Tungsten
material could reduce the size and volume to have a better radiation absorption
environment, which is much superior to lead, because of its high density rage
from 17.0g/cm3 to 18.5g/cm3, then much denser. When you need to direct a
specific amount of radiation to a targeted area, tungsten provides a control
you need even under extreme, high-heat conditions.
Therefore,
tungsten is popular for radioactive source containers, gamma radiography, source
holders for oil-well logging and industrial instrumentation; also used widely
for medical radiation protection such as in cancer therapy, syringe injections radioactive
protection, X-ray examination, gamma knife operation, etc.
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