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The 5 micron ultra fine graphite powder

The 5 micron ultra fine graphite powder The 5 micron ultra fine graphite powder has good chemical stability. Specially processed 5 micron ultra fine graphite powder has the characteristics of corrosion resistance, good thermal conductivity, and low p…

Omicron BA.2 subtype variant may cause severe disease and impact on premixed superplasticizer concrete

Omicron BA.2 subtype variant may cause severe disease and impact on premixed superplasticizer concrete The latest research results from the University of Tokyo in Japan show that the new coronavirus Omicron BA.2 subtype variant not only spreads faste…