同时还测定了上述物质直至接近临界点的蒸气压及饱和液体密度，并提供了与温度关联式的系数值。
Vapor pressures and saturated liquid densities for all above compounds were also determined near the critical points, and the coefficients of correlation to temperature are provided.
利用不同温度下纯水的密度值，给出了水的体胀系数的计量原理、公式和方法。
This article gave the measuring principle, formula and method of waters expansion coefficient by using density value of pure water in different temperature.
讨论了聚氨酯软泡沫塑料的隔热机理和导热系数计算模型，对影响隔热性能的因素，如温度、密度、挤压、吸水率、环境压力等进行了分析。
The mechanism of transmit heat and the calculation model of the thermal conductivity of the soft polyurethane foam have been discussed and the affect factors of the thermal conductivity.
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