1·Because of its lower effective nuclear charge, xenon is more easily oxidized than krypton.
因为氙的有效荷电荷较低，所以氙比氪容易被氧化。
2·First, a range of less-dangerous gases are liberated, including tritium, krypton and xenon.
首先会释放一系列危险性较低的气体，如氚、氪和氙。
3·The krypton and xenon isotope ratios in the gas samples provided a surprising result: They did not match the ratios found in the primordial cloud that spawned the solar system.
气体采样中的氪和氙同位素比值产生了一个令人吃惊的结果：这些比值跟在形成太阳系的原始云团中所发现的比值不一致。
4·Krypton has several stable isotopes, the relative abundances of which can be used to parse the gas's source.
氪气有几个稳定的同位素，并带来相关的大量的可以用于剖析大气来源的数据。
5·Krypton gas will surround its infrared sensors, allowing ice cubes to form that will cool the sensors to hundreds of degrees below zero.
氪气会包围在红外传感器表面，冰块由此形成，能把传感器的温度降低到零下几百度。