neutron threshold detector  中子阈探测器

personnel neutron threshold detector  个人中子阈值探测器

threshold neutron  阈能中子; 底限能中子

neutron fission threshold  中子裂变阈值

neutron neutron log  中子中子测井; 中子-中子测井

neutron neutron reaction  中子-中子反应

neutron neutron scattering  中子-中子散射

Neutron-neutron discrimination  中子—中子甄别

neutron-neutron log  中子–中子测录; 中子-中子测井

neutron-neutron logging  中子-中子测井

neutron-neutron re-action  中子—中子反应

neutron-neutron(n-n)logging  中子一中子测井法

effective sub-critical neutron multiplication factor k s with external neutron source  有源次临界中子倍增因子ks

effective sub-critical neutron multiplication factor k_s with an external neutron source  有源次临界中子有效增殖因子ks

neutron epithermal neutron log  中子超热中子测井

neutron thermal neutron log  中子热中子测井

neutron-deficient and neutron-rich  缺中子和丰中子

neutron-rich and neutron-deficient isotopes  丰中子和缺中子同位素

2-D threshold voltage model  二维阈值电压模型

a threshold dividend strategy  阈红利边界