en

fission

1

Terminological databases

EKI terminibaas Esterm

ID 708961 Last modified 30.12.2004
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Domain applied nuclear sciencenuclear fissionpublic safety servicesnuclear physics; atomic physics
  • lõhustumine - aatomituuma muundumine kaheks (harvemini enamaks) ligikaudu võrdse massiga kildtuumaks. Raske tuuma lõhustumisel vabaneb energiat ja kiirgub mitu neutronit, mis võivad tekitada ahelreaktsiooni. Lõhustumine võib toimuda neutronite, prootonite, footonite jt osakeste mõjul või spontaanselt.
  • the splitting of a heavy nucleus,with release of neutrons and liberation of energy
  • division of a heavy nucleus into two or, rarely, more parts with masses of equal order of magnitude, usually accompanied by the emission of neutrons, gamma rays and, rarely, small charged nuclear fragments
tuuma lõhustumine preferred
tuuma jagunemine
nuclear fission preferred
Usage examples
  • Cooperation relating to nuclear fission research and development in such fields as safety, radiological protection, health and the environment, and safeguards may be subject to specific agreements between the Community and the United States of America.
fission

Geoloogia terminibaas

ID 456445 Last modified 13.09.2019
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Domain geochemistry
  • millegi jagamine kaheks või rohkemaks osaks
jagamine

Militerm | riigikaitseterminite andmebaas

ID 526362 Last modified 21.12.2020
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Domain Weapons and Weapon Systems -> Nuclear Weapons
tuuma lõhustumine preferred
lõhustumine admitted
tuuma lõhustamine deprecated
fission preferred
fission preferred
  • protsess, mille käigus raske elemendi tuum lõhustub (tavaliselt) kaheks kergema elemendi tuumaks, kusjuures vabaneb suur hulk energiat
  • the process whereby the nucleus of a heavy element splits into (generally) two nuclei of lighter elements, with the release of substantial amounts of energy
tuuma lõhustumine preferred
lõhustumine admitted
tuuma lõhustamine deprecated
fission preferred
Good to know
  • Approval status:
  • 2015
fission preferred
Good to know
  • Approval status:
  • 2015

Tuumaenergia ja kiirguskaitse terminibaas

ID 583365 Last modified 11.06.2023
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Domain nuclear fissionNuclear Technology & Nuclear Industrynuclear energy
  • protsess, mille käigus raske tuum lõhustub kaheks (või vahel harva rohkemaks) osaks, mis omavad samas suurusjärgus masse, ning sellega kaasneb neutronite, gammakiirguse ja harva ka väiksemate nulkeiidide fraktsioonide eraldumine
  • division of a heavy nucleus into two (or, rarely, more) parts with masses of equal order of magnitude, usually accompanied by the emission of neutrons, gamma-radiation, and, rarely, small charged nuclear fragments

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