The target atom or ion may be excited to infinite bound states, auto-ionizing states and adjoint continuum states which can be treated in an unified manner by Multichannel Quantum Defect Theory.

电子碰撞过程可将靶原子或离子激发至无数的束缚态、自电离态和对应的连续态，多通道量子数亏损理论能够统一地处理这些激发态。

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An organic coordination (complexing) compound in which the metal ion is bound to atoms of nonmetals, e. g. nitrogen, carbon, or oxygen, to form a heterocyclic ring having coordinate covalent bonds.

一种配位(络合)化合物，其中的金属离子与氮、碳或氧等非金属原子结合生成有配位共价键的杂环。

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Because if it was a neurotransmitter activated ion channel, what would happen when the neurotransmitter bound here?

因为假如这是一个,神经递质激活的离子通道,当神经递质结合于此的时候,会发生些什么呢

耶鲁公开课 - 生物医学工程探索课程节选

Pitch it to a less savvy segment and the Ion is bound to simply become a smartphone as currently defined -- great for messaging, photos and social networking.

ENGADGET: Sony Xperia Ion review: an Android handset with a split personality