• Many,like a young woman who allowed her voice to be recorded in Amharic, charged her loved one's rights had been violated because prison visits by family members and attorneys had been prohibited.

    VOA: standard.2009.05.25

  • - And we can think about why -- essentially we have fluorine and now we're adding another electron. So you can picture that fluorine is going to get larger in this case And that would be true for all of the negatively charged ions.

    我们可以想一想这是为什么-,本质上来讲我们现在给氟原子加上了,另外一个电子,因此大家可以想象在这种情况下氟将变大,而且这对于其它负离子也是成立的。

    麻省理工公开课 - 化学原理课程节选

  • So, by the same logic, that means that all of our positively charged ions are, in fact, going to be smaller in terms of radius, compared to their neutral parents.

    那么,按照相同的逻辑,我们所有的正离子,事实上,它们的半径都会缩小,与它们的中性母体相比。

    麻省理工公开课 - 化学原理课程节选

  • Now, that rapid rise is called depolarization and the membrane is said to be in a depolarized state because it's less polarized or less negatively charged repolarized as negatively charged.

    这个迅速上升过程称为去极化,我们称膜处于去极化状态,因为膜的极化程度降低了,或者说是带的负电减少了,而复极化就代表重新带上负电荷

    耶鲁公开课 - 生物医学工程探索课程节选

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