查询词典 rock

On the basis of predecessors' researches, this article studies the correlation between evolvement stages and sealing ability of the argillaceous rock.

在前人研究成果的基础上，针对目前天然气勘探研究的现状，总结确定了泥质岩演化阶段与封堵性能的对应关系。

The statistics show that most casing failures occur in argillaceous rock salt areas.

套管损坏是国内外油田普遍存在的问题，通过对江汉油田王广地区 30 0多口套管损坏井的资料进行了统计分析，得出套管损坏绝大多数发生在泥盐岩地层，套管设计载荷偏低，高压注水是加剧套管损坏以及射孔是射孔段套管损坏的主要原因，并针对泥盐岩的特点分析了套管损坏的机理。

It is revealed that the cap rocks of gas pools in China are dominated by argillaceous rock, followed by evaporite, but the resource volumes sealed by the latter is relatively larger.

统计发现：我国气藏的直接盖层以泥质岩为主，其次为膏盐岩，但后者封盖的储量较大。

Both the corner rock. In geology hornberg have their specific meaning of Petrology, specifically refers to the causes of thermal contact metamorphic argillaceous rocks.

既角岩。在地质学中角岩有其特定的岩石学含义，专指接触热变质成因的泥质岩。

Research on rock mechanic characteristics of slight weather argillaceous sandstone s in Sichuan Basin;2. But the clean sand model through which we can calculate for- mation water resisitivity is unsuitable for argillaceous sandstone .

地层水电阻率是测井解释中一个极其重要的参数，以纯地层条件推导的用于确定地层水电阻率的自然电位理论模型不适合泥质砂岩地层。

The soluble minerals are dissolved progressively during the process and large amount of argillaceous components fallen off the marlite and then taken away by running water, which lead to the rock structure getting weakening accompanying the variation of the marlite's composition.

泥灰岩在溶蚀过程中，可溶物质不断被溶解，大量的泥质物逐渐脱落并被水流动带走，致使泥灰岩的物质成分发生变化的同时，岩石结构也不断弱化。

Aiming at this problem, we have carried out an experiment on seepage properties for mudstone and argillaceous rock, showed the test result, and analyzed the reason why both the β-factor and the acceleration coefficient are negative. In addition, mistakes often made by some researchers about positive or negative signs before the non-Darcy β-factor were pointed out.

指出一些文献在引用Forchheimer关系时出现的非Darcy流β因子前正负号的错误，给出了非Darcy流β因子和加速度系数出现负值的泥岩和砂质泥岩试样全应力－应变过程中渗透特性试验结果，并对其原因进行了粗浅的分析。

For better understanding of thermo-hydro-mechanical coupling processes of argillite rock in Mont Tern project site during the long-time radioactive waste disposal, coupled fields of temperature pore pressure and stress are studied during the heating and cooling phases with the theory of porous media mechanics.

为了解黏土岩在放射性废料长期贮存中的热－水－力耦合过程，结合Mont Terri核废料贮存地下岩石试验工程中黏土岩各种物理量的各向异性特点，应用多孔介质力学耦合理论研究了该黏土岩在加热和冷却全过程中由于热荷载引起的耦合效应场。

The cardium sandstone is lithic, being composed of grains of chert, quartz, quartzite, silicified argillite, and other rock fragments

卡迪砂岩是岩屑砂岩，由燧石，石英、石英岩、硅化泥板岩和其它岩石碎屑颗粒所组成。

The main heat-proof and temperature-preserving covers are Silurian and Ordovician argillite of Gaozaitian Formation and Meitan Formation.The main thermal reservoir layer is Cambrian carbonate rock of Loushanguan Group.The aquatic chemistry of the hot ground water and drilling data indicate that the reservoir depth ranges from 1300 to 2500m and the geothermal gradient from 2.44 to 2.84℃/100 m. It is pointed out that there may exist another geothermal field in the plunging part of the east limb of Wudang Anticline.Some suggestions are made about the development and protection of the geothermal field.

其主要隔热保温盖层为志留系高寨田群(S1g)和奥陶系湄潭组(01m)泥页岩，主要热储层为寒武娄山关群(∈2-3ls)碳酸盐岩，根据地下热水水质化学成份特征及钻探资料，其深度为1300-2500 m，地温梯度2.44-2.84℃/100 m；指出乌当背斜东翼倾伏端有另一地热田存在可能性；以及对地热田研究开发、保护的意见。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。