For ionic compounds, the state of having exactly the ratio of cations to anions specified by the chemical formula.
在离子化合物中，正、负离子的比例严格遵守化学公式定义的化合价关系。
2
To keep the stability of milk, it is essential that the ratio of ionic calcium and magnesium to phosphoric acid and citric acid in the milk must be suitable.
为了保持牛奶的稳定性，牛奶中的钙离子、镁离子与磷酸、柠檬酸之间应保持适当的比例。
3
Experimental results show that after adding the ionic masking agent, effectively improve the copper powder antioxidant properties, and the main influence factors is the coated and mole ratio.