岩层
- rock formation;stratum;rock stratum
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[rock formation] 地壳中成层的岩石
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注浆技术是水害治理、加固岩层的重要手段之一。
Injector fluid technique is a important instrumentality for reinforcing rock formation .
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坚硬致密岩层用绳索取心钻头的研制与应用
Development and Application of Wire-line Coring Bit for Hard and Compact Rock Formation
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岩层中有证据表明,该地区在15,000年前曾经非常干旱。
Contained within the rock strata is evidence that the region was intensely dry 15,000 years ago .
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在这个地区,你可清楚地看到一层层不同的岩层。
In this part of the country you can see the rock beds clearly , one on top of the other .
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然而,在世界各地的沙漠中,这些和类似的岩层里,一些顽强的植物已经适应了在不断变化的条件下继续生存。
Yet on these and similar formations in deserts around the world , a few fierce plants have adapted to endure under ever-changing conditions .
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岩层移动离层演化规律及其应用研究关于{x/n}的分布
Study and application of bed separation distribution and development in the process of strata movement
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利用Excel计算岩层或断层视倾角、绘图倾角
Calculating the Apparent Dip and Plotting Dip of Strata or Faults in Excel
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底板岩层变形破坏过程中混沌性态的Lyapunov指数描述研究
Lyapunov exponent of chaos feature in the processing of deformation failure for coal floor
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研究把岩石视为多孔介质,从多孔介质的角度出发,重新建立上覆岩层压力、孔隙流体压力、基岩应力之间的关系式,该式包含了岩石作为多孔介质的一个重要参数孔隙度F。
Rock should be regarded as porous media . Based on this , the new equation is derived to include one important parameter of porous media , F.
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现场试验结果表明,PDC锚杆钻头是钻进中硬岩层的理想钻头。
The results of field tests proved that PDC anchor bit is ideal in mid hard rock drilling .
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对塔里木盆地低渗砂岩层DST测试工作制度的一点想法
Some Opinions about DST Flow Regime for Low Permeable Sand Stone Formation in Tarim Basin
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此外并推断,白垩系浦口组(K(2p))的塑性岩层流动上拱很可能是局部构造形成的应力来源之一。
In addition , it is inferred that the flowage doming of plastic strata ( K_ ( 2p )) is also a kind of stress forming local structure .
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要想PDC取心钻头在钻进硬岩上取得象钻软~中硬岩层那样的效果,有待于我们进行进一步开发。
We must develop the PDC coring bits technology exteriorly if we want to achieve that kind of drilling results in hard rock such as in soft-medium hard rock .
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对比分析测试结果,得出:①未注浆段巷道浅部围岩完整性较差,2m范围内岩层破碎严重。
Comparative analysis of test results obtained : In no grouting section of roadway , the integrity of surrounding rock is poor , the 2m range of rock seriously damaged .
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研究表明:岩层的破坏造成渗透率的增大、非Darcy流β因子和加速度系数的减小,从而使突水因数增大,突水发生的危险性增大;
It was shown that when the permeability raised , the non-Darcy flow β factor and acceleration coefficient decreased as the failure of the mining floors , and the water-inrush-factor raised subsequently .
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并且研究了双相介质(水气、油气)孔隙率、流体饱和度和上覆岩层压力变化对反射波AVO的影响。
The paper also studied the effects of porosity , fluid saturation in diphasic medium ( water gas and oil gas ) and change of overburden pressure on reflection wave AVO .
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NW向、NE向低序次破碎带的转折处,不同能干性岩层接触部位为层状、似层状锌矿体产出的重要场所;
The important places of stratiform , stratoid Pb-Zn orebody occurrence are the turning part of NW , NE subordinate fractured zone and interstratal fractured zone and the contact part of different rock beds .
