Tool steel is the steel used to manufacture cutting tools, measuring tools, dies and wear-resistant tools. Tool steel has high hardness and can maintain high hardness and red hardn
Aug 05, 2022
nuclear magneton Since the nucleus carries an electric charge, when the nucleus spins, a magnetic moment is generated by the spin. This magnetic moment is in the same direction as
Aug 04, 2022
The atomic magnetic moment is the effective part of the sum of the various magnetic moments inside the atom. The magnetic moment of the atom is the source of the magnetism of the m
Ferromagnetic substances can be magnetized to saturation as long as they are under the action of a small magnetic field. Not only the magnetic susceptibility is >0, but also the
Aug 03, 2022
The Fokker effect refers to the phenomenon that the polarization plane rotates when the linearly polarized light is incident on the surface of the magnetized medium and reflected o
Lactone refers to an organic substance that contains both a carboxyl group and a hydroxyl group in the same molecule, and the two are dehydrated. Lactone is formed by the dehydrati
Jul 28, 2022
Acetal is the condensation product of one molecule of aldehyde and two molecules of alcohol, such as acetaldehyde diethyl acetal, the boiling point is 104 ℃; the boiling point of b
Polycyclic aromatic hydrocarbons, also known as polycyclic aromatic hydrocarbons, are yellow flake or needle-like crystals precipitated from light petroleum, with pale green fluore
Cyclic compounds are divided into carbocyclic compounds and heterocyclic compounds. A cyclic compound refers to a compound in which the atoms in the molecule are arranged in a ring
Ring-opening polymerization refers to the reaction in which cyclic compound monomers are converted into linear polymers through ring-opening addition.
Engineering plastics can be divided into general engineering plastics and special engineering plastics. The former main varieties are polyamide, polycarbonate, polyoxymethylene, mo
Ethyl chloride is an organic compound with the chemical formula C2H5Cl. It is a colorless gas at room temperature and pressure with an ether-like odor. It is slightly soluble in wa
Jul 31, 2022
