Analysis of the causes of concrete slump loss

Whether the cement used and the pumping agent are matched and adapted must be obtained through the adaptability test. The optimum amount of the pumping agent should be determined through the adaptability test with the cement cementitious material.…

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Gold nanoparticles properties

Gold nanoparticles or AuNPs are only a fraction of the size of human hair and are less than 100 nm in diameter.…

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How to choose lithium battery?

Lithium-ion batteries​ are divided into liquid lithium-ion batteries and polymer lithium-ion batteries. The electrolyte of lithium-ion batteries is fluid, so they are more unstable than lithium-polymer batteries, and they may explode if they are beat…

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