Magnet
- A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other fer
Magnetic resonance imaging
- Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body.
Magnetic field
- A magnetic field is a vector field that describes the magnetic influence of electric charges in relative motion and magnetized materials.
Magnetism
- Magnetism is a class of physical phenomena that are mediated by magnetic fields. Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts
Magnetometer
- A magnetometer is a device that measures magnetism—the direction, strength, or relative change of a magnetic field at a particular location.
This was an unlikely catch of the day. Three children in Germany fished ammunition from World War II out of a pond over the weekend after using a "strong magnet," according to local police...查看文章
MALVERN -- Landon Stone rushed for three touchdowns as the Panthers (11-1) ran past McCrory (9-3). Stone opened the scoring in the first quarter with a 2-yard run, before breaking out for a..查看文章
Lubbock ISD is planning to make major changes to Smylie Wilson Middle School — closing it and opening the district’s first project-based learning STEAM magnet school, under a different name...查看文章
New York, Nov. 15, 2019 (GLOBE NEWSWIRE) -- Reportlinker.com announces the release of the report "Global Permanent Magnet Motor Industry" - https://www.reportlinker.com/p05799339/?utm_source..查看文章
Police and ambulance crews were dispatched Tuesday morning to the former Thomas Ford Magnet School in Reading for reports of a fistfight in the building that resulted in a security guard bei..查看文章
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