Sodium-potassium balance is maintained by the sodium potassium pump.

钠钾泵维持钠钾平衡。

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Calcium reacts with water but less violently than sodium and potassium do.

钙能与水产生化学反应但不如钠以及钾那么剧烈。

《柯林斯英汉双解大词典》

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So either a potassium cyanide or sodium cyanide, these are used in synthesis in terms of making carbon-carbon bonds.

因此无论是氰化钾还是氰化钠，都被用来在合成过程中,制造碳碳键。

麻省理工公开课 - 化学原理课程节选

if we're actually thinking about electron configuration and we look at lithium, sodium and potassium, these all have one valence electron.

让我们来想一想,锂，钠，钾的电子排布，它们都只有一个价电子。

麻省理工公开课 - 化学原理课程节选

The ones that are most important in physiology are ones that only allow ions to go through: sodium, potassium, chloride, calcium, bicarbonate.

在生理学上这种,只能允许某种离子通过的通道十分重要,这些离子包括钠离子,钾离子,氯离子,钙离子和碳酸氢根离子

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Too little or too much electrolytes like sodium and potassium in the body can cause trouble.

FORBES: Death from Dehydration

As mentioned, Jake has much higher amounts of alkali elements, metals such as sodium and potassium, than previously analysed Martian rocks.

BBC: Cosmic coincidence on the road to Glenelg

Diuretic drugs can commonly cause cramping through dehydration, sodium or potassium depletion.

CNN: What causes leg cramps?