Other prototypes use potassium hydroxide, water and heat energy to go through a series of chemical reactions that eventually release CO2 out of the air, but all of these processes require extra energy and heat in order to work.

其他原型使用氢氧化钾、水和行一系列化学反应，最终从空中释放二氧化，但所有这些过程都需要额外的量和量才工作。

Did he obtain air using chemical methods, releasing the oxygen contained in potassium chlorate by heating it, meanwhile absorbing the carbon dioxide with potassium hydroxide?

他是用化学方法获得空的吗？是用氯酸钾加放出氧，还是用氢氧化钾吸收二氧化？

As well as strong bases, like sodium and potassium hydroxide.

以及强碱，如氢氧化钠和氢氧化钾。

So the potash that Davy was using was actually potassium hydroxide.

因此戴维使用的钾实际上是氢氧化钾。

They use a chemical called potassium hydroxide to help make power.

它们利用一种名为氢氧化钾的化学物质来辅助产生电力。

The water and hydroxide ions, by the way, come from a solution of potassium hydroxide.

顺便说一句， 水和氢氧根离子来自氢氧化钾溶液。

Potassium reacts with water, forming potassium hydroxide and hydrogen gas.

钾与水发生反应， 生成氢氧化钾和氢。