页岩

• Analysis of borehole collapse cycling time for shale
  泥页岩井壁坍塌周期分析
• Most of the rock in this mountain is shale
  这座山上大部分的岩石都是页岩。
• Oil - yielding organic matter is contained in the shales
  在这些页岩里有产油的有机物质。
• Weathering erosion and environmental effects of purple shale
  紫色页岩风化侵蚀与环境效应
• The people . you remember the shale oil
  人类你还记得页岩油吗
• The people . you remember the shale oil
  人类你还记得页岩油吗
• Application of nenjiang opal shale in polymer materials
  嫩江蛋白石轻质页岩及在高分子材料中的应用
• It is the density data of the shale
  这是泥页岩密度数据。
• Compressing parameter of ningming expansive shale for construction
  宁明膨胀性泥页岩填料施工压实参数研究
• Hard and crisp brittle shale , fragile shale
  硬脆性泥页岩