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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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wino
Winshare
Winslow effect
Winslow Homer
winsock
winsorized
Winsorized mean
winsorized sample
Winsor, Justin
Winston Chao
Winston-Salem
Winter
winter and summer activities of museum
wintercreeper
wintercreeper euonymus
winter daphne
winter drought of pasture
Winter Ducks Frolicking in the Water
winter flood above frozen soil
winter fur
wintering ground
wintering season
winter jasmine
winter livestock management
winter migrant
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