一排排用来浓缩可裂变铀同位素的气体离心机(图片来源wikipedia)2、燃耗,即消耗的重金属的质量与重金属初始质量的比值:mhm/mhm0。...petrovich feoktistov)在1989年发表论文说明了天然铀里也存在核裂变波(existence of nuclear burning wave in natural uranium medium
standard test for the evaluation of cleanable filter media . german,2004....laminates: us,4983434.1991,06-08. verein deutscher ingenieure. vdi3926 testing of clea-nable filter media