type of insulating material
31Asbestos — For other uses, see Asbestos (disambiguation). Fibrous asbestos on muscovite …
32Transformer design — This page deals primarily with the design of electrical transformers. For the definition, function, and history, see Transformer.In electrical engineering, practical transformer design requires knowledge of electrical principles, materials, and… …
33hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… …
34particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …
35Transformer — This article is about the electrical device. For the toy line franchise, see Transformers. For other uses, see Transformer (disambiguation). Pole mounted distribution transformer with center tapped secondary winding. This type of transformer is… …
36Polyester — For the 1981 motion picture, see Polyester (film). SEM picture of a bend in a high surface area polyester fiber with a seven lobed cross section …
37Transformerboard — A Transformerboard is the brand name of a cellulose insulating layer for electrical transformers made popular during the early mid 20th century.Since the need for high voltage electrical transformers, there has been a need for an insulating… …
38Permeation — Permeation, in physics and engineering, is the penetration of a permeate (such as a liquid, gas, or vapor) through a solid, and is related to a material s intrinsic permeability. Permeability is tested by permeation measurement, for example by a… …
39copper processing — Introduction use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… …
40Myelin — Structure of a typical neuron Myelin sheath Dendrite …
