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Apparatus and method for the investigation of radioactive sources of radiation in a sample
Apparatus and method for the investigation of radioactive sources of radiation in a sample
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机译：用于研究样品中放射源的设备和方法
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摘要
The invention provides an improved correction technique for use in analysing bodies of material containing radioactive sources. In particular the invention provides apparatus and a method, the method comprising a method of investigating radioactive sources in a body of material provided at an investigation location, the body of material comprising a plurality of samples, the method comprising detecting a portion of the emissions arising from a sample, the detected portion relating to a detected level, the detected level being corrected according to a correction method to give a corrected level, the method being repeated for one or more of the other samples, the correction method for one or more of the samples comprising providing a generator of radioactive emissions and detecting the radioactive emissions from the generator with the sample at the investigating location, the relationship of the emissions detected with the sample at the investigating location to the emissions which would be detected with the sample absent from the investigating location determining a characteristic of the sample, the determined characteristic being employed as a factor in the correction method used for that sample to obtain the corrected level.
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