There are four principal neutron interactions that affect formation evaluation: elasticneutronscattering, inelastic neutron scattering, fast-neutron reactions and neutron capture.
影响地层评价的中子反应有四种，包括中子弹性散射、中子非弹性散射、快中子反应和中子俘获。
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You can have an elasticscattering collision where the neutron just essentially bounces off the uranium 235 atom and just continues on and it's possibly slowed down ever so slightly.