千倍放大后的北京雾霾
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新浪网 2014-10-10
10月7-10日,北京连续4天雾霾,这些空气中的颗粒是什么呢?@张超_摇光用干净玻片采样一晚上,上面覆盖了一层或大或小的颗粒,在显微镜目视倍率1000倍下拍摄,粗略估计颗粒放大后在2-30微米不等。可见形状各异,但具体成分,只有化学分析,才能判断。
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千倍放大后的北京雾霾
新浪网
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