The 98% pure Heneicosane(C21H44) was used as the phase change material(PCM).

采用纯度为98%的正21烷（C21H44）作为相变材料（PCM）。

youdao

The solar dynamic power module proposed for the space station uses the heat of fusion of a phase change material (PCM) to efficiently store thermal energy for use during eclipse periods.

利用相变材料（PCM）的熔化潜热来蓄热可以保证空间站太阳能热动力系统在轨道的阴影期内仍能连续发电。

youdao

Quenching can change material properties of polymer foils.

淬火可以使聚合物薄膜材料改性。

youdao

This is the idea that a patentshould be given to a machine or something that creates a material change, like a chemical process.

VOA: special.2010.07.16

Either keep up the good work or you better change your strategy because you are not mastering the material.

保持好的工作,或者你最好改变你的策略,因为你不擅长处理这个材料。

麻省理工公开课 - 固态化学导论课程节选

In other words, how much does the temperature of the whole thing change when you put an ordinary amount of material in there and run a reaction, right. Well, what do you do?

当你放入通常数量的材料,并进行反应时,整个装置的温度,改变有多少，你要做什么？

麻省理工公开课 - 热力学与动力学课程节选

Combined with the phase change material, this would allow a boiler to fire much less often -- seems like a great idea, if you ask us.

ENGADGET

Beyond this eco-friendly element, Radiator Labs is integrating a phase change material into its product that can store energy and heat an apartment for up to four hours without assistance from the boiler.

ENGADGET

The Embrace bag contains a pouch filled with a phase-change material that melts when heated and maintains a consistent 37 degrees Celsius as as the wax hardens over the next four to six hours.

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