1.
The way and principle of Gaussian curvature method for forecasting natural fracture zones in coal seam are discussed.
论述了高斯曲率法预测煤层天然裂隙发育区的基本原理和方法。
2.
Study on lateral boundary of roof water flowing fracture devel opment regularity
采空区顶板导水裂隙侧向边界发育规律研究
3.
Tangshan city is the typical karst-cranny developing area in Huabei region which is shallowly covered up.
唐山市是华北地区典型的岩溶裂隙发育浅埋地区。
4.
Study on Development of Fracture and Numerical Simulation of Seepage;
裂隙发育规律研究及渗流场数值模拟
5.
On the height of water flowing fractured zone in Shenjiawan coal mine
沈家湾煤矿导水裂隙带发育高度研究
6.
According to the criteria, natural fracture zones of No.3 coal seam are divided into four grades and then the permeability distribution of No.3 coal seam is preestimated.
依据该标准将3号煤层天然裂隙划分为4级发育区，进而预测出3号煤层渗透率的分布概况。
7.
The fracture in studied area can he divided into diagenetic micro-facture, weathering fracture and structural fracture.
研究区的裂缝可以划分为岩微裂隙、风化裂隙和构造裂缝3种类型。
8.
The crack of crack inflected the stability of the Grotto, and the effect of water prick up the effloresce of the cultural relics in the Grotto.
裂隙发育影响了石窟的稳定性,水的活动加剧了石窟文物的风化。
9.
Research and Application of Geological Structure Investigation and Assessment of Open Rock Fracture
露天裂隙发育岩体地质构造调查及评价的研究与应用
10.
Some Discussions on Excavation Craftsmanship on Rock Bench of Rock Anchor in Growing Rock Body with Invisible Cracks
隐形裂隙发育岩体中岩锚吊车梁的岩台开挖工艺探讨
11.
Research on the law of fissure zone of conducting-water development and overlying strata cycle breakage mining under water-rich rock layer
富水层下开采导水裂隙带发育及覆岩周期破断规律研究
12.
MONITORING AND SIMULATION RESEARCH ON DEVELOPMENT OF WATER FLOWING FRACTURES FOR COAL MINING UNDER XIAOLANGDI RESERVOIR
小浪底水库下采煤导水裂隙发育监测与模拟研究
13.
The Study of Induce-crack Mechanicals and Cranny's Development Process about Hydraulic Fracture in Mining-coal Bed;
本煤层水力压裂致裂机理及裂隙发展过程研究
14.
The Developing Regularities and the Developing Zones Forcasting of Secondary Pore of Fu-Yu Reservoir in Qijiabei Area, Songliao Basin;
松辽盆地齐家北地区扶余油层次生孔隙发育规律及次生孔隙发育带预测
15.
Seismic recognition for the igneous rock fracture development belt in LS area
LS地区火成岩裂缝发育带地震识别
16.
As the tension fractures exist, spread and deep weathering is strong, which causes the lowing of the strength of the engineering slope.
正是由于两组张裂隙的存在，使边坡岩体深强风化发育，从而降低了坝肩岩体的强度。
17.
A crack, crevice, or split.
裂缝裂隙、缺口或裂缝
18.
Study on Formation Mechanism of Excavation Disturbed Zone of Hard Fractured Rockmass;
坚硬裂隙岩体开挖扰动区形成机理研究