搜索 - 科创

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好久没冒泡了。最近大家都在关注负离子粉的新闻。可惜现在人在国外，没有办法购得样品进行测试。盖格计数器只能检测电离辐射的强度和定性地确定辐射的种类。如果要确定样品中的核素，必须要对辐射的能谱进行测量。借...

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