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Dual isotope method to radiograph structures in nuclear steam supply systems
Dual isotope method to radiograph structures in nuclear steam supply systems
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机译:核蒸汽供应系统中射线照相结构的双同位素方法
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摘要
Two parallel heat exchange tubes having that part of a support structure between them to be interrogated for defects. A pair of radiation sources are positioned in the one tube to straddle the interrogated support portion, and a radiographic film is positioned in the tube behind the interrogated portion.
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