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What is MnO2?MnO2 is the chemical abbreviation of manganese dioxide. Manganese dioxide is an amphoteric oxide, an extremely stable black grainy solid at space temperature level and can be used as a depolarizer for completely dry batteries. Physical h…
Russian President says if the European Union imposes an oil embargo, Europe will buy energy at the most expensive price and economic activity in Europe will weaken. Rosneft needs to change its business model. Russia will help facilitate settlement an…
Guotai Junan released a research report saying that under the background of carbon neutrality, the scarcity of coal mines is prominent, and the value of assets will continue to increase. The high point of capital expenditure in the coal industry appe…
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