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Invitation to Bid for Waste Materials2024.10.29

Unexpected price book2024.10.29

Guangdong Jinyan Magnetoelectronic Technology Co., Ltd. R…2024.01.03

Bidding Announcement for the Investment and Development S…2023.12.13

How to define the performance of magnets?2023.03.01

Residual Br: After the permanent magnet is magnetized to the technical saturation and the external magnetic field is removed, the retained Br is called the residual magnetic induction strength.

Why do magnets have magnetism?2023.03.01

Matter is mostly composed of molecules, molecules are composed of atoms, and atoms are composed of atomic nuclei and electrons. Inside the atom, the electron rotates continuously and revolves around the nucleus. These two motions of the electron will produce magnetism.

What are the production processes of ferrite magnetic til…2023.03.01

What are the production processes of ferrite magnetic tile?

Documentation on magnets2023.03.01

① There are similar records in other ancient books, such as the Classic of Mountains and Seas. The iron-absorbing property of magnets has been discovered for a long time. The nine volumes of the Mastery of Lu's Spring and Autumn Annals contain: "Mercy attracts iron, or lead it." At that time, people called "magnetism" as "mercy".

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