內蒙極寒有多冷?雞蛋碰石頭安然無恙
文章來源: 央視網 於
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央視網消息:冬季在內蒙古的額爾古納和根河,氣溫最低時低於零下50℃,那可是咱們難以想象的冷,滴水成冰已經不足以形容它,因為那裏開水也能瞬間結冰。
極寒天氣有多冷?有人說,在極寒天氣條件下,可以灑水成冰。就是把熱水拋灑出去,部分水汽在拋灑出去的瞬間,可以遇冷成冰。記住,一定是熱水,冷水拋灑出去的瞬間是成不了冰的。
當地人說,把熱水拋灑成冰在這裏不足為奇,低溫能把空氣中的水分直接凍成冰,您見過嗎?額爾古納市目前的溫度是零下36℃,我們可以看見,整個城區都已經被一片霧海所籠罩。一些建築在霧海中若隱若現。
氣象部門介紹,每當零下40℃左右的時候,空氣中的水分會直接凝華成冰晶,所以這種霧也叫作冰晶霧,當地人把這種情況叫凍冒煙了。在零下30℃的低溫中,這麵旗子多長時間能結冰?從拿開水麵到現在已經過去了15秒,大家可以看到,它已經不像之前那樣自然垂下,而是僵硬地立在那兒。
低溫下,吹泡泡也多了一種玩法
雞蛋碰石頭,不自量力,那麽冰凍狀態下的雞蛋呢,我們來做個試驗。這個雞蛋隻是外殼有點破損。雞蛋在戶外零下40℃的低溫中放置了兩個小時,就變得如此堅硬。
冬季常溫冷過冰箱,在額爾古納,商家把柿子、梨、蘋果、海鮮直接放置在露天中,速凍效果好,省電還環保。
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