Production of Graphene Powder Graphene is a one-atom thick sheet of carbon, which is extremely tough. Its hexagonally-connected carbon atoms provide it with strength and a very thin, lightweight form. It is a popular choice for many applications. Thi…
Hasad Foods, the agricultural investment arm of Qatar's sovereign wealth fund, said the government would increase its grain reserves from 250,000 tons to 300,000 tons in the near future, which is enough to feed the population for six months. Wit…
Under the spread of the new crown epidemic, after Americans experienced life and death, they set off the largest "resignation wave" in history, and the number of resignations broke the highest record since statistics began in 2000. Since April this y…