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Ma gang (Group) Holding Co., Ltd., [3] or known as Masteel Group, is one of the major Chinese iron and steel enterprises. Since 2019, it is a joint venture of central government owned China Baowu Steel Group and Anhui Provincial People's Government's State-owned Assets Supervision and Administration Commission (SASAC).
In 1993, Maanshan Iron & Steel Company Limited was established to list the steel manufacturing assets in the stock exchanges, auxiliary divisions were not listed. [5] The old "Ma'anshan Iron and Steel Company" was renamed to "Magang Holding Company", but remained as the parent and the holding company of the listed company.
An ignition coil is used in the ignition system of a spark-ignition engine to transform the battery voltage to the much higher voltages required to operate the spark plug(s). The spark plugs then use this burst of high-voltage electricity to ignite the air-fuel mixture. The ignition coil is constructed of two sets of coils wound around an iron ...
The main engine of a coiled tubing intervention is the injector head. This component contains the mechanism to push and pull the coil in and out of the hole. An injector head has a curved guide beam on top called a gooseneck which guides the coil into the injector body.
An electromagnetic coil is an electrical conductor such as a wire in the shape of a coil (spiral or helix). [ 1 ] [ 2 ] Electromagnetic coils are used in electrical engineering , in applications where electric currents interact with magnetic fields , in devices such as electric motors , generators , inductors , electromagnets , transformers ...
Orthocyclic winding Orthocyclic wound coil Orthocyclic winding of a round coil Orthocyclic winding of a rectangular motor coil. This type of winding structure creates an optimal fill factor (90.7%) for round wires. The windings of the upper layer need to be placed into the grooves provided by the lower layer.
Hebei Iron and Steel Group Co., Ltd. was established on 30 June 2008 by the merger of Tangshan Iron and Steel Group and Handan Iron and Steel Group of Hebei Province. [4]The company had an indirectly listed subsidiary, Hesteel Company, which was known as Hebei Iron and Steel Company until June 2016.
The coil is wound through the hole in the torus and around the outside. An ideal coil is distributed evenly all around the circumference of the torus. The symmetry of this geometry creates a magnetic field of circular loops inside the core, and the lack of sharp bends will constrain virtually all of the field to the core material.