资讯

The US and European countries are planning to phase out the toxic hydrazine fuel used for satellites. Manastu Space has ...
We tested more than 60 oral hygiene products, from toothbrushes and toothpastes to tongue scrapers and mouthwashes. These 11 ...
Stains on clothes are one of those common occurrences that will affect everyone in their lifetime. And if you have children, ...
Metal-free carbon catalysts (MFCCs) are one of the commonly used catalysts for electrocatalytic two-electron oxygen reduction (2e– ORR) synthesis of hydrogen peroxide (H2O2). Oxygen doping is an ...