1.
The Economics Model on Gypsum Mine Reasonable Exploitation Level and Range;
石膏矿矿井合理开采深度及范围的经济模型
2.
THE RESEARCH OF THE OPEN-PIT' ECONOMIC STRIPPING RATIO AND THE LAST LIMIT DEPTH;
露天矿经济合理剥采比和最优开采深度的研究
3.
Reasonable Mining Height of Full-mechanized Caving Mining in Softly Inclined and Extra-thick Coal Seam
缓倾斜特厚煤层综放开采合理开采厚度的确定
4.
Technological Study of Resonably Determining the Upper Limits of Mining on Shallow Embedding Coal Seam;
浅埋深煤层合理确定开采上限技术研究
5.
An Approach to the Analytical Method for the Minimum Safe Mining Depth with Solution Mining in Salt Mine
盐矿水溶开采最小安全开采深度分析方法初探
6.
If a good base cannot be found at a reasonable depth, then a so-called deep foundation must be provided. This usually comprises a series of driven or cast-in-situ reinforced concrete piles.
若在合理的深度内找不到坚实的地基层,那就要采用深基础,如通常采用的钢筋混凝土桩基
7.
With the increase of the depth of coal seams mined, rock bursts will easily occur in gateways with fully-mechanized sublevel caving mining.
随着煤矿开采深度增加，综放开采回采巷道易发生冲击地压危害。
8.
Experimental Study on Ultrafiltration Technology for the Advanced Treatment of Oilfield Polymer Flooding Produced Water;
超滤深度处理聚驱采油废水试验研究
9.
Progress in the researches on advanced treatment technology of oil extraction wastewater recycling
采油污水回用深度处理技术研究进展
10.
On reasonable mining height under shallow cover and thin strata geological condition
浅埋深薄基岩工作面合理采高的确定
11.
Optimization of the Design of Mining Area and to Mine Reasonably the Coal-Pillar of Mine Surface Plant;
优化采区设计 合理开采工业广场煤柱
12.
Study on Optimum Thickness of Covering Layer During Turning Open Pit into Underground Mining of Shirengou Iron Ore;
石人沟铁矿露天转地下开采覆盖层合理厚度研究
13.
Application of Integrative Geophysical Exploration in Deep Coalmining for Mine Geological Assurance System
煤矿深部开采地质保障中的综合物探技术应用
14.
Study on Advanced Purification Technology for Oil Recovery Wastewater from Polymer Flooding
聚合物驱采油污水深度净化技术的研究
15.
Study on Heat Harm Investigation and Treatment Technology under Mining in Deep-lying Conditions in JiNing 2～(nd) Coalmine;
济二煤矿深部开采热害调查及治理技术研究
16.
Comprehensive Re-utilization of Obsolescent Equipments;
淘汰仪器设备的深度开发与综合利用
17.
On the depth development and conformity of the toursim resouces in Wuhan;
武汉旅游资源深度开发与整合的探讨
18.
Research on the Resource Integration and Further Development of the World Horticulture Exposition Garden in Shenyang City
沈阳世博园资源整合及深度开发研究