- lower arc
- 下珥
Atmospheric Sciences (English-Chinese) dictionary. 2014.
lower arc
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Arc welding — uses a welding power supply to create an electric arc between an electrode and the base material to melt the metals at the welding point. They can use either direct (DC) or alternating (AC) current, and consumable or non consumable electrodes.… … Wikipedia
Arc the Lad (series) — Arc the Lad is a series of RPGs that were mainly released for the PlayStation and more recently the PlayStation 2. Most of the games were published by SCEI in Japan. The games never reached the west until Arc the Lad Collection was released, by… … Wikipedia
Arc — may refer to: Computing and gaming*Arc (programming language), a Lisp dialect in development by Paul Graham *.arc, a file extension for archive files *arc, the command line interface for ArcInfo *Arc System Works, a video game… … Wikipedia
Arc elasticity — is the elasticity of one variable with respect to another between two given points.The y arc elasticity of x is defined as::E {x,y} = frac{% mbox{ change in } x}{% mbox{ change in } y}where the percentage change is calculated relative to the… … Wikipedia
Lower tangent arc — A lower tangent arc is a rarely observable halo, an optical phenomenon appearing under and tangent to a 22° halo centred around the sun.Just like upper tangent arcs, the shape of a lower tangent arc is dependent on the altitude of the sun. As the … Wikipedia
Arc flash — An arc flash (or arc blast) event is a type of electrical explosion that results from a low impedance connection to ground or another voltage phase in an electrical system. DefinitionAn arc flash is a voltage breakdown of the resistance of air… … Wikipedia
ARC-5 — The AN/ARC 5 Command Radio Set is a series of radio receivers, transmitters, and accessories used to provide two way Morse code and AM radiotelephone communication for U.S. Navy aircraft during World War II and the years following. It was an… … Wikipedia
Arc converter — The arc converter, sometimes called the arc transmitter or Poulsen arc after its inventor Valdemar Poulsen, is a device used to convert DC energy into RF energy. It is now on the list of IEEE Milestones as a historic achievement in electrical… … Wikipedia
Lower extremity of femur — Infobox Bone Name = Lower extremity of femur Latin = GraySubject = 59 GrayPage = 243 Caption = Lower extremity of right femur viewed from below. Caption2 = Left knee joint from behind, showing interior ligaments. System = MeshName = MeshNumber =… … Wikipedia
Gas metal arc welding — RMD redirects here. RMD may also refer to IRA Required Minimum Distributions. Gas metal arc welding … Wikipedia
Electric arc furnace — An electric arc furnace (EAF) is a furnace that heats charged material by means of an electric arc. Arc furnaces range in size from small units of approximately one ton capacity (used in foundries for producing cast iron products) up to about 400 … Wikipedia
