The high price of precious metals in recent years has prompted the widespread use of ultra-fine nickel powder and copper powder in internal electrodes and terminal electrodes of multilayer chip ceramic capacitors (MLCC). However, the use of nickel powder as the internal electrode material has the problems of partial oxidation of the nickel powder and […]

Zinc oxide (ZnO) is an effective sunscreen with a wide range of uses. In addition to being a sunscreen ingredient, it is also contained in gardenia cream, which has the effects of astringent wounds and accelerated healing. However, the medical profession has not yet determined whether the use of nano zinc oxide particles in sunscreens