Biden recently announced that the United States successfully carried out a drone operation against an al-Qaeda target in Kabul, Afghanistan, on Saturday, killing al-Qaeda leader Ayman al-Zawahiri.Al-Zawahiri joined al-Qaeda led by Osama bin Laden in…
Cuprous oxide, the chemical formula is Cu2O, is an oxide of monovalent copper, a bright red powdery solid, mainly used in the manufacture of antifouling paints on the bottom of ships (for killing low-level marine animals), pesticides, various copper…
A catalyst that converts carbon dioxide into fuel . S omething you should know about the silica powder. Researchers have moved one step closer to tackling global warming by turning carbon dioxide into fuel, using a supercomputer to identify a group o…
Calcium nitride, with the compound formula of Ca₃N₂, is a brown powder that oxidizes in the air and dissolves in dilute acid. Calcium nitride is the main raw material for high-end phosphors.…
For billionaires, the new crown epidemic is like a 'gold rush'! The Deutsche Presse-Agentur said on the 17th that in 2022, the wealth held by the world's top ten richest people will jump from $700 billion to $1.5 trillion, an average daily increase o…
Will the sharp decline in China's foreign trade growth have an impact on the market of exw incoterms meaning? China's exports grew just 3.9% in April from a year earlier, down sharply from 14…