Profaịlụ ngwaahịa Ngwa bụ ụdị ọhụrụ nke α na β n'elu ihe mmetọ ihe (ụdị ịntanetị), ọ na-anakwere ihe niile emebere, nke etinyere n'ime ya site na iji mkpuchi nke ZnS (Ag) nke emebere nke ọma, kristal scintillator plastik, nwere okpomọkụ. , iru mmiri...
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