NF3 has a relatively short atmospheric lifetime (740 years) and dissociates more readily than C2F6 and CF4. HF ultimately diffuses down to the troposphere where it is removed by wet deposition.

NF3具有相对短的大气寿命（740年），比C2F6和CF4。更容易分解。HF最终扩散到大气中，在大气中它通过湿沉积被除去。

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Chlorine atoms can reduce the lifetime of atmospheric mercury gas, as well as greenhouse gases such as methane.

氯原子可以减少大气中汞气体以及温室气体如甲烷的寿命。

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The research progress of the aeronautical Perspex aging is presented including aging properties, experimental method, and atmospheric aging lifetime.

介绍了航空有机玻璃老化的研究现状，包括老化性能研究、实验方法研究和老化寿命研究。

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The National Oceanic and Atmospheric Administration (NOAA) is getting the political beat down of a lifetime for attempting to hire a magician to perform at a staff team-building event.

FORBES: Why Federal Agencies Should Hire Magicians (But Not Clowns or Mind Readers)