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...

前言：使用了网上的几个库，整来整去error套error，最后发现个还不错的比较简洁并且能使用的自动收发邮件的库zmail，分享如下，也算是做个笔记方便我后面使用。1、邮件中打开SMTP / POP3...

先邀请大家完成一个非常欢乐的智力测试。-------------------------------------------------高尚的分割线-------------------------...

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