As the European Union tries to reduce its dependence on Russian energy, the Russian president recently said Russia would try to shift its energy exports to the east, adding that there was no way for European countries to give up Russian gas immediate…
Manganese dioxide is black amorphous powder or black rhombic crystal. It is used as a depolarizer for dry batteries, as a catalyst and oxidant in the synthesis industry, as a colorant, decolorizer and iron remover in the glass industry and enamel ind…
Manganese oxide is an inorganic compound with the molecular formula of manganese dioxide. This black or brown solid naturally exists as the mineral pyrolusite, which is the main ore of manganese and a component of manganese nodules.…
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 t…