A Complete Collection of 100000 Whys
Fav十万个为什么
为什么火山喷发时会有闪电？
简单的摘要：火山喷发时出现闪电，主要是由于火山灰和岩石碎片的摩擦碰撞产生电荷、热气流与冷空气交汇形成对流以及电荷分离和中和反应。
1、火山灰和岩石碎片的摩擦碰撞产生电荷：火山喷发时，火山灰、岩石碎片和冰晶在烟流中通过摩擦碰撞产生电荷，并在重力作用下分离，形成电荷分布。
2、热气流与冷空气交汇形成对流：火山喷发产生的上升热气流与火山口上空的冷空气交汇，形成小范围的空气对流，类似于雷暴云中的闪电形成机制。
3、电荷分离和中和反应：电荷在火山烟流中分离并积累，当正负电荷相遇时发生中和反应，形成闪电现象。
1. Questo strumento raccoglie una vasta quantità di domande e risposte per rispondere ai vostri dubbi quotidiani.
2. Digitate direttamente le parole chiave della domanda che desiderate cercare nella casella di ricerca qui sopra.
3. I dati di questo strumento sono stati raccolti dal web; se riscontrate degli errori, potete segnalarceli affinché possano essere corretti.
Recommended Tools
![Audio playback tool]()
Audio playback tool
Invert the audio online and download the processed audio locally.
![Square Calculation Tool]()
Square Calculation Tool
Online square calculation tool
![Sound speed calculator]()
Sound speed calculator
Online calculation of sound propagation speed in air
![Time difference calculator]()
Time difference calculator
Calculate the difference between two times
![Pressure converter]()
Pressure converter
Online pressure conversion tool
![Volume Capacity Converter]()
Volume Capacity Converter
Online conversion tool for volumetric capacity (volume)
![PX Batch to REM Tool in CSS]()
PX Batch to REM Tool in CSS
Batch convert PX units in CSS code to REM units
![Online handheld barrage]()
Online handheld barrage
A small tool for displaying scrolling text on mobile phones
![Online dice rolling]()
Online dice rolling
Online dice rolling tool
![Reference Table for Children's Standard Height and Weight]()
Reference Table for Children's Standard Height and Weight
Online query of children's annotated weight and height
![Lung age calculator]()
Lung age calculator
Online lung age calculator
![CSS compression/formatting]()
CSS compression/formatting
CSS code online compression and formatting tool
![HTML code debugging preview]()
HTML code debugging preview
HTML code online debugging preview tool
![JS (eval) encryption/decryption]()
JS (eval) encryption/decryption
Online encryption/decryption tool for eval in JavaScript
![WPS Text Common Shortcut Key List]()
WPS Text Common Shortcut Key List
WPS Text Common Shortcut Key List
![Remove blank lines from online text]()
Remove blank lines from online text
Online text removal blank line processing tool
![Greedy Snake Online Game]()
Greedy Snake Online Game
Classic Snake Online Game
![Screen PPI calculation tool]()
Screen PPI calculation tool
Online Screen PPI Calculation Tool
![PornHub style logo generation tool]()
PornHub style logo generation tool
Generate PornHub style logo images online
![RGB/CMYK mutual conversion]()
RGB/CMYK mutual conversion
RGB color and CMYK color conversion tool
![Female Three Dimensional Self Test]()
Female Three Dimensional Self Test
Female standard three circumference online self-test tool
![Avatar Pendant Generator]()
Avatar Pendant Generator
An online tool that can generate Christmas avatars, holiday avatars, and national flag avatars
![World Timetable]()
World Timetable
Always check the current time around the world
![Website adaptive detection]()
Website adaptive detection
Online detection of webpage presentation effects on devices with different resolutions
粤ICP备2021116614号