矿物

• Uranium minerals also occur in the basal beds of the kombolgie formation .
  铀矿物也见于科姆波尔吉建造的基底层位中。
• A group of volcanic vents will produce a lava of the same mineral composition .
  一群火山口将产生相同矿物成份的熔岩。
• Silicate minerals are characteristically refractory and difficult to break down .
  硅酸盐矿物的特点是耐熔和难以分离。
• A system confined to the transport of mineral elements is known as the xylem .
  专门用来运输矿物元素的系统称为木质部。
• Base metals and gold are often found in association with magnetic minerals .
  某些贱金属以及金常常与磁性矿物一起被发现。
• Mineral stability can depend upon the amount by which the soil is oxygenated .
  矿物的稳定度可由土壤中氧化的程度所决定。
• Age determination data indicate episodic crystallization of uranium minerals .
  年龄测定数据表明，铀矿物有着不同期的结晶。
• The ability of clay minerals to catalyse decarboxylation has long been recognised .
  粘土矿物能催化脱羧基作用是早已认识到的问题。
• The composition of fossil fuels varies with source, type, and degree of refinement .
  矿物燃料的成分随来源、种类和精选程度而变化。
• Carbonation is the combination of carbonate or bicarbonate ions with minerals .
  碳酸作用是碳酸根离子或重碳酸根离子与矿物的化合作用。