“瞬发裂变中子测井”的概念、定义、翻译、参考文献-科学参考

单词	瞬发裂变中子测井
释义	瞬发裂变中子测井 Encyclopedia 理学铀矿放射性测井释 prompt fission neutron logging瞬发裂变中子测井在井孔中开展的中子测量方法。该法利用脉冲中子源向钻孔周围的地层发射快中子，快中子被地层慢化后形成热中子群，热中子引发地层235U发生裂变反应，探测裂变反应过程中瞬时（约10-14秒）发射出来的裂变中子，该裂变中子称为瞬发裂变中子（约占235U裂变反应所能发射的全部裂变中子总量的99%以上），故称瞬发裂变中子测井。
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。