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- The high mining height hydraulic support is designed for the special geologic condition of Shangwan Coal Mine,such as shallow buried depth,thin bed rock and thick aeolian sand. 大采高液压支架是针对上湾矿煤层浅埋深、薄基岩、厚风积沙等特定地质条件而研制的一种高性能综采液压支架。
- fully-mechanized working face with high mining height 大采高综采
- Law of Ground Behavior in an Inclined Longwall Face with High Mining Height 大采高倾斜长壁综采面矿压显现规律
- Roof control technology for high mining height coal mining face in "two hard" seam "两硬"大采高工作面顶板控制设计技术
- Observation on the law of strata behavior in shallow seam and high mining height face 近浅埋煤层大采高矿压显现规律实测研究
- high mining height 大采高
- A FEM NTA coupling model is set up for simulation of mining conditions at great mining height with an overlying rocks of low tensile strength. 建立了大采高工作面支架系统可靠性的计算模型,通过系统可靠性参数的分析,提出了提高支架系统可靠性的途径。
- FEM NTA coupling model is set up for simulation of mining conditions at great mining height with an overlying rocks of low tensile strength. 在重点模拟大采高条件下覆岩低抗拉特性的基础上，建立了“大采高FEM-NTA耦合模型”。
- And the results show that with the increase of mining height, the surface subsidence and horizontal movement value increase, while the subsidence factor decreases in nonlinear. 结果表明：在采深和采出率等条件相同的情况下，地表下沉值和水平移动值均随采厚的增加而增大，而下沉系数随采厚的增加以非线性关系逐渐减少。
- Valorite Ore is hardest to find, Iron Ore the easiest. A miner with a high mining skill is more likely to find a colored ore vein than less skilled miner. 蓝矿最难挖得,普通铁矿则最简单。挖矿技能越高越容易挖得高级矿脉。
- Because the increase of mining height in fully-mechinzed coal winning caving roof,it brings convenient and both brings the changing of rock rationlations. 大采高综放工作面由于机采高度的加大,在给工作面生产带来便利的同时,也带来支架与围岩关系的变化。
- The results indicate that the main factor influencing the capacity matching of the conveyors in front and behind is the ratio of mining height to caving height. 指出了影响综放工作面前后部刮板输送机能力匹配的主要因素是采放高度比；
- The paper introduces roof control methods of goaf of large mining height fully-mechanized face by artificial forced caving with deep-hole blasting at seam 14 of Silaogou Mine and analyzes the effect. 介绍大同煤矿集团公司四老沟矿14%23层404盘区8402大采高综采工作面人工强制深孔爆破处理采空区顶板的技术,并对其效果进行了分析。
- Having little relative height; not high or tall. 低的相对有较小高度的; 不高的
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- Keywords large mining height;support;downslide; 大采高;支架;下滑;
- Men and birds are fain of climbing high. 不论人还是鸟都愿意往高处攀。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- Goods of high quality are few and far between these days. 质地精美上乘的物品现在不多见。
- fully mechanized coal mining with big mining height 大采高综采
