Hence hydrogenous materials including oil, polyethylene, water, wood, paraffin, and the human body are good moderators.
2.
A further complication in the case of neutron scattering from hydrogenous materials is the strong incoherent scattering of hydrogen ( 80.27 ( 6 ) barn ).
3.
The questionable effectiveness of ER weapons against modern tanks is cited as one of the main reasons that these weapons are no longer fielded or neutron moderating hydrogenous material ( substances containing hydrogen atoms ), such as explosive reactive armor, can both increase the protection factor, the author holds that in practice combined with neutron scattering, the actual average total tank area protection factor is rarely higher than 15.5 to 35.
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