rare alkaline earth metal
常見例句
- Adding some rare-earth metal to the positive material of alkaline Zn-MnO2 batteries was studied.
研究了在負(fù)極中添加氧化鐠、氧化鈰，對堿性鋅錳電池性能的影響。 - However, under the same conditions, other common alkali- alkaline earth-, transition-and rare earth metal ions induced no or very little color change.
同樣條件下加入其他常見堿金屬、堿土金屬、過渡金屬離子，卻不能引起該傳感器溶液顏色的變化。 - 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。
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