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Molecular Sieve 13X (alkali metal silicon aluminate) is a particular type. Its effective aperture in sodium salt forms is 10 angstrom. However, it can adsorb molecules that are smaller than 10 to 10 angstrom. It is suitable for use as catalyst carrie…
The emergency rescue department of Berlin, Germany, reported that the world's largest independent cylinder aquarium burst on the 16th local time and about 1 million liters of water mixed with debris poured onto the busy street. The report quoted the…
The cement foaming agent is the key to the quality of foamed concrete. A good cement foaming agent can be made into high-quality foamed concrete.…
Nanomaterials are widely used in cosmetics because of their unique optical, thermal and electromagnetic properties.…