Russian president demanded that exports of Russian gas to "unfriendly" countries be settled in rubles. The demand has raised concerns in Germany about possible supply disruptions and the impact on industry and households if utilities do not pay in ro…
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…
The aquarium is a place for aquatic life display and popular science education, as well as a place for aquatic life resource protection and scientific research. Aquariums can specialize in marine life, freshwater life, or both; there are public aquar…
Calcium lignosulfonate (also known as calcium lignosulfate) is a modified lignin product. It is a yellowish, brown flowing powder that has a mildly aromatic scent. Easy to dissolve in water, hygroscopic (water-soluble) and chemically stable. Lignin c…