下雪冷還是融雪冷 - 溫哥華

By Margaret
at 2007-12-10T03:22
at 2007-12-10T03:22
Table of Contents
以前常聽人家說
下雪的時候比融雪的時候冷
這論點是基於融雪時雪會吸熱,水結冰的時候會放熱
所以融雪時比較冷
這個觀念我想大家都能理解
可是
融雪的時候一定是週遭環境高於零度才會融雪
所以最低不低於零度
反之下雪則是在零度以下
那怎麼會說融雪時會比下雪時冷呢?
還是有其他的原因呢?
--
下雪的時候比融雪的時候冷
這論點是基於融雪時雪會吸熱,水結冰的時候會放熱
所以融雪時比較冷
這個觀念我想大家都能理解
可是
融雪的時候一定是週遭環境高於零度才會融雪
所以最低不低於零度
反之下雪則是在零度以下
那怎麼會說融雪時會比下雪時冷呢?
還是有其他的原因呢?
--
Tags:
溫哥華
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