1.
Research on economical operation of the cold-water mine cooling system

冷水型矿井降温系统运行经济性研究
2.
The Research of the Cooling Technology in High-temperature Mine and Its Economic Analysis

高温矿井降温技术研究及其经济性分析
3.
Research on Key Technologies of Cooling Source of Mine Cooling System for Ultra-deep Mines
超深矿井集中降温冷源关键技术研究
4.
Research on the comprehensive cooling technology for outsize and high geothermal mine

特大型高地热矿井综合降温技术研究
5.
Technology research on underground ventilation cooling in Jiudian gold mine

旧店金矿井下通风降温治理技术研究
6.
Application of Non-mechanical Temperature Reduction Technology in Mine with Heat Disaster Danger
非机械降温技术在高温热害矿井治理的应用
7.
Study of Coal Mine Wind Thermodynamic Process and Ventilation Temperature Dropping Technology Imitation
矿井风流热力过程及通风降温模拟研究
8.
Investigation of Cooling by Air Conditioning in Deep Development of Metal Mine

金属矿井深部开拓空调通风降温的研究
9.
Regularities of Distribution of Ground Temperature and Study of Inverse Problem of High Temperature Mine
高温矿井地温分布规律与反问题研究
10.
Study on the Subsidence Monitoring of Main and Auxiliary Shaft Headframe Foundations of WOLONG LAKE Coal Mine
卧龙湖煤矿主副井井架基础沉降监测研究
11.
Research on 600-Meter-Level Drainage Sinking Technology at Qing Shuiying Coal Mine

清水营煤矿600m疏降水法凿井技术研究
12.
JSS300:A High Temperature and Salt Resistant Fluid Loss Agent for Deep Well Cement Slurry

深井油井水泥耐盐抗温降失水剂JSS300的试验研究
13.
Study on Earth Temperature Distribution Law and Earth Temperature Assessment System in High Temperature Mine;
高温矿井地温分布规律及其评价系统研究
14.
The site of such an excavation, with its surface buildings, elevator shafts, and equipment.
矿山,矿场矿井所在地及其地上建筑、升降通道和设备
15.
The miners are lowered into the mine by means of an elevator known as a cage. In the same shaft there is often a hoist, a bucketlike elevator used to raise mined ore from lower levels.
矿工借助于叫作罐笼的升降机下井。井筒里通常还安装有绞车,一种用来提升矿石的斗式升降机。
16.
The seam water injection is an effective measure to control coal dust concentration.

煤层注水是降低矿井粉尘浓度的有效措施之一。
17.
Estimation of Abandoned Mine CBM Resources through Drop-Down Curves

用下降曲线估算废弃矿井煤层气资源量
18.
Application of Caisson with Concrete without Sand in the Dewatering Engineering of Tailing Dam
无砂混凝土沉井在尾矿坝降水工程中的应用