CEO of Pfizer partner BioNTech says coming winter will be hard but by April, 300 million immunization units should be ready, which will have an impact on the global pandemic.If coronavirus vaccination…
As of March 23, a total of 1306 cases of new coronary pneumonia have been confirmed in Malaysia. With the rapid increase in confirmed cases, the government implemented a "Movement Control Order," which lasted 14 days, from March 18 to 31. E...…
The chemical formula of silicon hexaboride is SiB6, which is a shiny black-gray powder with a relative density of 3.0g/cm3 and a melting point of 2200°C.…