Hexagonal BN can be prepared as fibers, structurally similar to carbon fibers, sometimes called "white carbon fiber." They can be prepared by the thermal decomposition of extruded borazine fibers by adding boron oxide in nitrogen at 1800 °C. The mate...…
What is hafnium caride? Hafnium carbonide (HfC), is a chemical compound made of hafnium, carbon. It is one of most refractory binary substances known, with a melting temperature of 3900degC. Its oxidation resistance is low and it oxidizes at tempera...…
Many substances with different chemical and physical properties, from diamonds to graphite, are made up of carbon atoms. Amorphous forms of solid carbon do not have a fixed crystal structure and consist of structural units--nanosized graphe…
The world's coal bosses and oil barons are among the biggest winners in 2022, as the fortunes of many tech giants have tumbled in the U.S. stock market. India's most powerful coal boss, Gautam Adani, has a net worth of $146.8 billion, pushing him pas…
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