Ionized by energetic starlight, a hydrogen atom emits the characteristic red H-alpha light as its single electron is recaptured and transitions to lower energy states.
氢原子被高能的恒星光离子化之后，在它的单个电子重新被捕获并跃迁到低能级上时会放出典型的红色h - alpha光。
One can picture this single electron spin caught on the nanotube as an artificial atom, " says researcher from University of Copenhagen and participant in the study, Jonas Hauptmann.
人们也可以把被碳纳米管捕捉的单电子自旋当成一个人造的原子。”哥本哈根大学研究员，这项研究的参与者，Jonas Hauptmann说。
Such ultra-precise clocks are based on the quick vibrations of a single aluminum ion, an atom that has lost one electron, held in a vacuum and confined by electromagnetic fields.
如此极其精确的时钟是建立在单一铝离子的快速振动，铝离子就是包含在真空中受电磁场约束的失去一个电子的原子。
Such ultra-precise clocks are based on the quick vibrations of a single aluminum ion, an atom that has lost one electron, held in a vacuum and confined by electromagnetic fields.
如此极其精确的时钟是建立在单一铝离子的快速振动，铝离子就是包含在真空中受电磁场约束的失去一个电子的原子。
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