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- They discovered that in addition to sending tremors that knock down buildings, earthquakes greatly increase the permeability of rocks to transmit fluids including oil. 科学家们发现:地震除了产生击倒建筑的震动,还能极大地增加岩石的流体通透性,使得石油易于渗透。
- The porosity and permeability of rock are related directly to grain size and sorting characteristics. 颗粒大小和分选性对岩石的孔隙和渗透率有直接关系。
- NMR is a technique used to determine the porosity and permeability of rock formations. NMR是一项用于确定岩层的孔隙度和渗透率的技术。
- Quantitative relationship between measured permeability of rock core and horizontal stress is studied by regressive analytical technique. 根据岩芯样品渗透率分析值和岩石水平应力，以回归分析技术研究了二者的定量关系。
- Rock mass always exists in the fields of geostress and seepage,so it is important to study the effect of geostress on the permeability of rock mass. 岩体总是赋存于一定的渗流场与应力场中的,研究地应力场对渗流场的影响具有重要的意义。
- This study uses artificial core and tests the compressibility, porosity and permeability of rock through repeated rising and declining of confining pressure. 本研究采用人造岩心，经过反复升降围压实验对岩石压缩系数、孔隙度及渗透率进行了测试。
- Near the unconformity surface, the porosity and permeability of rock has obviously been improved.The unconformity surfaces in Permian are the main paths of oil and gas migration. 研究表明,二叠系内部各组地层之间呈不整合接触,在不整合面附近地层的孔隙度和渗透率明显增大,因而是油气运移的主要通道。
- A fall of rocks blocked the road. 掉落的岩石把路封住了。
- The complicated permeability of rock mass I involving inhomogeneous, anisotropic. unsaturated behaviour as well as the coupling between hydraulic conductivity and deformation are discussed. 论述了岩体复杂的渗透特性，包括渗流的不均匀性、各向异性、非饱和性及渗流与变形的耦合等问题。
- There are two types of rocks in this area. 这个地区有两种类型的岩石。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The mountain rise up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- A shower of rocks and stones rattled on the roof of the dug-out. 一阵岩块和石子噼噼啪啪地打在掩蔽部的顶上。
- Two methods are used to evaluate the permeability of cores. 有两种方法可用来测量岩芯的渗透率。
- A spur of rock stuck out from the mountain. 山背上突起一个石脊。
- The permeability of saline soils is studied in laboratory. 摘要对含盐土的渗透系数进行了室内试验研究。
- To increase the vapor permeability of film products. 赋予薄膜制品透气性。
- He managed to hang on to a piece of rock protruding from the cliff. 他设法抓住了悬崖上向外伸出的岩石。
- A fall of rocks and earth blocked the road. 落下的岩石和泥土阻塞了道路。
