Calcium hexaboride, a chemical called calcium borate, is mainly synthesized through carbothermal reduction, self-propagation, and other means. A material research institute in China and some universities have certain synthesis research technologies. ...…
A calcium hexaboride-reinforced aluminum matrix composite was prepared. The preparation method uses an aluminum boron master alloy and pure calcium as the sources of elemental boron and calcium. The preparation method is to first melt the aluminum bo...…
Calcium hexaboride is a black solid. Hardness 9. Relative density 2.33, melting point 2373-K. It is stable in the air at high temperatures. Insoluble in hydrochloric acid, hydrofluoric acid, and dilute sulfuric acid. Does not react with water. It can...…
Corallicolids are widely found in corals and are found in 70% of corals in the world, second only to Symbiodiniaceae, and therefore are the core members of the coral microbiome.…
SpaceX apologized to Starlink customers after delaying some bookings, saying a silicon shortage had slowed production of its Internet components. Starlink, a SpaceX subsidiary, told customers who paid a $100 deposit in the first half of the…
OPEC+, an oil producers' alliance led by Saudi Arabia and Russia, stuck to its original plan to increase output by just 432,000 b/d in June, continuing to defy calls from major consumers led by the United States to pump more oil to keep prices down.…
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