Based on Burnett method, an experimental apparatus for measuting PVT properties of gas is established and it is applied to determine compressibility factors of SiH_4-N_2 system at various temperatures and concentrations.

• 本文据Burnett法原理,建立了一套测定气体PVT性质的实验装置。 用该装置测定了SiH_4-N_2体系不同温度和不同浓度下的压缩因子数据。