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。
And after 15 years, people with the better balance of sodium and potassium were more likely to still be alive.
而钠钾盐摄入平衡的人群，在15年后的存活率高于摄入不平衡的人群。
To determine saliva sodium and potassium can be widely used in clinical differential diagnosis.
唾液钠、钾离子的检测可能广泛应用于临床疾病的鉴别诊断中。
These relations remained significant after adjustment for age, body mass index, and sodium and potassium excretion.
在经匹配年龄、体重指数、钠钾排泄等因素后，这些关联性依然显著。
Objective To study the effect of oxiracetam on the current of sodium and potassium channels in rat hypothalamic neurons.
目的研究在奥拉西坦作用下大鼠下丘脑神经元钠钾通道电流的变化。
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。
Davy: British chemist who was a pioneer of electrochemistry, using its methods to isolate sodium and potassium (1807) and barium, boron, calcium, and magnesium (1808).
戴维：英国化学家，电化学的创始人，用它的方法分解出了钠和钾(1807年)，钡、硼、钙和镁(1808年)。
Supported molten salt membrane is made from a new kind of ceramic material (lithium meta-aluminate) and ternary eutectic mixture of lithium, sodium and potassium carbonates.
支撑熔盐膜由一种新型陶瓷材料(偏铝酸锂)和锂、钠、钾的三元最低共熔点混合物制成。
The Food Standards Code does not allow the use of sulphur dioxide, and sodium and potassium sulphites in raw meat, poultry and game and businesses may be fined for using it.
《食品安全法》严禁使用二氧化硫、亚硫酸钠和亚硫酸钾来处理生的畜肉和禽肉，违规经营场所和商家将被处以罚款。
Sodium and potassium are about the same in their chemical properties.
钠和钾的化学性质几乎是相同的。
Sodium and potassium are about the same in their chemical properties .
钠和钾的化学性质几乎是相同的。
Sodium and potassium are about the same in their chemical properties .
钠和钾的化学性质几乎是相同的。
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