Using acrylamide, methacryloyloxyethyl trimethyl ammonium chloride, and 2-acrylamido-2-methylpropanesulfonic acid as raw materials, an amphoteric ionic self-thickening acid ADAM was prepared. The ...

There is a brand new iPhone operating system software to install on your iPhone (arriving on September 15, 2025). Before you update your iPhone, read on to find out how iOS 26 compares to iOS 19 and ...