Alkali-free Concrete Additives Liquid Concrete Accelerator

Alkali-free concrete accelerator is a new generation, environmentally-friendly, chlorine-free and alkali-free liquid accelerator developed by using a new synthetic technology of inorganic and organic materials. It can significantly promote water and…

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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.…

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Small structures: low loading Pt nanoclusters anchored on graphene hollow spheres for efficient hydrogen evolution

hydrogen is an important renewable energy with high calorific value zero pollution. Hydrogen production by electrocatalytic decomposition of water is one of the main methods to produce H2. In the process of water cracking suitable catalysts…

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Is stearic acid harmful to the body?

Stearic acid, namely octadecanoic acid, has a simple structural formula: CH3(CH2)16COOH, which is produced by the crystallization of fats and oils and is mainly used for the production of stearates. Each gram is dissolved in 21ml ethanol, 5m…

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