礦層開采條件 的英文怎麼說
中文拼音 [kuàngcéngkāicǎitiáojiàn]
礦層開采條件
英文
seam condition- 礦 : 名詞1. (礦床) ore [mineral] deposit 2. (礦石) ore 3. (開采礦物的場所) mine
- 層 : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
- 采 : 采名詞(采地) feudal estate
- 條 : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
- 件 : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
- 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
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Analysis on water isolation layer conditions of taiayuan group lower coal seam mining of hebi coal mine
鶴壁礦區開采太原群下組煤的隔水層條件分析The ground base of the newly added chute in 4 tailings reservoir at dexing copper mine is characterised by thick weathered layer, loose structure, fractured zone and landslip mass accumulation. as a result, the ground has a great subsidence and inefficient carrying capacity. in view of this, the grouting technology was adopted to reinforce the chute ground base. the on - site testing shows that the subsidence of the chute has been efficiently controlled and the carrying capacity of the ground base improved so that the stability requirement has been met
潘洛鐵礦主要使用的采礦方法是淺眼落礦的全面法和留礦全面法. 23礦體160m以上礦段上部為氧化礦和風化巖層,形成擠壓爆破和鬆散巖石覆蓋下的放礦條件.介紹了無底柱分段崩落法在該礦體開采中的應用.實際使用獲得的各項技術經濟指標還比較理想Through the analysis of factors relating to aquiferous features, contact with water, groundwater recharge, run - off, discharge and groundwater chemical characteristics, we determine the hydrogeological conditions in the no. 1 mine field and suggest a basis for deposit exploition
摘要通過對大南湖煤田一田含水層特徵、水力聯系、地下水補給、徑流與排泄及地下水化學特徵等因素的分析,確定該井田水文地質條件類型,為礦床開采提供依據。On the illustration of mining in deeply inclined coal seam under buildings in muchengjian colliery in beijing, the confirmation method of coal pillar dimension and the united layout of pseudo - dip strip pillar and boundary pillar were put forward to provide theory foundation for the control of surface movement and subsidence in the mining of deeply inclined coal seam
摘要以北京木城澗煤礦大臺井建築物下壓煤開采為例,提出了急傾斜煤層開采條件下條帶煤柱尺寸的確定方法和傾斜條帶煤柱與邊界煤柱相結合的條帶布置方案,為急傾斜煤層開采地表沉陷控制提供了理論依據。分享友人