1.
Study on Hydrogeological Features and Evaluation of Water Inrush Danger of Sandstone at the top of Coal 3 in Yanzhou Mining Area
兖州矿区3煤顶部砂岩水文地质特征研究及突水危险性评价
2.
Control on rock friction sparks and heating-up of sandstone roof in a coal mine
抑制煤矿砂岩顶板岩石摩擦火花和升温
3.
Characteristics of sandstone water in 11-2 roof and floor of Liuzhuang colliery and prevention and control technology
刘庄煤矿11-2煤层顶、底板砂岩水特征与防治技术
4.
Study on relative aguiclude existed in mid-Ordovician limestone top in North China coal field
华北型煤田中奥陶系灰岩顶部相对隔水段研究
5.
after insuring that both front and rear oven doors are sealed, coal is charged into the Oven through three or four top holes.
保证前、后炉门都密封好后，煤从碳化室顶部的3个或4个开孔装入。
6.
ROCK MASS STRUCTURE DIGITAL RECOGNITION AND HYDRO-MECHANICAL PARAMETERS CHARACTERIZATION OF SANDSTONE IN FANGEZHUANG COAL MINE
范各庄煤矿砂岩岩体结构数字识别及参数表征
7.
Mechanism of Carbonate Cementation and Secondary Dissolution Porosity Formation in Deep-Burial Sandstones near the Top Overpressured Surface in Central Part of Junggar Basin
准噶尔盆地腹部超压顶面附近深层砂岩碳酸盐胶结作用和次生溶蚀孔隙形成机理
8.
Predicting Study on Inrush of Sand and Overburden Failure of the Full Mechanized Top-coal Caving under Loosening Sandstone Aquifer in the Tie-bei Coal Mine;
铁北煤矿松软砂岩含水层下综放开采覆岩破坏及溃砂预测研究
9.
The sedimentary members are largely turbidites of greywacke facies.
沉积岩的组成大部分为杂砂岩相的浊积岩。
10.
Detector of Coal Seam Roof Strata Based on S3C44B0X Framework
基于S3C44B0X构架下的煤层顶板岩层探测器
11.
lithic arkosic wacke
岩屑长石砂岩质杂砂岩
12.
Coal-Rock Compound Mechanical Models and its Control in the Top-Coal Caving Faces;
放顶煤工作面煤岩组合力学模型及其控制
13.
Comparison of strata movement between section and slicing of top coal mining in steep and thick seams
急斜厚煤层分层与分段放顶煤岩层移动对比
14.
Research on the Development Technology for Lamadian Gas Cap Sandstone Reservoir;
喇嘛甸油田气顶砂岩油藏开发技术研究
15.
The detection of Hydrous quality about roof sandstone by mine transient electromagnetic method
顶板砂岩富水性的矿井瞬变电磁法探测
16.
Research and Application of Sand Fallout Technique on the End of Unconsolidated Sand Stone
疏松砂岩端部脱砂压裂技术研究与应用
17.
(3) The sandstone and conglomerate beds of Yujiang Formation of Lower Devonian and Bangzhai Formation of Middle Devonian from northern and central Guangxi and Guizhou;
(3)早泥盆世郁江组和中泥盆世邦寨组砂砾岩。
18.
Water Controlled Coal Mining Technology Under Cracking Strata of Super Thick Gravel Layer with High Pressurized Water
高水压巨厚砂砾层裂隙岩体下控水采煤技术