The average positron lifetimes was explained by a proposed model, in which the shifting of Fermi-level affects the defect ionization and consequent positron trapping at defects site.

建立了一种用于解释正电子寿命谱测量结果的模型，该模型中费米能级位置的改变可影响缺陷的电离以及正电子在缺陷位置的被捕获。

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Most of the stories erroneously cited a WWD story as the source of this revelation (representatives from the publication confirm that no such piece exists), probably because of a New York Post item that initially linked to WWD before shifting its attribution to another site.

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The Goodwin Sands are a series of shifting sandbanks, 11 miles long and six miles wide, that are also the site of historic shipwrecks.

BBC: Fourth South East England hub airport proposal unveiled

There's been concerns that SoundCloud is shifting its attention too quickly toward listeners at the expense of the creators that gave the site its roots.

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