钾碘化物是一种盐停止，采取在身体所能发出的放射性碘在核战的紧急情况。
Potassium iodide is a salt that stops the body from taking in radioactive iodine that can be emitted during a nuclear emergency.
因为它是稀有天然放射性同位素钾衰变而产生的，所以可以用来测定十万年以上的岩石年龄和采样。
Because a radioactive form of argon is produced by decay of a naturally occurring radioactive potassium isotope, it can be used to date rocks and samples more than 100,000 years old.
基于钾的天然放射性，用放射性方法测定固体钾肥产品中的钾含量。
Based on the natural radioactivity of potassium, the contents of potassium in solid potash fertilizer products were determined by radioactivity method.
通过塔里木盆地不同层系沉积岩石中放射性元素铀、钍、钾的含量实测数据，计算了不同岩石的生热率。
The paper presents the heat generation rate on the bases of measurements of the contents of uranium, thorium and potassium for different types of sedimentary rock in Tarim basin.
通过塔里木盆地不同层系沉积岩石中放射性元素铀、钍、钾的含量实测数据，计算了不同岩石的生热率。
The paper presents the heat generation rate on the bases of measurements of the contents of uranium, thorium and potassium for different types of sedimentary rock in Tarim basin.
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