用记事本打开这个文件phoenics\d_earth\props
材料属性包括：
1 density, kg/m**3
2 kinematic viscosity, m**2/s,
3 specific heat, joules/(kg*degC)
4 thermal conductivity, watts/(m*degC)
5 thermal expansion coefficient,(degC)**(-1)
6 compressibility, or the reciprocal of Young's Modulus in the case of solids, m**2/Newton
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以0号物性为例子：<0 > Air at 20 deg C, 1 atm, treated as incompressible
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0
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1.189
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1.544E-05
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1005.0
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0.0258
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3.41E-3
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0.0
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PRPS
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density
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viscosity
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specific heat
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conductivity
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thermal expansion coefficient
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compressibility, or the reciprocal of Young's Modulus in the case of solids
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kg/m**3
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m**2/s
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kg*degC
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m*degC
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(degC)**(-1)
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m**2/Newton
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物性编号
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密度
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粘度
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比热
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导热系数
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热膨胀系数
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压缩系数或杨氏莫量
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然后可以自己编辑
气体，液体，固体（注意编号）
将自己编写的物质属性对应空缺编号位置对号入座
然后重启PHOENICS
OK
