在我国的古代神话传说中,有一个太上老君的故事,他专门在天上炼丹制药,谁要是服用了他的丹药,就可以强身健体、益寿延年。这个故事寄托了古人的一种美好愿望。然而,在科学技术日益发展的今天,到天上去生产在地面无法生产的特殊药品,已经不是一个梦想。科学研究表明,在太空失重的条件下,液体中会含有大量的汽泡,微生物也不会沉淀。这样,就会使微生物的死亡数量减少,培养出来的微生物的数量 In our country’s ancient myths and legends, there is a story of Taishang Laojun. He specializes in alchemy in the heavens. Whoever takes his immortality can strengthen his health and enjoy longevity. This story placed a good wish of the ancients. However, with the ever-growing science and technology, it is no longer a dream to go to heaven to produce special medicines that cannot be produced on the ground. Scientific research shows that under conditions of weightlessness in space, liquids will contain large amounts of bubbles, and microorganisms will not precipitate. In this way, the number of deaths of microorganisms will be reduced and the number of microorganisms cultivated