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ce jing yong zhong zi guan de sun hao wen ti
Pages: 75-78
Year: Issue:  2
Journal: Well Logging Technology

Keyword:  nuclear logging neutron source radioactive disintegration life loss;
Abstract: The short lifetime of neutron tube limites its application. The main reasons for wear and tear of neutron tubes are analysed in theory and verified from experimental results. They are natural wear resulted from high pressure in neutron tube with the increase of helium (He) in natural decay of triton and the operation wear resulted from partial overtemperature of the target and from ion sputter of the target surface. Measures for decreasing neutron tube wear and lengthening its lifetime are proposed in light of the above mentioned reasons.
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