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Production of graphene powder Graphene is a single-atom thick sheet of carbon that is extremely durable. Its hexagonally-connected carbon atoms provide it with strength and a very thin, lightweight form. This material is becoming the preferred choice…
Although hydrogen fuel is a promising alternative to fossil fuels, the catalyst it relies on for power generation is mainly composed of rare and expensive metal platinum, which limits the wide commercialization of hydrogen fuel.…
How serious are fertility problems today? People don't want to give birth,can't afford it, and can't give birth that has become the "three mountains". The problem of childbirth is related to the people's livelihood. Whether a country can prosper or n…
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