Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Criticality_accident> ?p ?o. }
Showing items 1 to 39 of
39
with 100 items per page.
- Criticality_accident abstract "A criticality accident is an uncontrolled nuclear chain reaction. It is sometimes referred to as a critical excursion or a critical power excursion and represents the unintentional assembly of a critical mass of a given fissile material, such as enriched uranium or plutonium, in an unprotected environment. A critical or supercritical fission reaction (one that is sustained in power or increasing in power) generally only occurs inside reactor cores and occasionally within test environments; a criticality accident occurs when the same reaction is achieved unintentionally and in an unsafe environment. Though dangerous and frequently lethal to humans within the immediate area, the critical mass formed is still incapable of producing a nuclear detonation of the type seen in fission bombs, as the reaction lacks the many engineering elements that are necessary to induce explosive supercriticality. The heat released by the nuclear reaction will typically cause the fissile material to expand, so that the nuclear reaction becomes subcritical again within a few seconds.In the history of atomic power development, 22 criticality accidents have occurred in collections of fissile materials outside nuclear reactors and critical experiments assemblies in a process environment, and 60 total including reactor and critical experiments facilities. Although a large release of radiation is characterized by this accident, for process accidents outside reactors, only 14 have died from what would be considered a localized event from a very high radiation exposure to the nearest person(s) to the event (less than 1 m). No criticality accidents have resulted in nuclear explosions.".
- Criticality_accident wikiPageExternalLink Pub1106_scr.pdf.
- Criticality_accident wikiPageExternalLink critical.html.
- Criticality_accident wikiPageExternalLink la_13638.shtml.
- Criticality_accident wikiPageExternalLink 1964USA1.html.
- Criticality_accident wikiPageExternalLink radaccidents.html.
- Criticality_accident wikiPageExternalLink 00-099.shtml.
- Criticality_accident wikiPageExternalLink la-13638.pdf.
- Criticality_accident wikiPageID "949651".
- Criticality_accident wikiPageRevisionID "598816219".
- Criticality_accident hasPhotoCollection Criticality_accident.
- Criticality_accident subject Category:Nuclear_accidents_and_incidents.
- Criticality_accident subject Category:Radioactivity.
- Criticality_accident type Abstraction100002137.
- Criticality_accident type Accident107301336.
- Criticality_accident type Event100029378.
- Criticality_accident type Happening107283608.
- Criticality_accident type Misfortune107304852.
- Criticality_accident type Mishap107314427.
- Criticality_accident type NuclearAccidents.
- Criticality_accident type PsychologicalFeature100023100.
- Criticality_accident type Trouble107289014.
- Criticality_accident type YagoPermanentlyLocatedEntity.
- Criticality_accident comment "A criticality accident is an uncontrolled nuclear chain reaction. It is sometimes referred to as a critical excursion or a critical power excursion and represents the unintentional assembly of a critical mass of a given fissile material, such as enriched uranium or plutonium, in an unprotected environment.".
- Criticality_accident label "Accident de criticité".
- Criticality_accident label "Accidente de criticidad".
- Criticality_accident label "Criticality accident".
- Criticality_accident label "临界事故".
- Criticality_accident label "臨界事故".
- Criticality_accident sameAs Accidente_de_criticidad.
- Criticality_accident sameAs Accident_de_criticité.
- Criticality_accident sameAs 臨界事故.
- Criticality_accident sameAs 임계사고.
- Criticality_accident sameAs m.03smrt.
- Criticality_accident sameAs Q1321523.
- Criticality_accident sameAs Q1321523.
- Criticality_accident sameAs Criticality_accident.
- Criticality_accident wasDerivedFrom Criticality_accident?oldid=598816219.
- Criticality_accident isPrimaryTopicOf Criticality_accident.