1867年，大不列颠研究员JamesClerk Maxwell想知道能否从稀薄的空气里提炼出有用的能量。这明显与热力学第二定律相矛盾。
In 1867 James Clerk Maxwell, a British researcher, wondered if you could extract useful energy from thin air, in apparent contradiction to the second law of thermodynamics.
应用空气动力学、工程热力学理论，推导空气弹簧垂向动态特性分析的数学模型，经过试验验证模型的正确性。
Based on the theory of aerodynamics, engineering thermodynamics, the mechanical model for air spring vertical dynamical characteristics analysis is built and proved to be correct by test.
介绍了空气弹簧的热力学特性，对空气弹簧的垂直刚度特性和阻尼特性进行了分析。
The thermodynamic characteristics of air spring are introduced. Also analyzed are the vertical stiffness and dampness characteristics.
从热力学角度分析，二甲醚与空气和水蒸汽作用从而产生富氢燃料电池的底物，但是，氢浓度小于用纯二甲醚蒸汽作为原料重新反应所得到的。
Thermodynamically, dimethyl ether processed with air and steam generates hydrogen-rich fuel-cell feeds; however, the hydrogen concentration is less than that for pure DME steam reforming.
假设空气弹簧的垂向刚度仅取决于内部气压 ，从工程热力学的气体多变方程出发推导了空气弹簧的垂向刚度。
Set out from the angle of the engineering applying, deduct calculations of air spring vertical stiffness with different guiding accessories.
假设空气弹簧的垂向刚度仅取决于内部气压 ，从工程热力学的气体多变方程出发推导了空气弹簧的垂向刚度。
Set out from the angle of the engineering applying, deduct calculations of air spring vertical stiffness with different guiding accessories.
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