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| with the requirements for the energy conservation and consumption of building,the research and development of the new insulation materials for the wall's building gradually become a focus,but the studies on the thermally and moistly physical parameter for this type of porous medium materials is still in blank space. |

2Â¥2010-01-10 18:40:41
syh9288
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3Â¥2010-01-10 18:52:04
syh9288
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| in this paper,the researching method for parameters of the thermal and moist properties is analysed in the direct and indirect ways.According to ASTM E96-05 standard,the isothermal sorption curve and the coefficient of water vapor permeability for EPS, XPS and PU could be carried on the actual measurement and analysis. |

4Â¥2010-01-10 22:05:04
syh9288
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- ×¢²á: 2009-03-30
- ÐÔ±ð: GG
- רҵ: ÓлúºÏ³É
|
the all-parameteric identification process for the problem of the coupled heat and moisture is described in detail by the method of inverse problem. the equation that the balanced moisture content of materials and coefficient of the water vapor permeability is in dynamic state with the relative humidity provides the data base for the coupled heat and moisture transfer of the enclosure structure. |

5Â¥2010-01-10 22:19:43














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