In the field of materials, biological activity mainly refers to the characteristics that can induce special biological and chemical reactions at the interface between materials ...
Apr 20, 2022
Atomic cluster compounds have special catalytic activity, biological activity and electrical conductivity. In-depth research on cluster compounds will play an important role in ...
chemical crosslinking Triazole dimercaptoamine salt (FSH) is used for cross-linking. The cross-linking mechanism is that amine and sulfhydryl combine to attack carbon-chlorine p...
Apr 19, 2022
Radiation Crosslinking High-energy rays are used, generally the rays generated by cobalt 60 radiation sources or the electron rays generated by electron acceleration, and the la...
Solid propellant is a kind of energy-containing composite material with specific properties. It is the power source of various solid motors of missiles and space vehicles. It is...
Apr 18, 2022
Elongation refers to the ratio of the absolute elongation to the original length during the drawing process of the metal wire, expressed by λ. When the degree of deformation is ...
Orbital period refers to the time it takes for a planet (or other celestial body) to go around its orbit once. The stars orbiting the sun have many different orbital periods.
Apr 15, 2022
The orbital plane is the geometrical plane into which the orbit of one celestial body is embedded as it orbits another. As long as there are three points in space that are not o...
Microbial fermentation refers to the process of using microorganisms to convert raw materials into products required by humans through specific metabolic pathways under suitable...
Apr 14, 2022
Microbial flocculants are a kind of metabolites produced by microorganisms or their secretions. They are obtained by fermentation, extraction and refining of microorganisms such...
Impact Strength is an index to measure the toughness of a material, usually defined as the energy absorbed by a unit cross-sectional area when a sample is broken or fractured un...
Apr 13, 2022
Polyoxymethylene is a thermoplastic resin and an important engineering plastic. It is prepared by catalytic polymerization of trioxane and end-capping, and it can also be prepar...