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微波炉加热时爆响(呯嗙,噼啪作响)

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现象:
微波炉加热肥肉等油脂含量高的食物时,出现爆响(或者说呯嗙,噼啪作响),和水掉进油锅的声音类似。

原因:
这是由于肥肉等食物中含有大量的油脂,而油脂的沸点要比水的沸点高很多,在用微波炉加热的时候,根据前面讲的微波炉的原理,我们可以知道,微波炉是通过微波先加热水分子,之后通过热量传递,继而达到加热食物的目的。而油脂分子固有频率和水分子的相近,也比较容易受热。在肥肉等食物中,肉皮和肥肉细胞比较大,且密封性能较好。从而导致被油脂分子包裹的水分子达到沸点100度时而不能汽化,当继续加热时,油脂也被加热,束缚力减小,这些水最终会逃离束缚,体积瞬间增加上千倍,从而发生爆响。

了解了上述原因后,我们就可以知道微波炉加热肉皮肥肉的时候发生爆响并不影响微波炉的使用:) -- EOF-TRUEVUE --