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- This study is to evaluate the on-line detection of rock properties through acoustic emission sensors. 该项研究是对声发射传感器联机探测岩石性质进行评价。
- Abstract: Rock properties of Middle Jurassic reservoir in Taibei sag of Tuha basin have been studied by means of the casting thin sections and scanning electron microscope. 文摘:根据岩石铸体薄片和扫描电镜观察资料,分析了吐哈盆地台北凹陷中侏罗统储集层的岩性特征。
- It contains a study of fluid flow in metamorphic environments and their interaction with rock properties such as porosity and tortuosity. 内容包括变质环境下的液体流动研究,以及与岩石之间的相互作用,如岩石的多孔性、弯曲性等。
- From the reservoir-engineering standpoint, one of the most important rock properties is porosity. a measurement of the space available for storage of petroleum hydrocarbon. 从油藏工程的观点来看,孔隙度是岩石最重要的特性之一,它用来量度岩石中用以储存石油烃类物质的有效空间。
- Rock properties of Middle Jurassic reservoir in Taibei sag of Tuha basin have been studied by means of the casting thin sections and scanning electron microscope. 根据岩石铸体薄片和扫描电镜观察资料,分析了吐哈盆地台北凹陷中侏罗统储集层的岩性特征。
- Tunnel refection seismology employs sources and receivers that are mounted inside the tunnel wall or tunnel face and aims to predict rock properties ahead of the tunnel. 摘要隧道反射地震法是利用放置在隧道边墙或者掌子面内的震源和接收器,来预测隧道前方的岩石特性。
- The software used to calculate "safe" mud weight window had been developed. Only a few parameters are needed , the software can calculate rock properties, formation pressure, in-situ stresses , collapse pressure and fracture pressure along the well bore. 在前四步的基础上,编制了“基于测井资料的安全钻井液密度窗口预测”应用软件,该软件主要利用测井资料钻前预测安全钻井液密度窗口,要求输入的参数少,操作方便,能输出岩石力学参数曲线、地层压力曲线、地应力曲线、坍塌压力、剪切破坏压力曲线与破裂压力曲线,对钻井工程具有很强的现实指导意义。
- Discrete element method is used to analyze the roof stability in accordance with the variation of its loading, rock frictional angle, bolt spacing, rock properties and bolt orientation. 采用离散单元法,分析了当荷载、岩体的摩擦角、锚杆间距、锚杆方向和岩体的性质变化时,顶板的稳定性。
- The distributions have a close relation with bed rock property, littoral zone types, geography, water systems, hydraulic conditions and bed property of sea bottom. 砂矿的分布与滨海带的基岩性质、海岸带类型、地貌、水系、水动力条件、海底底质等密切相关。
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年,长大后成了地质学家。
- The red bed is a elastic sedimentary rock mainly deposit by red continental sedimentation, the rock property is mainly composed by sandstone, mudstone, siltstone and arenaceous shale. 摘要红层是红色陆相沉积为主的碎屑沉积岩层,岩性以砂岩、泥岩、粉砂岩和页岩为主。该类岩层多为软岩与硬岩相间,呈互层状产出,层间结合力弱。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- A mining method-caving mining with filamentary hole and bottom column is introduced,which is suitable for the mines that are of low pitch,middle thickness,low value and unstable bottom rock property. 介绍了一种适应缓倾斜中厚低价,且底板岩性不稳固的采矿方法;
- The company's properties have been revalued. 这个公司的财产已重新估价了。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- A fence divides the two properties. 有一道栅栏隔著这两处房地产。
- The water had worn a channel in the rock. 水把岩石冲出了一条沟。
- He dash the glass bowl to bit on a rock. 他对著石块把玻璃碗砸得粉碎。
- He thinks it's a sin to covet other's properties. 他认为贪图他人的财物是有罪的。