It does not absorb the alkaline-earthmetal ions and behave as the polyamine resins.
但不吸附碱土金属离子，这和聚多胺树脂相同。
2
In the paper, the test results about fluorine retention in the alkaline-earthmetal compounds combustion were studied to develop high-efficient fluoride retention additive.
为了开发高效燃烧固氟剂，通过实验研究了碱土金属化合物的燃烧固氟效果。
3
The complexation properties of them with alkali and alkalineearthmetal ions have been investigated by means of visible spectra in solutions.