煤层巷柱-综采放顶煤开采技术
12.Characteristic and Application on Rock-burst Behaviour in Caving Mining;放顶煤开采冲击地压显现特征与应用
13.Study on Development Law of Water Conducted Fracture Zone in Top Coal of Fully Mechanized Top Coal Caving Mining Face综采放顶煤导水裂缝带发育规律分析
14.Stability analysis of basic roof in fully-mechanized top-coal caving mining of the steep seam急斜煤层综放开采中基本顶的稳定性
15.Study on top-coal recovery in full-mechanized by similarity simulation综放开采顶煤回收率的相似模拟研究
16.Study on Technology of Hard and Thick Top-coal Weakening in Fully Mechanized Caving Faces in Binchang Mining District;彬长坚硬厚煤层综放开采顶煤弱化技术研究
17.Study on Technology of Top-coal Caving Mining of Lane Pillar in 3.5～10m Steeply Inclined Coal Seam;3.5～10m急倾斜煤层巷柱式放顶煤开采技术研究
18.Discussion on Key Technology of Upward Mining for Top Coal Caving Mining in Jining No.3 Coal Mine济宁三号煤矿放顶煤上行开采关键技术探讨

相关短句/例句

blasting monomer-caving mining炮采单体柱放顶煤
1.The article introduces the application of blasting monomer-caving mining in the production of Changgou Mine and successful experiences.文章介绍了炮采单体柱放顶煤开采法在长沟矿生产中的应用,以及取得的成功经验。
3)blasting coal face with sublevel caving炮采放顶煤工作面
4)sub-level caving method放顶煤采煤
5)top coal caving放顶煤开采
1.The horizontal section top coal caving in steep seam is different from the gently inclined seam.急斜煤层水平分段放顶煤开采与缓斜煤层不同,工作面沿煤层厚度的水平线布置,长度短。
2.The mine adopts a coal demolish feebleization technique beforehand to implement top coal caving.沈阳蒲河矿, 在煤层硬度系数f=2~3, 并含有夹矸层的复杂煤层中, 采用顶煤预爆破弱化技术, 成功地实施了放顶煤开采。
3.Based on the physical phenomenon that the amount of the gamma ray radiation in rock is different from the amount of the gamma ray radiation in coal,the paper puts forward the method for coal rock detection in top coal caving.基于岩层与煤层中存在的自然γ射线具有显著差异的特性 ,提出了用自然γ射线方法解决综采放顶煤开采放煤过程煤矸识别问题 ;分析了煤矿煤岩中自然γ射线分布特征及该方法的适用性 ;探讨了动态煤矸分界监测可行性和顶煤落放规律对煤矸识别的影
6)sub-level caving mining放顶煤开采
1.Based on conditions of Gengcuen coal mining (二 3)coal with sub-level caving mining.以义马耿村矿二3煤放顶煤开采条件为基础 ,应用相似材料模拟方法 ,研究了开采后上覆岩层运动的过程、变化及特点 ,探讨了上覆岩层运动的规律 ;根据模拟结果 ,分析了开采范围内支承压力峰值的变化及对顶煤破碎的影响。