| 摘要 |
A heat transfer tube includes a container, a cavity within the container, a substantially homogeneous nanoparticle powder located within the cavity, and a gas. The cavity is in a partial vacuum state. The nanoparticle powder includes a material in a solid state capable of substantially freely emitted and reabsorbing a gas as a function of temperature, such as a hydrate, hydride, or other material.
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