active volume of source
1Active learning — is an umbrella term that refers to several models of instruction that focus the responsibility of learning on learners. Bonwell and Eison (1991) popularized this approach to instruction. This buzz word of the 1980s became their 1990s report to… …
2Active galactic nucleus — An active galactic nucleus (AGN) is a compact region at the centre of a galaxy which has a much higher than normal luminosity over some or all of the electromagnetic spectrum (in the radio, infrared, optical, ultra violet, X ray and/or gamma ray… …
3Active pixel sensor — An active pixel sensor (APS) is an image sensor consisting of an integrated circuit containing an array of pixel sensors, each pixel containing a photodetector and an active amplifier. There are many types of active pixel sensors including the… …
4Active laser medium — The active laser medium or gain medium is the source of optical gain within a laser. The gain results from the stimulated emission of electronic or molecular transitions to a lower energy state from a higher energy statepreviously populated by a… …
5active — actively, adv. activeness, n. /ak tiv/, adj. 1. engaged in action; characterized by energetic work, participation, etc.; busy: an active life. 2. being in a state of existence, progress, or motion: active hostilities. 3. involving physical effort …
6High Frequency Active Auroral Research Program — HAARP is often confused with Project HARP, the High Altitude Research Project (a joint project of The Pentagon and the Canadian Department of National Defence).The High Frequency Active Auroral Research Program (HAARP) is an investigation project …
7Open-source software — The logo of the Open Source Initiative Open source software (OSS) is computer software that is available in source code form: the source code and certain other rights normally reserved for copyright holders are provided under a software license… …
8Modified active gas sampling — (MAGS) is an environmental engineering assessment technique which rapidly detects unsaturated soil source areas impacted by volatile organic compounds. The technique was developed by HSA Engineers Scientists in Fort Myers, Florida in 2002, led by …
9Line source — A line source is a source of air, noise, water contamination or electromagnetic radiation that emanates from a linear (one dimensional) geometry. The most prominent linear sources are roadway air pollution, aircraft air emissions, roadway noise,… …
10Open Source Job Scheduler — Developer(s) Software und Organisations Service GmbH Stable release 1.3.7 / April 23, 2010; 18 months ago (2010 04 23) …
