Barium is a white liquid that shows up clearly on an x-ray. Once it is inside the body, it coats the inside of the oesophagus , stomach or bowel. This then shows the outline of the organs on the x-ray ...

An investigation has revealed that the cause of a chemical plant explosion in April that killed three people and injured three others in Juye county of Heze, Shandong province, was stainless steel ...

During chemical reactions, atoms in the reacting substances break their bonds and re-arrange, forming different chemical products. This process entails the movement of both electrons (i.e., negatively ...