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韩媒:中国细菌飘到韩国 两国PM2.5中8成细菌一致

2017-08-30 04:05:27   中国青年网

韩媒称,据一项研究结果显示,在韩国和中国大气中漂浮的细颗粒物(PM2.5)中,有80%以上的细菌一致。因此有分析认为,从中国乘风飘到韩国的细颗粒物很有可能还带来了细菌。

据韩国《朝鲜日报》8月29日报道,根据首尔大学保健研究生院金虎、李在荣、李承默(音)教授研究组的论文显示,在首尔和中国北京大气中发现的细菌里,83%为同一种类的细菌。另外,有统计数据显示,在首尔和日本长崎大气中发现的细菌相似性达到73%。

研究小组历时一年在韩国首尔大学、中国北京大学、日本长崎大学建筑物屋顶上,采集细颗粒物并提取细菌DNA后,通过分析碱基序列的方式进行了相似性比较。分析结果显示,三座城市大气中的细菌相似性在冬春季节较高,在夏季较低。研究组解释称,这种相似性是由冬季从西伯利亚地区刮来的西北风所引起的。但研究组表示:“来自中国的细菌是否直接随风飞到了日韩两国,还需要进行进一步的研究。”

资料图片:雾霾笼罩韩国首尔的景福宫 新华社记者姚琪琳摄

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