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- A rock fragment foreign to the igneous mass in which it occurs. 捕虏体指在火成岩中形成的外来岩石碎片
- A rock fragment between 4 and 64 millimeters(0.16 and 2.51 inches) in diameter, especially one that has been naturally rounded. 水晶石石英断片，直径4到64毫米(0.;16到2
- A whole set of prediction method of rock fragmentation was presented. 摘要提出一整套岩体块度预测方法。
- An unconsolidated mixture of rock fragments or pebbles. 砾石岩石碎片或卵石的松散的混合物
- To apply a surface of rock fragments or pebbles to. 用砂砾铺覆以岩石碎片或卵石的表面
- A rock fragment between64 and256 millimeters in diameter,especially one that has been naturally rounded. 圆石子直径由64至256毫米的岩石块，尤指自然形成的圆形石子
- A rock fragment between64 and256 millimeters in diameter, especially one that has been naturally rounded. 圆石子直径由64至256毫米的岩石块，尤指自然形成的圆形石子
- A rock fragment between4 and64 millimeters(0.16 and2.51 inches) in diameter, especially one that has been naturally rounded. 水晶石石英断片，直径4到64毫米(0。16到2。51英寸)，尤指天然圆形的石英颗粒
- Condusions The secondary porosity existed in the volcano lithic fragment mostly as well as in the colloidal substance and sedimentation rock fragment. 油气储集体中次生孔隙占有重要地位，对油气的储集、渗流起主导作用。
- Results The secondary porosity was chief pore type, consisting of dissolving pores in the lithic fragment, colloidal substance and sedimentation rock fragment. 结果该盆地碎屑储集体中次生孔隙类型有，胶结物的溶蚀孔、长石颗粒溶孔和岩屑溶孔；
- Results The secondary porosity was chief pore type,consisting of dissolving pores in the lithic fragment,colloidal substance and sedimentation rock fragment. 结果该盆地碎屑储集体中次生孔隙类型有,胶结物的溶蚀孔、长石颗粒溶孔和岩屑溶孔;
- Gravel is an unconsolidated mixture of rock fragments or pebbles. 砂砾是砾石岩石碎片或卵石的松散的混合物。
- Composed chiefly of rock fragments of volcanic origin. 火或碎屑物的由火山造成的碎石所组成的
- Theoretical results show that indenter shape affects theelastic stress fields and the fracture fields in the indented rock obvious-ly, and accord with the experiments on rock fragmentation. 理论分析表明,压头形状不同,在岩石中所引起的应力场和径向开裂范围明显不同,这与压头形状对侵入破碎效果有显著影响的实验结果吻合。
- These borings consist of rock fragments, ash, coal and other materials. 这些孔屑包括石头碎片、灰尘、煤渣和其他东西。
- In light of theories on blasting shock wave in water and on hydromechanics, the blasting features of rock fragmentation and the quasi-static stress field near the hole are ana-lyzed in this paper. 根据水中爆炸冲击波理论和流体力学理论,分析探讨了炮孔水不偶合装药爆破时孔壁初始冲击压缩作用和由其引起的岩石破坏特征,以及这种装药结构条件下的炮孔准静压力和由其引起的炮孔周围岩石中的准静态应力场。
- In order to study mechanism and distribution state of waste rock fragmentation, a fractal model of self-similarity about waste rock fragmentation was set up in fractal geometry in this paper. 摘要为了探讨冒矸破碎的机理及分布状态，从分形几何学的角度建立了冒矸破碎统计自相似分形模型，并通过随机破碎个数与自相似比的数学期望，给出了冒矸破碎分形自相似维数的计算公式；
- Effect of detonation wave in rock fragmentation is detailedly introduced several new smooth blasting methods are brougth forward according to its mechanism of rock fragmentation in this paper. 文中较详细地介绍了爆轰波在爆破破岩中的作用,根据其破岩机理提出了几种新的更优越的光面爆破方法。
- The pyroclastic rock fragments comprise quartzite, schist, gneiss, basalt, andesite, rhyolite and quartz. 火成岩的碎块成分主要为石英岩、岩、麻岩、武岩、山岩和流纹岩.
- These bullets fragment on impact. 这些子弹射中物体时爆炸成碎片。
