蔽日黄沙迥不同 神奇静电匿其中——漫话沙尘中的静电现象
李兴财刘丹丹
宁夏大学物理电气信息学院宁夏沙漠信息智能感知重点实验室
Abstract: <正>沙尘对人类的危害主要体现在沙尘天气。沙尘天气,是指大量沙或尘被风吹起并随气流进入空中造成大气浑浊的现象。按照能见度(人眼能见的最远距离)大小可分为浮尘(能见度小于10 km)、扬沙(能见度在1~10 km)、沙尘暴(能见度小于1 km)和强沙尘暴(能见度小于500 m)四类。图1展示了国内两城市遭强沙尘暴袭击场景。沙尘天气的危害极其严重,如降低空气质量,毁坏公共设施和农田,影响交通及人类生命安全,导致呼吸系统疾病暴发;影响太
- DOI:
10.13405/j.cnki.xdwz.2014.02.005
- Series:
- Subject:
- Classification Code:
O441.1
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