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The explosive yield of a nuclear weapon is the amount of energy released when that particular nuclear weapon is detonated, usually expressed as a TNT equivalent (the standardized equivalent mass of trinitrotoluene which, if detonated, would produce the same energy discharge), either in kilotons (kt—thousands of tons of TNT), in megatons (Mt—millions of tons of TNT), or sometimes in terajoules (TJ). An explosive yield of one terajoule is 0.239 kt of TNT. Because the accuracy of any measurement of the energy released by TNT has always been problematic, the conventional definition accepted since the dawn of the Atomic Age is that one kiloton of TNT is simply to be 1012 calories equivalent, which is only approximately equal to the energy yield of 1,000 tons of TNT.

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  • Nuclear weapon yield
  • Rendimiento del arma nuclear
  • Puissance des armes nucléaires
  • 核出力
  • 核武器当量
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  • 核出力(かくしゅつりょく、英: Nuclear (weapon) yield)は、核兵器の爆発の威力を示す尺度である。核兵器が爆発する際に放出するエネルギー量を示すものであり、通常これに等しいエネルギーを得るために必要なトリニトロトルエン (TNT) の質量で表される。
  • 核武器當量是指核武器爆炸後釋放出的能量,通常用釋放出相同能量的三硝基甲苯的噸位來衡量。常見的單位有千噸(kt)和百萬噸(Mt),有時也用太焦耳(TeraJoules)。因為測量TNT爆炸產生的能量具有一定主觀性,加之試驗誤差,精確測定很困難(特別是在核武器研發初期)。因此,一千噸TNT爆炸的能量約定俗成的定為1012大卡,相當於4.184太焦耳。 當量-重量比是指核武器的當量與其重量的比值。對於聚變武器(熱核武器),當量-重量比的理論極限是每噸位炸彈6百萬噸TNT,相當於25太焦耳/千克。1960年代曾報道過當量在5.2百萬噸/噸,甚至更高的單彈頭核武器。但從那時起,為了增加打擊效率,多彈頭核武器受到青睞。因此,核武器開始小型化,現代單彈頭核武器的當量-重量比開始走下坡路。
  • The explosive yield of a nuclear weapon is the amount of energy released when that particular nuclear weapon is detonated, usually expressed as a TNT equivalent (the standardized equivalent mass of trinitrotoluene which, if detonated, would produce the same energy discharge), either in kilotons (kt—thousands of tons of TNT), in megatons (Mt—millions of tons of TNT), or sometimes in terajoules (TJ). An explosive yield of one terajoule is 0.239 kt of TNT. Because the accuracy of any measurement of the energy released by TNT has always been problematic, the conventional definition accepted since the dawn of the Atomic Age is that one kiloton of TNT is simply to be 1012 calories equivalent, which is only approximately equal to the energy yield of 1,000 tons of TNT.
  • El rendimiento explosivo de un arma nuclear o rendimiento de fisión de un arma nuclear es la cantidad de energía descargada cuando un arma nuclear se detona, expresada generalmente en TNT equivalente (la masa equivalente estandarizada de trinitrotolueno que, si se detonára, produciría la misma descarga de energía), ya sea en kilotones (kt, miles de toneladas de TNT) o megatones (Mt, millones de toneladas de TNT), pero a veces también en terajulios (1 kilotón de TNT = 4.184 TJ). Pero debido a que la cantidad exacta de energía liberada por el TNT, estaba y esta, sujeto a las incertidumbres de medición, especialmente en los albores de la era nuclear, la convención aceptada es que un kt de TNT se define simplemente en un 10 12 calorías equivalentes, siendo esta medida, muy aproximadamente ig
  • La puissance explosive de l'arme nucléaire est la quantité d'énergie libérée lorsqu'une arme nucléaire explose, exprimée habituellement en masse équivalente de trinitrotoluène (TNT), soit en kilotonnes (milliers de tonnes de TNT) ou mégatonnes (millions de tonnes de TNT), mais aussi parfois en térajoules (1 kilotonne de TNT = 4,184 TJ). Comme la quantité précise de l'énergie libérée par le TNT est et a été sujet à des incertitudes de mesure, surtout à l'aube de l'ère nucléaire, la convention couramment admise est qu'un kilotonne de TNT est défini comme équivalent à 1012 calories, ce qui est à peu près égal à l'énergie dégagée par l'explosion de 1 000 tonnes de TNT.
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