medium-frequency furnace

См. также в других словарях:

• Induction furnace — An induction furnace is an electrical furnace in which the heat is applied by induction heating of a conductive medium (usually a metal) in a crucible placed in a water cooled alternating current solenoid coil. The advantage of the induction… …   Wikipedia

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

• Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… …   Wikipedia

• Edgar Allen and Company — was a steel maker and engineer, which from the late 19th century was based at Imperial Steel Works, Tinsley, Sheffield, South Yorkshire. The site was bounded by Sheffield Road, Vulcan Road and the Sheffield District Railway to which it was… …   Wikipedia

• Hadfields Limited — Hadfield s Limited was founded as Hadfields Steel Foundry Co. Ltd. , by leading metallugist Robert Abbott Hadfield in 1888 following the death of his father, Robert Hadfield, who had founded the works in 1872. The works were known as Hecla Works …   Wikipedia

• Jessop Saville & Company — The Sheffield based special steel makers Jessop Saville and Company was founded in 1929 [The Economist, 11th May,1929] following a merger of J.J.Saville and Co., Limited and William Jessop and Company, both of these being long established in the… …   Wikipedia

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

• Solar thermal energy — Solar thermal system for water heating in Santorini, Greece …   Wikipedia

• Hysteresis — Not to be confused with Hysteria. Fig. 1. Electric displacement field D of a ferroelectric material as the electric field E is first decreased, then increased. The curves form a hysteresis loop. Hysteresis is the dependence of a system not… …   Wikipedia

• ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …   Universalium

• technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …   Universalium