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《港式速遞》- 創意學堂:液氮 *理是力場

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液氮
氮的沸點為零下196度,怎樣令一朵菊花變成脆卜卜的菊花碎片呢?湯博士說明因物理現象產生的氣體,可短時間內保護皮膚免被液氮凍傷。
Category
문화 - Culture
Tags
凍傷, 氮的沸點, 液氮
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