metallic element, 1807, coined by English chemist Sir Humphrey Davy (1778-1829) from Modern Latin potassa, Latinized form of potash (q.v.). Davy first isolated it from potash. Symbol K is from Latin kalium "potash," from Arabic al-qaliy "the ashes, burnt ashes" (see alkali).
potassium 英文释义
1. a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
potassium 双语例句
1. These chemicals modulate the effect of potassium.
这些化学物质可以调节钾的功效。
来自柯林斯例句
2. Fruits, vegetables, and wholegrains are rich in potassium.
水果、蔬菜和全谷物富含钾元素。
来自柯林斯例句
3. No potassium did we find in this mineral.
在这种矿石中我们没有发现钾.
来自《简明英汉词典》
4. The potassium content of foodstuffs is very variable.
食物中钾的含量差别很大。
来自辞典例句
5. Gunpowder is composed of sulfur, carbon, and potassium nitrate.
火药是由硫 、 碳和硝酸钾组成.
来自辞典例句
potassium 实用场景例句
These chemicals modulate the effect of potassium.
这些化学物质可以调节钾的功效。
柯林斯例句
Fruits, vegetables, and wholegrains are rich in potassium.
水果、蔬菜和全谷物富含钾元素。
柯林斯例句
The potassium content of foodstuffs is very variable.
食物中钾的含量差别很大。
辞典例句
Gunpowder is composed of sulfur, carbon, and potassium nitrate.
火药是由硫 、 碳和硝酸钾组成.
辞典例句
The succession of uranium to potassium ratio anomalies is at about two - mile.
铀钾比值异常延伸约达2英里.
辞典例句
The potassium hydroxide electrolyte is forced into the cells just before use.
在开始使用前把氢氧化钾电介质压入蓄电池.
辞典例句
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.
辞典例句
Alkalosis and potassium depletion may be pronounced.
可能有碱中毒和缺钾.
辞典例句
The components of a potassium cycle vary greatly.
钾素循环的各个环节有很大的变化.
辞典例句
The usual counter - ions are sodium, potassium and ammonium.
反 离子通常是钠, 钾和铵.
辞典例句
They are alumino - silicates of sodium . potassium and calcium.
它们都是钾和钙的铝硅酸盐类.
辞典例句
Calcium is also necessary to prevent leakage of potassium during the aging of beet slices.
甜菜薄片衰老时期,钙对于防止钾离子丧失,也极其必要.
辞典例句
When wheat plants allowed to become deficient in potassium, pyruvate kinase activity increased.
当小麦植株令其缺钾时, 丙酮酸激酶活性随之升高.
辞典例句
The first sign of potassium deficiency is a white speckling or freckling of the leaf blades.
缺钾的最初病症是叶片呈现白色斑痕或斑点.
辞典例句
Potassium manuring may be less critical in continuous grass farming than in ley farming.
