Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c…
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.…
Now China has become a powerful country in science and technology, but do you know how powerful China's technology is? The manned space station alone is not enough, and now it has successfully broken through the key technology of nuclear fusion, even…
On August 30, thechemical raw materials sector rose by 2% At 9:38 on August 30,the chemical raw material sector index reported 23240.54 points, an increase of2%, with a turnover of 10.095 billion yuan and a turnover rate of 0.87%. Among the stocks in…
The global economy in the post-epidemic era is recovering upwards, coupled with loose global monetary and fiscal policies, leading to an overall increase in global commodity prices, including steel. Although the prices of raw materials such as iron o…