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maximum permissible body burden造句

"maximum permissible body burden"是什么意思   

例句與造句

  1. Maximum permissible body burdens were given for 11 nuclides.
  2. Research he did at MIT enabled him in 1941 to establish one 10-millionth of a gram of radium as the " maximum permissible body burden, " or the maximum amount acceptable without the likelihood of bodily damage.
  3. A professor of physics at the Massachusetts Institute of Technology for 38 years until he retired in 1972, he was a founder of nuclear medicine and established the standard used throughout the word for the maximum permissible body burden of radium.
  4. In 1941 this research enabled Professor Evans to establish one ten-millionth of a gram ( 0.01 ?Ci ) of radium as the " maximum permissible body burden "-the greatest quantity of a radioactive substance that the human body can tolerate without a likelihood of damage, allowing a large margin for safety.
  5. It's difficult to find maximum permissible body burden in a sentence. 用maximum permissible body burden造句挺難的

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