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Using this method, as well as soft pole pieces within the design, 4.5 T in a working volume of 20 mm 3 was achieved, [26] and this was increased further to 5 T in 2002, [27] although over a smaller working volume of 0.05 mm 3. As hard materials are temperature-dependent, refrigeration of the entire magnet array can increase the field within the ...
The usual nomenclature of ammunition indicates the diameter of projectile and the length of the cartridge that holds it; for example, 20×102 mm is a 20 mm projectile in a 102 mm long case. Though this designation is often assumed to be unique, this is not always the case, e.g. there are three different 20×110 mm types which are not compatible.
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The plastic material became 1.5 times more magnetic when blue light was shined on it. Green laser light reversed the effect somewhat by decreasing the material's magnetism to 60 percent of its normal level. The plastic magnet was made from a polymer made of tetracyanoethylene (TCNE) combined with manganese (Mn) ions – atoms of the metal ...
Above 585 °C Fe(II)-Fe(III) 2 O 4 transforms into the non-magnetic gamma phase. [6] Fe(II)-Fe(III) 2 O 4 is commonly seen as the black iron(II) oxide coating the surface of cast-iron cookware). The other pattern is M ·Fe(III) 2 O 3 , where M is another metallic element.
Developed independently in 1984 by General Motors and Sumitomo Special Metals, [3] [4] [5] neodymium magnets are the strongest type of permanent magnet available commercially. [1] [6] They have replaced other types of magnets in many applications in modern products that require strong permanent magnets, such as electric motors in cordless tools ...
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3-round detachable box magazine The Anzio 20mm rifle [ 1 ] is an American anti-materiel rifle designed and marketed by Anzio Iron Works. It is the first American anti-materiel rifle designed and mass-produced for public sale with a bore diameter in excess of .50 caliber in over 80 years. [ 2 ]
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