100 resultados para radioactive nuclides


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"May 1970."

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Mode of access: Internet.

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Mode of access: Internet.

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"Prepared under Contract AT(04-3)-413 for the San Francisco Operations Office, U.S. Atomic Energy Commission."

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An instrument that can continuously monitor air for tritium has been developed. It utilizes a flow type ionization chamber and a vibrating reed electrometer. A response of double normal background is produced by 9.4 x 10⁻⁵ [mu]c H³/cc air; the presently accepted MPC is 2.0 x 10⁻⁵ [mu]c H³/cc air. Its operation is completely automatic.