Ultra-high stability nanocrystals have been found that rapid heating can significantly improve the thermal stability of Cu nanocrystals

Nano metals have poor stability due to the introduction of a large number of grain boundaries. Generally speaking, the growth temperature of nanocrystalline grains is much lower than the recrystallization temperature of coarse crystals, and some nano…

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Why is SiO2 not amphoteric oxide

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Manganese oxide minerals have been used for thousands of years

Manganese oxide minerals have been used for thousands of years—by the ancients for pigments and to clarify glass, and today as ores of Mn metal, catalysts, and battery material. More than 30 Mn oxide minerals occur in various geological settings. The...…

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Apple AirPods Pro 2 Rumors:2022 release date, new design, and everything we've heard

Apple hasnt updated AirPods Pro since they were released in 2019. Aside from the addition of a Magsafe-compatible case in 2021, the wireless headphones remain largely unchanged, with non-launch prices of $249, 239, and A $399.According to so…

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