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

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The number of people killed in an attack in South Sudan on Sunday when a group of unidentified men launched an assault in the north of the country has risen to 178, a local official has told the BBC.

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ОАЭ задумались об атаке на Иран20:55

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“多亏智慧农业平台,我们一家能旅游过年了。”今年新春走基层,我原本在四川大邑县一处现代农业园区了解新技术、新设备,种植户的一句感叹让我停下脚步,改变了报道思路。