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- Determining reasonable mining height in water-preserved-mining for sandy-soil-rock type of overlying strata in northern Shaanxi Province 陕北沙土基型覆盖层保水开采合理采高的确定
- reasonable mining height 合理开采厚度
- 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”。
- The ratiocinate program generate automatically a reasonable mining scheduling by searching and matching rules. 推理过程中通过对规则的搜索和匹配,自动生成合理的采掘接替计划。
- 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。
- 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。
- 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。
- In this paper introduce Gu Jiao Coal mine 4# coal layer pressure obseve and analyze, master work face pressure rule. provide according to for reasonable mining and science manage. 介绍古交矿区4%23煤层综采首采面，通过矿压观测研究，初步掌握了该面矿压显现规律。为合理开采4%23煤层、科学管理顶板及支架选型提供了科学依据。
- 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。
- Keywords large mining height;support;downslide; 大采高;支架;下滑;
- fully mechanized coal mining with big mining height 大采高综采
- Reason is not measured by size or height, but by principle. 衡量理性的标准不是面积或高度，而是原则。
- fully mechanized mining with great mining height 大采高综采
- But I think our offer is reasonable and realistic. 不过我认为我们的报价是现实的、合理的。
- large mining height top - coal caving 大采高综放
- I have every reason to be confident of our victory. 我有充分的理由坚信胜利是属于我们的。
- hydraulic support with large mining height 大采高液压支架
- I want a restaurant with reasonable price. 我想去一家价位合理的餐厅。
