Search results for "Positron emission" - New World Encyclopedia

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  • isotopes, the primary mode is beta emission, giving ruthenium, with ... (by emitting an electron, emitting a positron, or capturing an electron ...
    43 KB (6,283 words) - 22:03, 13 January 2024
  • |- | colspan="2" align="center" | [[image:Ga,31.jpg|125px|Typical (melted blob)]]   [[Image:Gallium1_640x480.jpg|130px|Crystallized ...
    15 KB (2,122 words) - 04:06, 18 April 2024
  • Manganese (chemical symbol Mn, atomic number 25) is a gray-white metal that combines with other elements in various proportions. In nature, it ...
    14 KB (1,946 words) - 11:03, 9 March 2023
  • sodium displays a brilliantly bright yellow emission due to the so-called "sodium D lines" at 588.9950 and 589.5924 nanometers.]] ...
    21 KB (3,204 words) - 21:54, 30 January 2023
  • decay, when they eject an electron (or positron). After one of these decays ... ago. Measurements of natural neutrino emission have demonstrated that around ...
    18 KB (2,740 words) - 00:29, 17 November 2022
  • Category:Politics and social sciences Category:Psychology In psychology, motivation refers to the initiation, direction, intensity, and persistence ...
    18 KB (2,702 words) - 17:02, 10 November 2022
  • The blue outer shell arises from X-ray emission by high-speed electrons.]] ... an electron cloud in a Penning trap, and positron plasmas. ...
    35 KB (5,311 words) - 07:58, 24 November 2022
  • |- | Critical temperature || 1673 K (gray) 24.44 ? 34.76 24.64 553 | 596 | 646 | 706 | 781 | 874 | comment= color1=#cccc99 | color2=black ...
    21 KB (2,920 words) - 04:00, 15 August 2023
  • Obsessive-compulsive disorder (OCD) is a neurobiobehavioral mental disorder characterized by distressful, time-consuming thoughts (obsessions ...
    25 KB (3,597 words) - 16:09, 27 November 2022
  • Category:Politics and social sciences Category:Education Category:Psychology [[Image:Wolfgang-amadeus-mozart 1.jpg|thumb|200 px|Wolfgang Amadeus ...
    26 KB (3,861 words) - 01:14, 12 April 2023
  • A complete atom, with a positron orbiting the nucleus, would be called antideuterium, but antideuterium has not been created as of 2005. The ...
    31 KB (4,687 words) - 10:07, 29 January 2024
  • of synaptic reuptake). Similarly, a positron emission tomography (PET) is able to monitor glucose and oxygen metabolism as well as neurotransmitter ...
    28 KB (4,199 words) - 22:35, 20 November 2023
  • Neuroscience is an interdisciplinary field in science that is organized around the study of the nervous system. As such, the field encompasses ...
    32 KB (4,338 words) - 04:35, 11 March 2023
  • capture and the primary mode after is beta emission. The primary decay products before 48Ti are element 21 (scandium) isotopes and the primary products ...
    27 KB (3,874 words) - 03:49, 1 May 2023
  • In the 1990s, psychologists began using Positron Emission Tomograph (PET) and later, Functional magnetic resonance imaging (fMRI) to image the ...
    32 KB (4,749 words) - 18:24, 21 August 2023
  • tools like Electroencephalography (EEG), Positron Emission Tomography (PET), and Functional Magnetic Resonance Imaging (fMRI) to this study. ...
    35 KB (5,056 words) - 17:58, 26 March 2023
  • uranium with neutrons produces the emission of beta rays (electrons or positrons; see beta particle). The experiments leading to the discovery ...
    48 KB (6,867 words) - 15:33, 16 January 2024
  • such as computerized EEG, positron emission tomography, regional cerebral blood flow, and nuclear magnetic resonance imaging, are providing ...
    33 KB (4,676 words) - 00:39, 2 May 2023
  • The rotation rate of the pulsar will gradually slow due to the emission ... quot;e" can indicate the presence of emission lines; "m" represents ...
    80 KB (12,078 words) - 15:50, 27 April 2023
  • and drug addiction.jpg|thumb|400px|Brain positron emission tomography images that compare [[Human brain#Metabolism|brain metabolism]] in a healthy ...
    52 KB (7,118 words) - 05:48, 15 June 2023

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