Jumble of nanoparticlesThe heap of nanoparticles can be split right into two types: soft load and difficult pile. Soft jumble is mainly triggered by the electrostatic force between fragments and van der Waals force. Due to the weak pressure, soft clu…
After the iron ore and coal sectors have strengthened the day before, it is the turn of another branch of the steel sector in the "procyclical" today. After three weeks of adjustment, the steel sector rebounded today, with the sector rising...…
Foamed concrete is also called foamed cement, lightweight concrete, etc. Foamed concrete is a concrete product formed by introducing air or nitrogen, carbon dioxide, oxygen and other gases into the concrete slurry with a large number of small closed…
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