About: Reactor-grade plutonium

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Reactor-grade plutonium (RGPu) is the isotopic grade of plutonium that is found in spent nuclear fuel after the uranium-235 primary fuel that a nuclear power reactor uses has burnt up. The uranium-238 from which most of the plutonium isotopes derive by neutron capture is found along with the U-235 in the low enriched uranium fuel of civilian reactors.

Attributes	Values
rdf:type	Thing yago:WikicatNuclearWeapons yago:Artifact100021939 yago:Device103183080 yago:Instrument103574816 yago:Instrumentality103575240 yago:NuclearWeapon103834604 yago:Object100002684 yago:PhysicalEntity100001930 yago:Weapon104565375 yago:WeaponOfMassDestruction104565963 yago:Whole100003553
rdfs:label	Reactor-grade plutonium (en) 反应堆级钚 (zh)
rdfs:comment	反應堆級鈈是指在反應堆中經過若干年燃燒后由鈾-238經中子捕獲和兩次連續的β衰變生成的鈈-239，再被嬗變成其它鈈的同位素之後形成的混合物。目前的核電站一般使用的熱中子反應堆只能在有限程度上使用反應堆級鈈，比如混合氧化物核燃料。這種燃料產生的乏燃料中的次錒系元素和含有偶數個中子的鈈同位素含量較高，因此使用一次後就只能作為核廢料處理。快中子反應堆現在還沒有商業化，但在理論上可以直接使用反應堆級鈈。根據美國能源部的定義，反應堆級鈈主要由的含量來決定。傳統上認爲，鈈-240含量越高，用於裂變核武器的可能性就越小。但是近年來，這種看法越來越受到苛責。雖然含大量鈈-240的鈈不能用作裂變武器，可是隨著技術進步，只要使用，反應堆級鈈便可以用於熱核武器。比如在迄今爲止當量最大的沙皇炸彈裏面，（tamper）採用的材料是鉛。如果使用貧化鈾或者反應堆級鈈，該彈的當量會進一步提高。 (zh) Reactor-grade plutonium (RGPu) is the isotopic grade of plutonium that is found in spent nuclear fuel after the uranium-235 primary fuel that a nuclear power reactor uses has burnt up. The uranium-238 from which most of the plutonium isotopes derive by neutron capture is found along with the U-235 in the low enriched uranium fuel of civilian reactors. (en)
rdfs:seeAlso	Nuclear fuel cycle Nuclear terrorism
foaf:depiction
dcterms:subject	American nuclear weapons testing Nuclear weapons Nuclear materials Plutonium
Wikipage page ID	11563568 (xsd:integer)
Wikipage revision ID	1123967844 (xsd:integer)
Link from a Wikipage to another Wikipage	American nuclear weapons testing Belfer Center for Science and International Affairs Pu-238 Sarin Electrowinning MOX fuel Onkalo Online refuelling U-235 Non-proliferation treaty 2009 North Korean nuclear test List of states with nuclear weapons Burner reactor United States Department of Energy Uranium-235 Uranium-238 Uranium enrichment Uranium hydride bomb VX (nerve agent) Decay heat Nuclear fuel cycle Nuclear power by country Nuclear power proposed as renewable energy Nuclear weapon design Weapons-grade plutonium Council on Foreign Relations Megawatt Generation III reactor Generation II reactor Generation IV reactor Nature (journal) Nuclear reactor Pyroprocessing Thermal-neutron reactor Cold War Gamma ray Thin Man (nuclear bomb) Nuclear weapons Shutdown (nuclear reactor) Committee on International Security and Arms Control Gas cooled reactor GigaWatt Pressurized water reactor Matthew Bunn 2006 North Korean nuclear test 1958 US-UK Mutual Defence Agreement Aum Shinrikyo B205 Nuclear materials Tonne Tridium Uranium market Actinides Al Qaeda Ammonium nitrate Fast breeder reactor Fat Man Federation of American Scientists Fission products Nuclear Regulatory Commission Nuclear Waste Policy Act Nuclear fission Fusion power Cofrentes Nuclear Power Plant Nuclear reprocessing Nuclear weapon Fast-neutron reactor Isotopes of plutonium

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