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
Phase Change Random Access Memory — Phase change RAM (Abk.: PCRAM oder PRAM, in einer speziellen Ausführung auch Ovonics Unified Memory / OUM oder chalcogenide RAM / C RAM) ist ein neuartiger nicht flüchtiger Speicher in der Elektronik. Das Wirkprinzip des Speichers ist die… … Deutsch Wikipedia
Phase-change random access memory — (Abk.: PCRAM oder PRAM, in einer speziellen Ausführung auch „Ovonics Unified Memory“, OUM, oder „chalcogenide RAM“, C RAM) ist ein neuartiger nicht flüchtiger Speicher in der Elektronik (Stand 2009). Das Wirkprinzip des Speichers ist die Änderung … Deutsch Wikipedia
Phase-change memory — Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube Non volatile … Wikipedia
Phase-Change Material — A material that can be used to store thermal energy as latent heat. Various types of materials have been and are being investigated such as inorganic salts, eutectic compounds, and parrafins, for a variety of applications, including solar… … Energy terms
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-contrast imaging — Phase contrast imaging, or – more casually – High Resolution (HR) imaging, is a method of imaging in Transmission Electron Microscopy (TEM). The ability to image using phase contrast is one of the key elements which differentiates Transmission… … Wikipedia
Materials science — Simulation of the outside of the Space Shuttle as it heats up to over 1,500 °C (2,730 °F) during re entry into the Earth s atmosphere Materials science is an interdisciplinary field applying the properties of matter to various areas of… … Wikipedia
Phase transition — This diagram shows the nomenclature for the different phase transitions. A phase transition is the transformation of a thermodynamic system from one phase or state of matter to another. A phase of a thermodynamic system and the states of matter… … Wikipedia
Phase I Environmental Site Assessment — A Phase I Environmental Site Assessment is a report prepared for a real estate holding which identifies potential or existing environmental contamination liabilities. The analysis, often called a Phase I ESA, typically addresses both the… … Wikipedia
materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… … Universalium