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隧道掘进机(TBM)是现代隧道施工的先进机械技术,双护盾TBM更因其施工速度快、适用岩层广、施工质量优等特点成为长大隧道施工的首选对象。
TBM is advanced modem construction equipment and double-shield TBM has become the first choice for long tunnel driving because of its high advancing speed , good strata adaptability and excellent construction qual - ity .
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水平岩层隧道围岩坍方的初步分析本文主要介绍秦岭隧道掘进机(TBM)施工中围岩坍方及其处理的情况,并提出了掘进机通过坍方地段的对策。
Primary Analysis of the Wall & rock Landslide of the Tunnels along Horizontal Layers This paper describes the collapse of surrounding rock during the construction with TBM in Qin-ling Tunnel and presents the countermeasure against it .
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ΔlogR方法是一种利用测井资料识别和计算含有机质岩层总有机质碳的方法。
Δ logR method is used to identify and compute the organic carbon with logging surveys .
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中原油田盐岩层厚度为50~200m,盐岩层在蠕动、变形过程中,对套管产生非均匀外挤力,造成盐岩层套管损坏。
The depth of salt formations in Zhongyuan Oilfield is 50 ~ 200 m. The salt formations will generate a non-uniform external squeeze stress during their creep deformation and the casing pipes may be damaged .
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拆离断层之上的盆地基底岩层的水平伸展量相同,因此,用S-h图解法可以确定拆离断层深度,并能在此基础上计算出岩层的总水平伸展量。
The basement beds above detachment are of same extensional displacement so that " S-h diagram " can be used to determine the depth to detachment and to calculate the total extensional displacement of the beds above detachment .
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按照声发射Kaiser效应测地应力的基本原理,提出了沉积岩层非定向钻孔岩芯坐标方向建立的方法和多方向取样及地应力椭球回归分析的声发射Kaiser效应地应力测试方法。
The method of building up the coordinate direction of non-directional drilling cores in sediment strata is proposed . Based on the principle of in-situ stress measurement by the Kaiser effect of acoustic emission , the multidirectional sampling and the ellipsoid regression analysis of in-situ stresses are made .
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基于开采沉陷理论,采用UDEC数值模拟计算,对岩层移动模拟研究中如何确定模型左右边界范围进行了研究。
Base on the theory of the mining subsidence and with the UDEC numerical simulation calculation software , the paper has a study on how to determine the left and right boundary lines in the simulation research of the strata displacement .
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针对金川二矿区复杂的地质条件,作者研究开发了金川二矿区不良岩层采场巷道支护设计智能辅助决策支持系统(IDSSRSD)。
Considering the complex geological conditions at No.2 Mine of Jinchuan Nonferrous Metal Corporation , an intelligent Decision Support System for Rock Support Design ( IDSSRSD ) has been developed .
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鉴于白垩纪花岗岩的钕模式年龄(tDM)均集中于古元古代(1.8~2.2Ga),表明花岗岩的源区应限于核杂岩中构成原中地壳下部的古元古代结晶基底岩层。
The source area was proved to be composed of the Paleoproterozoic crystalline basement rocks at the lower part of the original middle crust by the dominantly Paleoproterozoic Nd model ages of the granite and from the comparison with the crustal structure-constitution in East Qinling .
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由于岩层各向异性、软硬互层,常规施工钻孔自然弯曲强烈,表现为钻孔方位顺时针增大、顶角出现下垂,施工9个孔,一类孔仅4个,报废进尺163m。
The conventional drilling borehole curves strongly , manifested as clockwise increase of the drill hole direction , vertex angle hanging-down . In the drilled 9 holes , only 4 of which are first class hole , 163m footage is reported as worthless .
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用煤岩层对比法寻找断失煤层
Seeking for Faulted Seam by Coal and Rock Seam Contrast Method
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固体废物膏体充填岩层控制的数值模拟研究
Digital simulation research on strata control of solid waste paste filling
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顶板岩层三带划分的综合分析法
Comprehensive Analysis Method of Three Zone Classification on Mine Roof Strata