【科学60秒】劈啪作响的云团_英语听力练习mp3下载-自然-沪江听力酷

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【科学60秒】劈啪作响的云团

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Some interesting electrical activity in the clouds of ash ___1___ around Europe as a result of that ___2___ volcano. Models predicted that electrical charge should be limited to the top and bottom of any ash plume, which is often the site of spectacular lightning.
___3___ And that such charge was being generated within the plume—it wasn’t a remnant of the energy of the volcanic eruption or a result of any local weather events. Interactions among ash particles seem to be constantly renewing the charge.
The finding appears in the journal Environmental Research Letters and is the first ___4___ research related to the April volcano eruption.
The study authors note that charging can change the way the particles ___5___ and how they interact with rain. The practical reason for understanding the electrical nature of ash plumes is that they can interfere with aircraft radio communication. And if any charged ash infiltrates a plane, it could be an electrostatic hazard, to the plane’s systems and to the plane’s passengers.