tight rock 中文意思是什麼

tight rock 解釋
不滲透巖石
  • tight : adj 1 堅實的；堅固的，堅牢的，緊的，不松動的。2 緊密的；密封的，氣密的；不漏的。3 緊張的，繃緊的 ...
  • rock : n 1 巖，巖石，磐石，巖壁；卵石；〈常 pl 〉〈美口〉石子兒；暗礁，巖礁。2 〈the R 〉直布羅陀 （Gibr...
  1. Using the optimum calculating method, some important technical parameters could be determined, that is, optimum supporting force, allowable deformation of rock mass, cross section area of u - shape set, pre - tight force and diameter of the bolt as well as torque to provide optimum supporting force

    用這一計算方法能求出巖石恆阻支護的重要技術參數，即最優（小）恆阻支護力、圍巖最大允許變形量、恆阻u型鋼支架的截面積、聯接螺栓的預緊力和直徑及最優支護力的擰緊力矩。
  2. In hard strata with high matrix resistivities, it was considered that the difference between fort - nation resistivity and tight surrounding rock resistivity was caused by fractures except these factors as shaliness, pores, high salinity formation water and the other minerals

    在基巖電阻率較高的硬地層中，在去除了泥質、孔隙、高礦化度地層水和其他礦物等影響因素后，地層電阻率與緻密圍巖電阻率的差異就被認為是裂縫因素引起的。
  3. Characterization of source rock of shallow tight sand gas in dongliang district in the fuxin basin

    阜新盆地東梁區淺層緻密砂巖氣氣源巖特徵
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