rhenium

n.[化]铼

A rare, silvery-white, dense, and extremely hard metallic element with a high melting point, symbol Re, and atomic number 75. It is used in the production of catalysts, electrical contacts, and thermocouples.

名词；化学元素；

1. Rhenium is primarily used in high-temperature superalloys for jet engines.
2. The catalyst in this reaction contains a small amount of rhenium.
3. Rhenium has excellent resistance to corrosion and high durability.