On rapid solidification and multiscale modeling in metal additive manufacturing: A review

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化屋村原名“化屋基”,意为“悬崖下的村寨”,曾是一个被险峻山崖隔绝的偏远贫困山村。党的十八大以来,在精准脱贫政策推动下,化屋村迎来跨越式发展,2019年底贫困人口清零,苗寨旧貌换新颜。

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Donald Trump has spent much of his second term at war with science and scientists. He is cutting staff at institutions such as the Environmental Protection Agency (EPA) by a third, and has cancelled or frozen up to 8,000 federal research grants. This hasn’t just hurt individual research programmes, it has damaged America’s credibility as a reliable partner in the scientific community. It is not surprising that many researchers – one poll last year by the journal Nature gave the number of 75% – say they are considering leaving the US entirely.