Search Results for: Colour video monitor cathode ray tubes
oxide coating in air. unlike many metal oxide layers, this one does not protect the metal from further oxidation. has two allotropic forms, transforming from hexagonal to body-centred cubic above k ( °c). usually exists as a trivalent ion, nd +, in its compounds. most of its salts are pale purple in colour
used with iron and boron to create powerful permanent magnets, also called nib magnets. they are used in computers, cell phones, medical equipment, toys, motors, wind turbines and audio systems. in nickel metal hydride (nimh) rechargeable batteries for hybrid automobiles. the negative electrode (cathode...
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