About: Hot particle

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A hot particle is a microscopic piece of radioactive material that can become lodged in living tissue and deliver a concentrated dose of radiation to a small area. A controversial theory proposes that hot particles within the body are vastly more dangerous than external emitters delivering the same dose of radiation in a diffused manner. Other researchers claim that there is little or no difference in risk between internal and external emitters. Individuals will likely continue to accumulate radiation dose from internal sources even after being removed from the original hazard and properly decontaminated, regardless of the relative danger from an internally sourced radiation dose compared to an equivalent externally sourced radiation dose.

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  • الجسيمات الساخنة هي قطعة مجهرية من المواد المشعة التي يمكن أن تصبح مستودعة في الأنسجة الحية وتؤمن جرعة مركزة من الإشعاع إلى منطقة صغيرة. تقترح نظرية مثيرة للجدل أن الجسيمات الساخنة داخل الجسم تكون أشد خطورة من الانبعاثات الخارجية التي تعطي نفس جرعة الإشعاع بطريقة منتشرة. يدعي باحثون آخرون أن هناك اختلاف بسيط أو لا يوجد اختلاف في المخاطر بين الانبعاثات الداخلية والخارجية. (ar)
  • A hot particle is a microscopic piece of radioactive material that can become lodged in living tissue and deliver a concentrated dose of radiation to a small area. A controversial theory proposes that hot particles within the body are vastly more dangerous than external emitters delivering the same dose of radiation in a diffused manner. Other researchers claim that there is little or no difference in risk between internal and external emitters. Individuals will likely continue to accumulate radiation dose from internal sources even after being removed from the original hazard and properly decontaminated, regardless of the relative danger from an internally sourced radiation dose compared to an equivalent externally sourced radiation dose. The theory has gained most prominence in debates over the health effects of nuclear accidents, dirty bombs or fallout from nuclear weapons, all of which can spread hot particles through the environment. The current ICRP risk model for radiation exposure is derived from studies of victims of external radiation, and detractors claim it does not adequately estimate the risk of hot particles. (en)
  • ホットパーティクル(英: hot particle)とは、アルファ崩壊に伴いアルファ粒子を放出し、一粒あたり 0.07[pCi](0.259[Bq])以上の放射能を持つ不溶性の微粒子(particle)を言う。主としてプルトニウムの微粒子を指す。 (ja)
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  • الجسيمات الساخنة هي قطعة مجهرية من المواد المشعة التي يمكن أن تصبح مستودعة في الأنسجة الحية وتؤمن جرعة مركزة من الإشعاع إلى منطقة صغيرة. تقترح نظرية مثيرة للجدل أن الجسيمات الساخنة داخل الجسم تكون أشد خطورة من الانبعاثات الخارجية التي تعطي نفس جرعة الإشعاع بطريقة منتشرة. يدعي باحثون آخرون أن هناك اختلاف بسيط أو لا يوجد اختلاف في المخاطر بين الانبعاثات الداخلية والخارجية. (ar)
  • ホットパーティクル(英: hot particle)とは、アルファ崩壊に伴いアルファ粒子を放出し、一粒あたり 0.07[pCi](0.259[Bq])以上の放射能を持つ不溶性の微粒子(particle)を言う。主としてプルトニウムの微粒子を指す。 (ja)
  • A hot particle is a microscopic piece of radioactive material that can become lodged in living tissue and deliver a concentrated dose of radiation to a small area. A controversial theory proposes that hot particles within the body are vastly more dangerous than external emitters delivering the same dose of radiation in a diffused manner. Other researchers claim that there is little or no difference in risk between internal and external emitters. Individuals will likely continue to accumulate radiation dose from internal sources even after being removed from the original hazard and properly decontaminated, regardless of the relative danger from an internally sourced radiation dose compared to an equivalent externally sourced radiation dose. (en)
rdfs:label
  • الجسيمات الساخنة (ar)
  • Hot particle (en)
  • ホットパーティクル (ja)
  • Гаряча частинка (uk)
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