potassium 的定义
Chemistry.
- a silvery-white metallic element that oxidizes rapidly in the air and whose compounds are used as fertilizer and in special hard glasses. Symbol: K; atomic weight: 39.102; atomic number: 19; specific gravity: 0.86 at 20°C.
更多potassium例句
- That’s because the kidneys, which filter out waste from the blood, maintain a special ratio of electrolytes, such as sodium, to potassium, to water.
- In most insects, large “principal” cells pull in positively charged ions, such as potassium.
- Plants get a boost from fertilizer, but check the ratio of key nutrients — nitrogen, phosphorus and potassium — to see if it matches the plant you’re feeding.
- Like a skunk’s spray, their traces of sodium and potassium would stand out amid the company of less potent atoms.
- India’s iodization push of the 1980s and 1990s succeeded because the government helped saltmakers buy modern equipment and provided free potassium iodate and technical support.
- It takes around 48 hours for a patient poisoned with potassium to die, which gave Poggiali plenty of distance from the deaths.
- The summertime staple is also a good source of potassium, vitamin A and vitamin C. 2.
- Unlike sports beverages, coconut water is low in carbohydrates, while still rich in potassium.
- They also have potassium for hydration and iron for healthy circulation.
- Feel good about using cottage cheese as a dip because it delivers calcium, quality protein and potassium.
- By far the most important of the conjugate sulphates and representative of the group is potassium indoxyl sulphate.
- Indol is absorbed and oxidized into indoxyl, which combines with potassium and sulphuric acid and is thus excreted.
- Bromide of potassium is generally recognised as the most effective anti-epileptic remedy we at present possess.
- For the last six years he has regularly taken the bromides of potassium and ammonium (one drachm and a half) daily.
- For six years past she has taken regularly the bromides of potassium and ammonium, one drachm of each daily.