Guotai Junan released a research report saying that under the background of carbon neutrality, the scarcity of coal mines is prominent, and the value of assets will continue to increase. The high point of capital expenditure in the coal industry appe…
Oil futures tumbled more than $5 a barrel on news that the Biden administration is considering releasing about 1 million barrels a day from the U.S. Strategic Petroleum Reserve (SPR) for several months to cool surging crude prices.Brent crude futures…
Swiss Federal Material Science Laboratory found spirulina coated with semiconducting compound can purify water and produce bio-fuel.…
ceramic bearings can work in an environment where the temperature difference changes more violently. These advantages allow ceramic materials to replace metal materials.…
3D printing technology is a technology based on digital model files, using powdery metal or plastics and other adhesive materials to construct objects by layer-by-layer printing.…
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