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在２５６－３６６Ｋ范围内测量了ＨＣ１２７０／ＨＣ６００ａ物系９个组成、７３组ＰＶＴｘ数据，温度、压力、比容和组成的测量精度分别在±３０ｍＫ、±１．４ｋＰａ、±０．１８％和±０．３３％以内．引入了泡点ＴＶｘ８测量．对两相区实验数据进行了平衡组成推算．
The composition of HC1270 / HC600a was measured in the range of 256-366 K with 9 components. The PVTx data of 73 groups were measured within ± 30 mK, ± 1.4 kPa, ± 0.18% and ± respectively for temperature, pressure, specific volume and composition 0.33% or less. Bubble point TVx8 measurements were introduced. The two-phase zone experimental data were balanced composition estimated.