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Given the relative permeability of a material can vary from around 250 for cobalt to around 5000 for soft iron and 7000 for silicon–iron, the choice of magnetic core can therefore have an important impact upon the strength of a magnetic lock. Also relevant is the choice of current, number of loops and effective length of the electromagnet.
A magnetic mirror, also known as a magnetic trap or sometimes as a pyrotron, is a type of magnetic confinement fusion device used in fusion power to trap high temperature plasma using magnetic fields. The mirror was one of the earliest major approaches to fusion power, along with the stellarator and z-pinch machines.
Three point lock are also commonly used in wardrobes, like from Hettich [6] [7] Single-point locking may provide adequate security for some situations on tiered lockers, as the doors are shorter, and therefore more difficult to force open; however, the taller doors of full length lockers and cabinets are more susceptible to the application of leverage.
One of the ways is magnetic mirror confinement, a concept popular in the 1980s that was recently resurrected, thanks in large part due to recent breakthroughs in high-temperature superconductors ...
Magnetic mirror; M. Mirror Fusion Test Facility; T. Tandem Mirror Experiment This page was last edited on 1 August 2020, at 23:30 (UTC). Text is available under ...
Door casing, door frame, or chambranle – formed by the lintel and the two jambs. Sill (for exterior doors) – A horizontal sill plate below the door that supports the door frame. Similar to a window sill but for a door; Threshold (for exterior doors) – A horizontal plate below the door that bridges the crack between the interior floor and ...
The construction of the chairs features a black beechwood frame with canvas upholstery and saddle leather armrests. Polo Swivel Chair, M Wincrantz Möbelindustri AB, 1967 stylish round chair with ...
Location (e.g., wall safe, floor safe) Smart safes as part of an automated cash handling system; It is often possible to open a safe without access to the key or knowledge of the combination; this activity is known as safe-cracking and is a popular theme in heist films.
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