Russia's insistence on paying for Russian gas in rubles has rattled European countries: Greece held an emergency meeting of suppliers, the Dutch government would urge consumers to use less gas, and the French energy regulator told consumers not to pa…
What is Silicon dioxide?Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula SiO2, most commonly found in nature as quartz. In many parts of the world, silica is the principal constituent of sand. Silica is one of t...…
At present, boron carbide ceramics are widely used in ceramic armor materials. Compared with other bulletproof materials, B4C ceramics are lighter and more difficult.…
PNNL researchers accelerate COVID-19 drug discovery using advanced molecular modeling and data science.It typically takes many years of experiments to develop a new medicine. Although vaccines to protect against disease from the novel co…
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