potassium中文什么意思

n.
【化学】钾。

• acesulfame potassium:    乙(酉先)磺胺酸钾 (一种无卡路里人 ...
• alginate potassium:    海藻酸钾
• alum-potassium:    钾明矾

例句与用法

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1. There have been few reported cases of excess or toxicity from potassium applications .
   施钾过量或施钾毒害的情况过去报道的不多。
2. The lengths of the probes used in horizontal hole in potassium mines were up to 200m .
   钾盐矿井水平巷道使用的探头长度达到200米。
3. 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。
4. Potassium manuring may be less critical in continuous grass farming than in ley farming .
   在多年生牧草地施用钾肥的迫切性比短期草地要小些。
5. Accumulation of excessive exchangeable potassium is from the use of mixed fertilizers or manure .
   由于施用混合肥料或厩肥使交换性钾过渡累积。

英文释义

名词

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
   同义词：K, atomic number 19

百科释义

Potassium is a chemical element with symbol?K (from Neo-Latin kalium) and atomic number?19. Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and is very reactive with water, generating sufficient heat to ignite the hydrogen emitted in the reaction and burning with a lilac flame.