First-principles study of the polar MgO(111)/Al(111) Interface: Adhesion, stability, and electronic structure

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Their premature departure left Chris Williams, who arrived on a Russian Soyuz spacecraft in November 2025, as the only American astronaut at the station for a month until Crew-12 arrived on Feb. 14.

In a letter to Environment Secretary Emma Reynolds, he warned of "ecological catastrophe" if such waterways were not protected.

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"There'd be just less competition," says Tom Harrington, a TV analyst from Enders. "The ability there would be to charge a bit more."

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需要元素值:栈存值,或答案存索引后用 nums[res[i]] 取值。