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Encyclopedia
理学
铀矿放射性测井
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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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cutpoint algorithm
cutpoint graph
Cut Rhymes (Qieyun), manuscript, Tang Dynasty
cut rule
CUTS
cut set
cutset
cut set analysis
cutset matrix
cutset submatrix
cutset subspace
cut-sheet paper
cut station
cuttage
cutter
cutter compensation
Cutter Number
cut the pigtails
cut the stock
Cut-Thread Dress Inlaid with Weasel Fur of Emperor Guangxu's Concubine
cut-through routing
cut-through switch
cut through switching
cut-through switching
cutting
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