啤酒是盛夏时节大众的首选饮料,除解暑开胃之外,就营养成分而言,人们还称它为“液体面包”。啤酒中还含有很丰富的“精神营养”,我们喝啤酒时等于同时学到了一杯杯的“啤酒科学”。 啤酒云 打开从冰箱里取出的啤酒时会听到“哧”的一声,同时冒出一股白烟,这就是“啤酒云”。其实所谓啤酒云亦非云,原来,啤酒里的二氧化碳是经压力溶入的,里面的压力可达2～3千克/cm~2,打开瓶盖时液面上下的平衡被破坏,瓶颈处的气体立即 Beer is the most popular drink during the summer season, in addition to appetizers, in terms of nutrients, people also call it “liquid bread.” Beer also contains a wealth of “spiritual nutrition”, when we drink beer is equivalent to a glass of “beer science.” The beer cloud will hear “哧” as it opens the beer it takes out of the fridge, and at the same time it emits white smoke. This is the “beer cloud.” In fact, the so-called beer cloud is not a cloud, the original, the beer is dissolved in the pressure of carbon dioxide, the pressure inside up to 2 to 3 kg / cm ~ 2, open the cap when the liquid level up and down the balance is destroyed, the bottleneck Gas immediately