threshold energy level
1threshold effect — UK US noun [C] ► the fact of something reaching a level or point at which something starts to happen or change: »We witnessed the threshold effect as renewable energy emerged from niche markets to compete for mainstream business. ► MARKETING the… …
2Energy Independence and Security Act of 2007 — Full title Energy Independence and Security Act of 2007 Enacted by the 110th United States Congress Citations Public Law …
3level — 1. Any rank, position, or status in a graded scale of values. 2. A test for determining such rank or position. acoustic reference l. the biological reference l. for sound measurements. When the term decibel is used to …
4Lasing threshold — The lasing threshold is the lowest excitation level at which a laser s output is dominated by stimulated emission rather than by spontaneous emission. Below the threshold, the laser s output power rises slowly with increasing excitation. Above… …
5Absolute threshold of hearing — The absolute threshold of hearing (ATH) is the minimum sound level of a pure tone that an average ear with normal hearing can hear with no other sound present. The absolute threshold relates to the sound that can just be heard by the… …
6Trophic level — First trophic level The plants in this image, and the algae and phytoplankton in the lake, are primary producers. They take nutrients from the soil or the water, and manufacture their own food by photosynthesis, using energy from the sun. The… …
7Linear no-threshold model — The linear no threshold model (LNT) is a method for predicting the long term, biological damage caused by ionizing radiation and is based on the assumption that the risk is directly proportional to the dose at all dose levels. In other words, the …
8Directed-energy weapon — This article is about practical experiments with energy weapons. For fictional uses, see raygun. Humvee with Active Denial System mounted A directed energy weapon (DEW) emits energy in an aimed direction without the means of a projectile. It… …
9The Dark Energy Survey — DES logo The Dark Energy Survey (DES) is a survey that aims to probe the dynamics of the expansion of the universe and the growth of large scale structure. The collaboration is composed of research institutes and universities from United… …
10Aerobic threshold — The aerobic threshold (AeT) is a term sometimes used by sports coaches and trainers to describe a level of exercise somewhat below the anaerobic threshold. It, however, is not a defined physiological term.The AeT is sometimes defined as the… …
