China accounts for 51% of global annual coal production.The largest coal field in the United States is the Appalachian coalfield, which produces the most coal, covering an area of 180,000 square kilometers and a thickness of 900 meters.…
At its annual conference on Thursday, Facebook is expected to unveil more details about its vision for the future of virtual and augmented reality. The social media giant is betting big on what it calls the metaverse, a virtual space where p…
At its annual developer conference on Tuesday, Samsung detailed the upcoming One UI 4 software update and outlined its strategy for the smart home, Tizen TV and Bixby voice assistant.The new smartphone software has been available in beta sin…
Aluminum nitride is a kind of refractory composite ceramic material with hexagonal wurtzite structure. Pure aluminum nitride is blue-white, and aluminum nitride ceramic is usually gray or white. Aluminum nitride is stable at high temperature in inert…
U.S. refiners forecast strong first-quarter earnings as margins on gasoline and diesel sales improved, refining capacity fell sharply and crude supplies tightened due to the Russia-Ukraine war.Global refining capacity has declined amid the coronaviru…
What is Titanium diboride ? Titanium diboride (TiB2) is an extremely hard ceramic which has excellent heat conductivity, oxidation stability and wear resistance. TiB2 is also a reasonable electrical conductor,so it can be used as a cathode…
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