When something "sublimes" it turns directly into a gas from a solid? Bypassing the liquid state.

当某些东西升华时，会直接从固体变成气体-绕过了液体状态。

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This allows the catalyst to break down the remaining methane into solid carbon and hydrogen gas.

这使得催化剂能将余下的甲烷分解成固体碳和氢气。

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When something "sublimes" it turns directly into a gas from a solid?

什么情况下有些东西从固体跳过液体状态，而直接升华为气体？

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The gas is then fed into a stack of solid oxide fuel cells, where a chemical reaction between hydrogen and oxygen occurs, producing electricity, water vapor and a tiny amount of carbon dioxide.

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