“delayed fission neutron logging”的概念、定义、翻译、参考文献-科学参考

单词	delayed fission neutron logging
释义	delayed fission neutron logging Encyclopedia 理学铀矿放射性测井释 delayed fission neutron logging缓发裂变中子测井利用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，探测裂变产物经过放射性衰变发射出来的裂变中子的方法。是在井孔中开展的中子测量方法。
随便看	left semi Fredholm operator left semi-Fredholm operator left semihereditary ring left semilinear mapping left serial ring left shunt left side left-sided decomposition left-side limit left-side residue class left side spin left simple groupoid left simple semigroup left singular ideal left singular point left singular semigroup left socle left solvable left stable rank Left Storehouse of the Finance Commission left structure left symbolic power left symbol of an operator left symmetric identity left tangent

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