molybdenum
/muh-lib-duh-nuhm/US // məˈlɪb də nəm //UK // (mɒˈlɪbdɪnəm) //
钼,钼制,钼制品,钼矿
Definitions
n.名词 noun
- 1
Chemistry.
- : a silver-white metallic element, used as an alloy with iron in making hard, high-speed cutting tools. Symbol: Mo; atomic weight: 95.94; atomic number: 42; specific gravity: 10.2.
Examples
Locked underground is billions of dollars’ worth of gold, copper and molybdenum, an important alloy in many types of steel.
Iron and copper ores frequently contain molybdenum, sometimes in quantity; consequently it is met with in slags and pig-iron.
All molybdenum compounds are converted into the trioxide by boiling with nitric acid.
Vanadium is white, and when its surface is polished, it resembles silver or molybdenum more than any other metal.
We noted a similar close resemblance between the positive strontium and the negative molybdenum.
It consumes a lot in its own steel industry, even using manganese as a substitute for scarcer alloys like nickel and molybdenum.
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