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native metals造句

例句與造句

  1. As a result, platinum is often found chemically uncombined as a native metal.
  2. A native metal is any of twenty-one metals that can be found freely in nature.
  3. Agricola next describes that gold, silver, copper and mercury can be found as native metals, the others very rarely.
  4. Except as recently delivered in meteoric iron, pure cobalt in native metal form is unknown on Earth ( see below ).
  5. Free cobalt ( the native metal ) is not found on Earth because of oxygen in the atmosphere and chlorine in the ocean.
  6. It's difficult to find native metals in a sentence. 用native metals造句挺難的
  7. Oxygen and chlorine are abundant enough in the upper layers of the Earth's crust to prevent the formation of native metal cobalt.
  8. It most often occurs as a native metal, typically in a metal solid solution with silver ( i . e . as a gold silver alloy ).
  9. Those most obvious to early man would have been gold, copper and iron; platinum and silver also occur as native metals, but much more rarely.
  10. Starting around 5500 BCE, early smiths began to re-shape native metals of copper and gold-without the use of fire-for tools and weapons.
  11. The album is characterized with many different music styles, middle-eastern melodies and non-native metal instrument such as clarinet, flute, oud and trumpets.
  12. No, I am not talking about the formation of the lead atoms themselves but the age that they had crystallised and laid as Native metal in that deposit.
  13. It is found either as a native metal ( rare ) or in cinnabar ( HgS ), corderoite, livingstonite and other minerals, with cinnabar being the most common ore.
  14. Those most obvious to early man would have been gold, copper and iron; platinum and silver also occur as native metals, but much more rarely . ( p . 9)
  15. Over geological time scales, very few metals can resist natural weathering processes like oxidation, which is why generally only the less reactive metals such as gold and platinum are found as native metals.
  16. The energy that was used to electrolyze the potassium from a potassium salt ( since potassium is never found as the native metal on Earth ) may have come immediately from any of various sources.
  17. 更多例句:  下一頁

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