航天员在空间站工作时呼吸的氧气通常从哪来 宇航员在太空的氧气怎么来英文双语对照

1、首先需要让宇航员在太空中生活工作（空间站），除了长期维持必要的生存环境、物质、水等，空间站里的氧气也是必须要考虑在内的生存因素。如果光是靠存储氧气来实现空间站内部的氧气输送和供应的目的，是非常有限而且困难的，毕竟大量存储氧气就是一大难点和具有一定风险的。因此，目前空间站获取氧气的方式是电解水的方式，即利用电能将水分解，电解水能够产生氢气和氧气，其产生的氧气就用于宇航员在空间站内的呼吸用，而氢气则会当废弃排出。而空间站里的电能又是取之于太阳能电池板，所以用于电解水的电能的来源取之不尽。

2、其次，空间站的水除了用于电解出氧气之外，航天员也是需要补充水分的，因此，水的来源和利用问题也是需要考虑在内的，毕竟，空间站上的存储水的空间也是有限的，除了定期的依靠地面的供给（货运飞船等运输），还有就是实现站内的废水回收和循环利用，达到站内除了制造氧气真正消耗水之外，大部分水是处于不断循环状态的，因此，加上地面定期对空间站的补给外，空间站内的氧气供应可以说是源源不断的，用不完。

3、宇航员在船舱外的作业所穿的宇航服为了满足宇航员呼吸需要的氧气，则就是靠的是宇航服里的生命维持系统的氧气罐和氧气循环扇等实现宇航服内宇航员的氧气需求。

1, need to let astronaut work in the life in aerospace above all (the space stands) , besides maintain for a long time live necessarily environment, material, water, the oxygen in dimensional station also is to must want those who consider inside to live element. The purpose that if light is to rely on to store oxygen will realize a space,the oxygen of station interior is carried and supplies, it is special finite and difficult, one catastrophe is nodded and oxygen of many after all memory has particular risk. Accordingly, the way that at present dimensional station gets oxygen is to electroanalysis the means of water, use electric energy to interpret moisture content namely, electroanalysis water can arise hydric with oxygen, the oxygen that its produce is used at astronaut in the breath inside dimensional station, and hydric can become deserted eduction. And the electric energy in dimensional station is extraction Yu Taiyang can cell panel, use at electroanalysising so what the origin of the electric energy of water takes is endless.

2, next, the water that the space stands besides use at electroanalysising to give oxygen besides, the spacefarer also needs compensatory moisture, accordingly, the origin of water and using an issue also need a consideration inside, after all, the space of the memory water on dimensional station also is finite, the supply that relies on the ground besides periodic (freight airship carry) , still have even if use circularly, achieve water is wasted truly besides production oxygen inside the station besides, major water is in ceaseless loop condition, accordingly, outside increasing the provision that the ground stands to the space regularly, the oxygen inside dimensional station is supplied can saying is in a steady stream is constant, exhaustless.

3, the space navigation that astronaut wears in the work place outside cabin takes the oxygen that breathes need to satisfy astronaut, what lean namely is the implementation space navigation such as the aerobic pot that space navigation takes the life in to maintain a system and aerobic loop fan is taken inside the aerobic demand of astronaut.