potassium nitrate

基本解释

Then they immerse this electrode in a potassium nitrate electrolyte solution.
最後他們把電極放在鈉硝酸鹽電極的溶液中進行沉澱。
During the day, energy is stored by heating up large tanks of molten salt composed of a mixture of 60 percent potassium nitrate and 40 percent sodium nitrate.
白天，能量通過加熱龐大容器裡的熔融鹽保存起來，熔融鹽由60%的硝酸鉀和40%的硝酸鈉組成。
Winthrop often treated kids with his top secret cure-all "rubila, " later revealed by Oliver Wendell Holmes to be a mix of antimony and saltpeter, a precursor to the explosive potassium nitrate.
溫斯洛浦經常給孩子們開他的頂級秘方——包治百病的“rubila”。後來，奧利彿·文戴爾·赫爾姆斯發現就是銻和硝石的混郃物，也就是易爆物硝酸鉀的前身。

Current molten salt mixes are typically 60% sodium nitrate and 40% potassium nitrate.
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And David Laird, of America's Department of Agriculture, showed that biochar even helped the rich soil of America's Midwest by reducing the leaching from it of a number of nutrients, including nitrate, phosphate and potassium.
ECONOMIST: Biochar could enrich soils and cut greenhouse gases as well

a colourless or white crystalline compound used in gunpowders, pyrotechnics, fertilizers, and as a preservative for foods, esp as a curing salt for ham, sausages, etc (E252). Formula: KNO3 (Also called saltpetre, nitre)