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1、真空单位换算 帕Pa 托Torr 微米汞柱mHg 毫巴mbar 大气压atm 工程大气压am 1 Pa 1 7.510-3 7.5 10-29.8692310-61.01971051 Torr 133.32 1 103 1.3332 1.3157910-3 1.359510-31 mHg 0.13332 10-3 1 1.333210-3 1.3157910-6 1.359510-61 mbar 102 7.510-17.5102 1 9.8692310-4 1.019710-3饱和水蒸汽的压力与温度的关系 ( 摘自 范仲元: “水和水蒸气热力性质图表“ p410 )温度水蒸气压力 MPa相应
2、真空度 MPa220.002640.09869240.002980.09835260.003360.09797280.003780.09755300.004240.09709320.004750.09658340.005320.09601360.005940.09539380.006620.09471400.007380.09395温度水蒸气压力 MPa相应真空度 MPa420.008200.09313440.009100.09223460.010090.09124480.011160.09017500.012340.08899520.013610.08772540.015000.086335
3、60.016510.08482580.018150.08318600.019920.08141温度水蒸气压力 MPa相应真空度 MPa620.021840.07949640.023910.07742660.026150.07518680.028560.07277700.031160.07017720.033960.06737740.036960.06437760.040190.06114780.043650.05768800.047360.05397温度水蒸气压力 MPa相应真空度 MPa820.051330.05000840.055570.04576860.060110.04122880.0
4、64950.03638900.070110.03122920.075610.02572940.081460.0198796 0.08769 0.01364 980.094300.007031000.101330温度水蒸气压力 MPa1020.108781040.116681060.125041080.133901100.143271120.153161140.163621160.174651180.186281200.19854温度水蒸气压力 MPa1220.211451240.225041260.239331280.254351300.270131320.278311340.304071360.322291380.341381400.36138
