phase — phaseless, adj. phasic, phaseal, adj. /fayz/, n., v., phased, phasing. n. 1. any of the major appearances or aspects in which a thing of varying modes or conditions manifests itself to the eye or mind. 2. a stage in a process of change or… … Universalium
Phase (Chemie) — Zwei nicht miteinander mischbare Flüssigkeiten bilden ein Zweiphasensystem (obere Phase Ether, untere Phase Wasser) In der Physikalischen Chemie, Thermodynamik und Materialwissenschaft ist die Phase die Gesamtheit der homogenen Teile eines… … Deutsch Wikipedia
Phase (Thermodynamik) — Dieser Artikel wurde den Mitarbeitern der Redaktion Physik zur Qualitätssicherung aufgetragen. Wenn Du Dich mit dem Thema auskennst, bist Du herzlich eingeladen, Dich an der Prüfung und möglichen Verbesserung des Artikels zu beteiligen. Der… … Deutsch Wikipedia
System lifecycle — In systems engineering, the system lifecycle is an examination of a system or proposed system that addresses all phases of its existence to include system design and development, production and/or construction, distribution, operation,… … Wikipedia
Phase Boundary Catalysis — (PBC) in chemistry is a type of heterogeneous catalytic system which facilitates the chemical reaction of a particular chemical component in immiscible phase react on a catalytic active site located at phase boundary. The chemical component is… … Wikipedia
System requirements (Spacecraft system) — System requirements in Spacecraft systems are the specific system requirements needed to design and operate a spacecraft or a Spacecraft subsystem. Overview [ V Model of the general Systems Development Life Cycle.… … Wikipedia
Phase contrast microscopy — Phase contrast image of a cheek epithelial cell Phase contrast microscopy is an optical microscopy illumination technique of great importance to biologists in which small (invisible to the human eye) phase shifts in the light passing through a… … Wikipedia
System-on-a-chip — or system on chip (SoC or SOC) refers to integrating all components of a computer or other electronic system into a single integrated circuit (chip). It may contain digital, analog, mixed signal, and often radio frequency functions ndash; all on… … Wikipedia
Phase noise — is the frequency domain representation of rapid, short term, random fluctuations in the phase of a wave, caused by time domain instabilities ( jitter ). Generally speaking radio frequency engineers speak of the phase noise of an oscillator,… … Wikipedia
Phase fired controllers — Phase control (PFC), also called phase cutting, is a method of pulse width modulation (PWM) for power limiting, applied to AC voltages. It works by modulating a thyristor, SCR, triac, thyratron, or other such gated diode like devices into and out … Wikipedia
phase — ► NOUN 1) a distinct period or stage in a process of change or development. 2) each of the aspects of the moon or a planet, according to the amount of its illumination. 3) Physics the relationship between the cycles of an oscillating system and a … English terms dictionary