The highly purified and uniform Cu-Ag alloy nanoplates, which present a size of 700*500*70 nm, were used as filler to prepare the conductive adhesive in epoxy resin system. After heat-treatment at 170 ...

Its brush head’s bristle pattern hugs tooth surfaces to deep clean nooks and crannies, plus the green bristles gradually fade to yellow, telling you it’s time for a replacement. New Waterpik ...