And the common ones in glow in the dark toys are zinc sulfide and strontium aluminate.
而夜光玩具中常见的有硫化锌和铝酸锶。
| 单词 | Strontium aluminate |
| 释义 |
Strontium aluminate
原声例句
Scishow 精选系列 And the common ones in glow in the dark toys are zinc sulfide and strontium aluminate. 而夜光玩具中常见的有硫化锌和铝酸锶。 Scishow 精选系列 Strontium aluminate is more expensive, but it has a longer persistence, which means it emits visible light more slowly, and glows longer after being energized. 铝酸锶价格较贵，但持久性较长，这意味着它发出可见光的速度较慢，充电后发光时间更长。
中文百科
铝酸锶铝酸锶是一种浅黄色且不可燃的化学物质，密度比水较大，化学性质并不活泼，它的一个重要用途是用于荧光材料上，这种发光材料通常被标记为：SrAl2O4：Eu；SrAl2O4：Eu，Dy等，它们分别表示为被铕激活的铝酸锶和被铕镝共激活的铝酸锶，在被紫外线或可见光的照射后放置在黑暗环境中就可发出荧光。
英语百科
Strontium aluminate 铝酸锶Strontium aluminate (SRA, SrAl, SrAl2O4) is a solid odorless, nonflammable, pale yellow, monoclinic crystalline powder, heavier than water. It is chemically and biologically inert. When activated with a suitable dopant (e.g. europium, then it is labeled SrAl2O4:Eu), it acts as a photoluminescent phosphor with long persistence of phosphorescence. |
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