矿石

• Bulges and tentacles of ore extend haphazardly from a central mass .
  矿石的凸出物及细枝不时地从中心块体伸出。
• In some high-grade ores, phenocrysts adhere intimately to the pseudomorphs .
  在有些高级矿石内，斑晶紧连着假晶。
• When they assay the ore, they found that they had discovered a very rich vein .
  在对矿石进行分析后才知道，原来他们找到的是一个非常富的矿脉。
• In all hydrothermal deposits the minerals formed are not solely the sulfide ore minerals .
  在所有热液矿床中，所形成的矿物并不单单是硫化物矿石矿物。
• In many parts of the ore bodies the schlieren ore shows a very characteristic flow structure .
  在矿体的许多部位，异离体矿石表明有非常特征性的流动构造。
• Before receiving a batch of fresh one, the solids in the three stages are successively dumped .
  在接受一批新鲜矿石之前，三层反应器中的固体颗粒连续往下落。
• Later, he found that fine(together with charcoal)could be used to extract certain metals from ores .
  后来，人们发现，用火（加上炭）可从矿石中提炼某些金属。
• We must therefore carefully husband the reserves of phosphate rock that are available for use as fertilizers .
  因此我们必须注意节约适合用做肥料的磷矿石储备。
• Organic impurities are sometimes present to such an extent that the rock must be calcined to remove them .
  有时候矿石中存在有机杂质甚多，以至必须将矿石进行煅烧以消除之。
• a weak phosphoric acid made from florida rock containing 25% f gives a 54% acid containing 0. 4f.
  用佛罗里达矿石制得的稀酸（含F25）可以浓缩成含F04的54酸。