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 advantages of phase change material are elaborated.

阐述了相变材料储能装置的优点。

youdao

It can change material roller and collect materials automatically.

它可以改变材料的压路机和搜集材料不攻自破。

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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