Enhanced oxygen evolution activity in NiFe layered double hydroxides via Ce doping and oxygen vacancy engineering

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春节长假已经结束,对于家住四线城市农村的阿武(化名)来说,这个春节除了比以往的春节假期长之外,另一大不同就是,村子里停着的电车更多了。

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三是影响老年人向AI提问和信任AI的因素更复杂。

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