地球海水的 D/H为1.56×10-4,根据哈雷彗星(Halley)、百武彗星(Hyakutake)和海尔波普彗星(Hale-Bopp)等彗星的D/H比,发现彗星水的D/H比是地球海水D/H比的2倍多。
基于12个网页-相关网页
They found deuterium at higher levels than it's found in Earth water-but at levels similar to the comets Hale-Bopp, Hyakutake and Halley.
数据显示月球水比地球水包含更多的重氢元素,并与海尔·波普彗星、百武彗星及哈雷彗星更为接近。
They found deuterium at higher levels than it's found in Earth water —but at levels similar to the comets Hale-Bopp, Hyakutake and Halley.
他们发现,同地球上的水相比,氘的含量更高——但同海尔·波普彗星、哈库塔克彗星和哈雷上的水有着相似的平。
They found deuterium at higher levels than it's found in Earth water - but at levels similar to the comets Hale-Bopp, Hyakutake and Halley.
他们发现,同地球上的水相比,氘的含量更高——但同海尔·波普彗星、哈库塔克彗星和哈雷上的水有着相似的平。
应用推荐