常見例句雙語例句It does not absorb the alkaline-earth metal ions and behave as the polyamine resins.但不吸附堿土金屬離子，這和聚多胺樹脂相同。A photoluminescent material comprising a composition of halogen-substituted alkaline earth metal aluminate doped with at least one rare-earth element activator.一種光致發(fā)光材料，其包含摻雜有至少一種稀土元素活化劑的鹵素取 代的堿土金屬鋁酸鹽的組合物。ip.comIn the paper, the test results about fluorine retention in the alkaline-earth metal compounds combustion were studied to develop high-efficient fluoride retention additive.為了開發(fā)高效燃燒固氟劑，通過實驗研究了堿土金屬化合物的燃燒固氟效果。 返回 alkaline-earth metal