EPISODE · Apr 29, 2018 · 1 MIN
不用电的荧光棒为什么会发光
from 英语小小孩 · host 英语小小孩
去年露营的时候我用了很多荧光棒,例如去洗手间时照明或者标示帐篷的位置。荧光棒是一次性的。当你用的时候首先要把荧光棒的管子搞弯,但不能弄断,那会流出液体。搞弯实际上是把荧光棒中的一小管过氧化氢搞断释放出来,让它们和荧光棒中的另外一种物质diphenyl oxalate进行化学反应,产生能量。能量被荧光棒中的颜料吸收,再释放出来就是颜料的荧光了。
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不用电的荧光棒为什么会发光
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