• Look up emission in Wiktionary, the free dictionary. Emission may refer to: Emission of air pollutants, notably: Flue gas, gas exiting to the atmosphere...
    2 KB (301 words) - 12:16, 3 October 2023
  • Thumbnail for Emissivity
    The emissivity of the surface of a material is its effectiveness in emitting energy as thermal radiation. Thermal radiation is electromagnetic radiation...
    40 KB (4,162 words) - 19:25, 15 April 2024
  • A zero emission engine, motor, process, or other energy source emits no waste products that pollute the environment or disrupt the climate. Vehicles and...
    2 KB (248 words) - 16:38, 6 February 2024
  • Thumbnail for Emission spectrum
    The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted due to electrons making...
    23 KB (2,632 words) - 13:01, 1 April 2024
  • Thumbnail for List of countries by carbon dioxide emissions
    This is a list of sovereign states and territories by carbon dioxide emissions due to certain forms of human activity, based on the EDGAR database created...
    54 KB (1,611 words) - 03:27, 12 March 2024
  • Thumbnail for Secondary emission
    In particle physics, secondary emission is a phenomenon where primary incident particles of sufficient energy, when hitting a surface or passing through...
    6 KB (592 words) - 00:22, 1 April 2023
  • Emissions control may refer to: EMCON, military state of minimal radio emissions Technology involved in vehicle emissions control Regulation of air pollution...
    228 bytes (57 words) - 21:59, 25 October 2015
  • Increasing methane emissions are a major contributor to the rising concentration of greenhouse gases in Earth's atmosphere, and are responsible for up...
    97 KB (9,886 words) - 14:25, 17 April 2024
  • August 2021. "Émission 1". BetaSeries. 23 December 2020. Archived from the original on 8 February 2022. Retrieved 10 August 2021. "Émission 2". BetaSeries...
    22 KB (1,235 words) - 09:40, 4 September 2023
  • Thumbnail for Thermionic emission
    Thermionic emission (also known as thermal electron emission or the Edison effect) is the liberation of electrons from an electrode by virtue of its temperature...
    30 KB (3,377 words) - 20:01, 25 March 2024
  • Low emissivity (low e or low thermal emissivity) refers to a surface condition that emits low levels of radiant thermal (heat) energy. All materials absorb...
    9 KB (1,117 words) - 16:13, 25 January 2024
  • Emission theory may refer to: Emission theory (relativity), a former competing theory for the special theory of relativity Emission theory (vision), a...
    226 bytes (60 words) - 21:43, 30 August 2023
  • Thumbnail for Laser
    stimulated emission of electromagnetic radiation. The word laser is an anacronym that originated as an acronym for light amplification by stimulated emission of...
    114 KB (12,661 words) - 15:46, 7 April 2024
  • Thumbnail for Emissions trading
    Emissions trading is a market-based approach to controlling pollution by providing economic incentives for reducing the emissions of pollutants. The concept...
    68 KB (8,088 words) - 17:02, 27 March 2024
  • In radio communication, a spurious emission is any component of a radiated radio frequency signal the complete suppression of which would not impair the...
    1 KB (96 words) - 10:50, 1 July 2022
  • Thumbnail for Proton emission
    Proton emission (also known as proton radioactivity) is a rare type of radioactive decay in which a proton is ejected from a nucleus. Proton emission can...
    4 KB (472 words) - 22:04, 5 April 2024
  • Thumbnail for Carbon emission trading
    Carbon emission trading (also called carbon market, emission trading scheme (ETS) or cap and trade) is a type of emission trading scheme designed for carbon...
    94 KB (11,110 words) - 10:24, 17 April 2024
  • A nocturnal emission, also known as a wet dream, sex dream, or sleep orgasm, is a spontaneous orgasm during sleep that includes ejaculation for a male...
    17 KB (2,009 words) - 02:12, 10 April 2024
  • Thumbnail for Greenhouse gas emissions
    Greenhouse gas (GHG) emissions from human activities intensify the greenhouse effect. This contributes to climate change. Carbon dioxide (CO2), from burning...
    146 KB (16,369 words) - 21:57, 17 April 2024
  • Thumbnail for Emission intensity
    An emission intensity (also carbon intensity or C.I.) is the emission rate of a given pollutant relative to the intensity of a specific activity, or an...
    32 KB (3,005 words) - 23:39, 15 March 2024
  • Thumbnail for Emission nebula
    An emission nebula is a nebula formed of ionized gases that emit light of various wavelengths. The most common source of ionization is high-energy ultraviolet...
    6 KB (538 words) - 18:43, 19 November 2023
  • Nocturnal Emissions is Nigel Ayers's sound art project that has released numerous records and CDs in music styles ranging from electro-acoustic, musique...
    10 KB (922 words) - 10:10, 26 September 2023
  • Thumbnail for Positron emission
    Positron emission, beta plus decay, or β+ decay is a subtype of radioactive decay called beta decay, in which a proton inside a radionuclide nucleus is...
    9 KB (1,114 words) - 10:56, 4 March 2024
  • In physics, electron emission is the ejection of an electron from the surface of matter, or, in beta decay (β− decay), where a beta particle (a fast energetic...
    2 KB (191 words) - 04:17, 13 March 2024
  • Thumbnail for Neutron emission
    Neutron emission is a mode of radioactive decay in which one or more neutrons are ejected from a nucleus. It occurs in the most neutron-rich/proton-deficient...
    7 KB (871 words) - 22:07, 1 December 2023
  • Emission channeling is an experimental technique for identifying the position of short-lived radioactive atoms in the lattice of a single crystal. When...
    3 KB (270 words) - 05:45, 19 May 2023
  • Thumbnail for Acoustic emission
    Acoustic emission (AE) is the phenomenon of radiation of acoustic (elastic) waves in solids that occurs when a material undergoes irreversible changes...
    13 KB (1,667 words) - 00:02, 3 January 2024
  • Thumbnail for European emission standards
    The European emission standards are vehicle emission standards for pollution from the use of new land surface vehicles sold in the European Union and...
    83 KB (6,935 words) - 17:06, 7 April 2024
  • An otoacoustic emission (OAE) is a sound that is generated from within the inner ear. Having been predicted by Austrian astrophysicist Thomas Gold in 1948...
    16 KB (2,085 words) - 18:02, 6 November 2023
  • Emission control areas (ECAs), or sulfur emission control areas (SECAs), are sea areas in which stricter controls were established to minimize airborne...
    13 KB (1,474 words) - 12:03, 7 March 2024