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Null field. Dielectric material. Triboelelectric materials and Effect+tio2 NPS+Dielectric. Triboelelectric nanogenertator + Dielectric materials and Effect +tio2 NPS+. Material passing.
Dielectric material. Triboelelectric materials and Effect+tio2 NPS+Dielectric. Triboelelectric nanogenertator + Dielectric materials and Effect +tio2 NPS+. Material passing.