s****9
发帖数: 2226 | 1 看电视报道哈尔滨冰雪节上人们在-27度的严寒下冬泳，突然想到：-27度水为什么不结
冰？难道在水中加了防凝剂？（镜头拍到岸上人体表面的水都结冰了） | k**e
发帖数: 2728 | 2 man, that needs some knowledge of thermodynamics..
but just keep in mind that running water or the major part of water body not
easy to be frozen, just because stay at -27 for a few days... you need long
er time than that to be able to freeze up every single drop of water in that
big water reservoir.
【在 s****9 的大作中提到】
: 看电视报道哈尔滨冰雪节上人们在-27度的严寒下冬泳，突然想到：-27度水为什么不结
: 冰？难道在水中加了防凝剂？（镜头拍到岸上人体表面的水都结冰了）
| e*******e
发帖数: 9616 | 3 You can dig a pool on ice too. There are water right underneath the ice.
Actually ice fishing is quite a popular sport here in USA.
not
long
that
【在 k**e 的大作中提到】
: man, that needs some knowledge of thermodynamics..
: but just keep in mind that running water or the major part of water body not
: easy to be frozen, just because stay at -27 for a few days... you need long
: er time than that to be able to freeze up every single drop of water in that
: big water reservoir.
|
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