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device for the measurement of absorbed dose of ionizing radiation and a sensitive medium in an ionization chamber
device for the measurement of absorbed dose of ionizing radiation and a sensitive medium in an ionization chamber
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机译:测量电离室和敏感介质中电离辐射吸收剂量的装置
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摘要
The present invention relates to a device for measuring an absorbed dose in an ionizing radiation field, and to a sensitive medium for use in an ionization chamber. The device includes a detector body (11) which is of the ionization chamber type and comprises two mutually spaced electrode elements (20, 30) and means (50) which together with the electrode elements delimit in the detector body a measuring first chamber (40) for a sensitive medium. A second chamber (60) is disposed in spaced relationship with the measuring chamber, and a flow channel (61) extends through one of the electrode elements such as to connect the measuring chamber with the second chamber. The sensitive medium is a liquid. According to the invention, the sensitive medium is a mixture of isooctane (C8H18) and tetramethylsilane (Si(CH3)4).
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