demineralization [demi:nrəlaɪ'zeɪʃn]

例句:

• This modest amount of sodium bicarbonate prevents the potassium depletion and demineralization of bone.
  这点碳酸氢钠量即可防止缺钾和骨质脱钙.
  
• The dialysis principle can be used for demineralization of brackish water.
  渗析原理的应用是除半咸水中的盐.
  
• Complete demineralization is achieved by ion exchange.
  用离子交换可以获得彻底的脱盐效果.