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很久以来,在科普小说中就曾幻想有这样一种食品,人们只要吞服做成象药丸那么大小的三颗,就可以一个月不进食。随着航天事业的发展,现在,人们梦想的这种食品正在成为现实。宇宙空间是一个特殊的环境,为了适应在这种状态下工作和生活,就要求科学家研制出体积小、富于营养的宇宙食品。今天,宇航员在宇宙中的主食是流食,这些食品除了包含人体所必需的蛋白质、碳水化合物、脂肪外,还含有矿物质、维生素A、B_1、B_2、C、D、E等,使人体营养得到充分的平衡。
For a long time, there was a fantasy in popular science novels that people would not eat for a month by swallowing three pills of the size of a pill. With the development of the aerospace industry, people nowadays dream of this food is becoming a reality. Cosmic space is a special environment, in order to adapt to work and life in this state, requires scientists to develop small, nutritious food universe. Today, astronauts staple food in the universe is a fluid food, in addition to the human body contains essential proteins, carbohydrates, fat, but also minerals, vitamins A, B_1, B_2, C, D, E, etc., so that human nutrition Get full balance.