e/Heavy water reactor

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has glosseng: Heavy water reactors use heavy water as a neutron moderator. Heavy water is deuterium oxide, D2O. Neutrons in a nuclear reactor that uses uranium must be slowed down so that they are more likely to split other atoms and get more neutrons released to split other atoms. Light water can be used, as in a light water reactor, but since it absorbs neutrons the uranium must be enriched for criticality to be possible. The most common pressurised heavy water reactor is the CANDU reactor.
lexicalizationeng: Heavy water reactors
lexicalizationeng: heavy water reactor
subclass of(noun) (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements
nuclear reactor, reactor
has instancee/IR-40
Meaning
German
has glossdeu: Der Schwerwasserreaktor (Heavy Water Reactor; HWR) ist ein Kernreaktortyp, bei dem schweres Wasser (D2O) als Kühlmittel und Moderator verwendet wird. Schweres Wasser ist Wasser, das anstatt des gewöhnlichen Wasserstoffs (H) mit der Massenzahl 1 das schwerere Wasserstoffisotop Deuterium (D) mit der Massenzahl 2 enthält. Schweres Wasser absorbiert Neutronen weniger stark als normales Wasser. Daher kann dieser Reaktortyp im Gegensatz zu Leichtwasserreaktoren mit Uran in der natürlichen Isotopenzusammensetzung als Natururanreaktor betrieben werden.
lexicalizationdeu: Schwerwasserreaktor
Persian
has glossfas: راکتور آب‌ سنگین معروف به راکتورهای HWR، از انواع راکتورهای صنعتی نوین در نیروگاه‌های هسته‌ای در جهان است.
lexicalizationfas: راکتور آب‌سنگین
French
has glossfra: Le réacteur à eau lourde ou Heavy water reactors (HWR) est un réacteur nucléaire qui utilise de l'eau lourde comme caloporteur et comme modérateur.
lexicalizationfra: Reacteur a eau lourde
lexicalizationfra: réacteur à eau lourde
Japanese
has glossjpn: 重水炉(じゅうすいろ)は、減速材に重水を用いる原子炉のこと。
lexicalizationjpn: 重水炉
Korean
has glosskor: 중수로는 중수를 감속재로 사용하는 열 중성자 원자로이다. 중수는 수소의 동위원소인 중수소가 물의 수소구조에 포함된 물인 D2O를 말한다. 원자로 내부의 235U은 이와 반대로, 지속된 연쇄반응을 이끌어내지만, 자연상태에서는 너무나 적게 분포된235U 때문에, 천연 우라늄은 스스로 임계상태까지 오르지 못한다. 그때문에 중성자를 감속시킬만한 재료가 필요한데, 이 재료를 감속재라고 부른다. 일반적으로 감속재론 경수를 사용하는데, 경수는 중성자를 흡수하기 때문에, 235U를 농축시켜야 한다. 그러나, 중수는 중성자 흡수가 적기 때문에 일반 천연 우라늄을 사용할수 있다. 중수를 사용하는 대부분의 가압수형 원자로는 CANDU이다.
lexicalizationkor: 중수로
Dutch
has glossnld: Een zwaarwaterreactor HWR is een kernreactor, die zwaar water onder hoge druk (155 bar) gebruikt als koeling en als moderator. De naam zwaarwaterreactor komt voort uit de noodzaak om in de primaire koelring zwaar water te gebruiken als moderator. Dit type is geschikt voor een kerncentrale om kernenergie te produceren uit niet verrijkt uranium. Het afvalproduct hier is plutonium. Bruikbaar voor de productie van Atoombommen.
lexicalizationnld: Zwaar water reactor
lexicalizationnld: zwaarwaterreactor
Polish
has glosspol: Reaktor ciężkowodny (ang. heavy water reactor) - rodzaj reaktora jądrowego, w którym rolę moderatora i chłodziwa pełni woda ciężka. Najpopularniejszą na świecie tego typu konstrukcją jest reaktor CANDU opracowany w Kanadzie.
lexicalizationpol: Reaktor ciężkowodny
Swedish
has glossswe: Tungvattenreaktor, en typ av kärnreaktor som använder tungt vatten som moderator.
lexicalizationswe: tungvattenreaktor
Media
media:imgHWCTR.jpg
media:imgPressurizedWaterReactor.gif
media:imgSchema reacteur eau pressurisée.svg

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