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单词 cadmium
释义 cadmium
[`kad·mē·ǝm]
CHEMISTRY
A chemical element, symbol Cd, atomic number 48, atomic weight 112.40.
METALLURGY
A tin-white, malleable, ductile metal capable of high polish; principal use is in the plating of iron and steel, and to a much less extent of copper, brass, and other alloys, to protect them from corrosion and improve solderability and surface conductivity, and as a control absorber and shield in nuclear reactors.
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