airkerma相关论文
ABSOLUTE MEASUREMENT AND INTERNATIONAL COMPARISON OF AIR KERMA IN LOW ENERGY X-RAYS BEAM QUALITIES O
A free air ionizing chamber was designed and manufactured to realize the SI unit Gray in the range of low energy x-rays,......
At the NIM a cylindrical cavity ionization chamber has been establishes as primary standard to measure air kerma for......
分析了国际计量局组织的137 Cs空气比释动能关键比对(BIPM RI(Ⅰ)-K5)基准的几何参数、修正因子以及修正因子的确定方法,对我国137......
