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词汇 Strontium aluminate
分类 英语词汇 英语翻译词典
释义

Strontium aluminate

原声例句
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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。

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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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