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The vacuum insulated panel is a kind of vacuum insulation material, it is a composite material with special structure made of core material and vacuum protection of surface by the principle of vacuum insulation, it has a very low thermal conductivity, between 0.004 and 0.007, which is the most advanced and efficient thermal insulation material in the world.
It is used in Occasions that require a higher energy-saving, insulation materials are small and light, and with greater technical and economic significance. 1.
（3） where: ambient temperature at outdoor, °C； the thickness of single material, ； thermal conductivity of single material, In the non-steady state heat transfer, the heat flux through the inner surface of envelope structure made of single material constitutes thermal heat flux intensity of envelope and regenerative strength of material, and the regenerative strength is:
Acknowledgment The study also supported by Science & Technology Program of Shanghai Maritime University(2008468), foundation of shanghai key subjection (J50603) and the foundation of the student Science and Technology Innovation of Shanghai Maritime University (yc2009111).
Huainan Vocational and Technical College Journal. 2007(1), 37-39.

The procedure to calculate materials parameters from bulge tests is shown in Figure 1(b).
Materials parameters of strain rate sensitivity and strength coefficient have been calculated from the log-scaled plot of stress vs. strain rate in Figure 4(b).
Materials parameters obtained from tensile and biaxial testing are shown in Table 1.
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Furthermore improvement of metal forming process for materials which has poor formability such as high tensile steel or magnesium alloys can also be possible.
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Table 1-1 Technical Requirements of Marshall Test on Mix Proportion of SMA Mixture Testing Items Unit Technical Requirements Testing Methods Void VV % 3～4 T 0705 Void of Mineral Aggregate (VMA), no less than % 17.0 T 0705 Void of coarse aggregate (VCAmix), not more than % VCADRC T 0705 Asphalt saturation degree % 75～85 T 0705 Stability, no less than kN 6.0 T 0709 Flow value mm -- T 0709 Loss of binding materials in the asphalt leakage test % Not more than 0.1 T 0732 Mixture loss of the raveling test % Not more than 15 T 0733 Note: The standard is applicable to the heavy-traffic roads or hot areas which use modified asphalt and have high requirements on high-temperature stability.
Through analyzing by combining with the testing results of raw materials, we could find that the anti-crushing performance of limestone aggregate SMA was obviously worse than that of basalt aggregate SMA, which caused fragmentation of the internal coarse aggregate in the testing specimen and instability of coarse structure.
In addition, because of the difference in materials and adhesion of asphalt, the asphalt film of the limestone surface was relatively thick, which caused the asphalt in the limestone particles to provide good sliding performance in high temperatures.
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Introduction  The unsaturated polyester resin (UPR) is a new type of building and furnishing materials, It is often used for countertops in kitchen and bathroom renovation.
A 3D structure of composite materials is formed since the addition of rigid particles, the composite material’s different physical characteristics of each dimension make anisotropic, the changes of mechanical properties are reflected mainly in interface.
For isotropic materials, there are two independent material constants only, there are three independent constants in the stiffness tensors and compliance tensors only.
Liu: Journal of Hunan University of Science ＆Technology（Natural Science Edition）Vol. 24 (2009), p. 95-97 In Chinese
Gao:Journal of Materials Science & Engineering, Vol. 22(2004), p.488-494 In Chinese

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When a spool valve works at the temperature as high as 600~700 K, materials with special heat treatment are needed to make the spool and sleeve sliding friction pair [8-9].
Therefore materials with lower thermal expansion coefficients should be used to make the valve.
Therefore heat insulating materials are needed between the valve body and the electromagnet to protect the electromagnet from the high temperature.
Heat insulating materials should be used to block the heat transfer from the valve body to the operating proportional electromagnet.
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Efforts to eliminate pollution can therefore follow the same basic principles widely used in quality programs: use inputs more efficiently, eliminate the need for hazardous, hard-tohandle materials, and eliminate unneeded activities.
Extracting more economic value from fewer natural resources and raw materials can improve existing products and services and lead to the development of new ones.
Organization Science, 14(5), 510–527
Academy of Management Journal, 43(4), 698–716
Academy of Management Journal, 43(4), 681–697