- three-phase unit
- 三相(X线)机
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
Three-phase electric power — This article deals with where, how and why three phase is used. For information on the basic mathematics and principles of three phase, see three phase. Three phase electric power is a common method of alternating current electric power… … Wikipedia
Three phase traffic theory — The three phase traffic theory is an alternative traffic theory developed by Boris Kerner. It is mainly concerned with the physics of traffic congestion at freeways. Kerner describes three phases, opposed to the classical theories based on the… … Wikipedia
Three-phase — This article deals with the basic mathematics and principles of three phase electricity. For information on where, how and why three phase is used, see three phase electric power. In electrical engineering, three phase electric power systems have … Wikipedia
Three Mile Island (book) — Three Mile Island: A Nuclear Crisis in Historical Perspective is a scholarly history of the Three Mile Island accident, written by J. Samuel Walker and published in 2004. Walker is the Nuclear Regulatory Commission s historian and his book is the … Wikipedia
Phase-shift keying — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Phase Change Material — A phase change material (PCM) is a substance with a high heat of fusion which, melting and solidifying at a certain temperature, is capable of storing and releasing large amounts of energy. Heat is absorbed or released when the material changes… … Wikipedia
Per-unit system — In electrical engineering in the field of power transmission a per unit system is the expression of system quantities as fractions of a defined base unit quantity. Calculations are simplified because quantities expressed as per unit are the same… … Wikipedia
Power distribution unit — TCP/IP controlled 19 PDU with USB webcam, environmental IP monitoring … Wikipedia
Single-phase electric power — In electrical engineering, single phase electric power refers to the distribution of alternating current electric power using a system in which all the voltages of the supply vary in unison. Single phase distribution is used when loads are mostly … Wikipedia
Split-phase electric power — A split phase electricity distribution system is a 3 wire single phase distribution system, commonly used in North America for single family residential and light commercial (up to about 100 kVA) applications. It is the AC equivalent of the… … Wikipedia
Consumer unit — For consumer units in economics, see consumer unit (economics). Wylex standard consumer unit fitted with rewirable fuses … Wikipedia