low-background lead

短语

词形变化

low-background leads 复数

释义与例句

n.
  1. 1.

    Lead with low inherent radiation levels, suitable for instruments and experiments highly sensitive to radiation.

    可数 不可数
  2. 2.

    Lead sourced from ancient shipwrecks, where the deep sea environment has kept it from accumulating radiation from outside sources, and where inherent radiation has decayed away in the time it has been sunk.

    可数 不可数
  3. 3.

    Used other than figuratively or idiomatically: see low-background, lead.

    可数 不可数