The appearance of the different spectral type for white dwarfs depends mainly on the difference in temperature and internal mixing degree.

白矮星不同光谱型的表现，主要是由于温度的不同和内部混搅程度的不同引起的。

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Through a test research for heat pipe radiators of steel column type, we get the relative formula of heat transfer rate, calculating temperature difference and flow rate of the heat medium.

通过对钢制柱型热管散热器的试验研究，得出了散热器热流量和计算温差、热媒流量的关系式，并提出了进行热工性能试验的方法及进一步研究的意见。

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