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- The point at which a nuclear reaction is self-sustaining. 臨界點(diǎn)核反應能夠自我維持的一個(gè)點(diǎn)
- Iron is, in fact, the dead end of nuclear reaction. 鐵其實(shí)是熱核反應的終站。
- The gadget expedites the reaction of the nuclear reaction. 這一裝置可以加速核反應。
- The energy released by the nuclear reaction is transformed into heat. 核反應中釋放出來(lái)的能被轉變?yōu)闊帷?/li>
- The application fields of these kinds of nuclear reaction are indicated. 指出了這幾種核反應的使用領(lǐng)域。
- Perhaps nuclear reactions, such as neutron capture? 也許是某種核反應，例如，中子捕獲?
- This energy produced is so great when it first collides, that a nuclear reaction occurs and the gases within the star start to bum continuously. 在它初次碰撞時(shí)，產(chǎn)生的能量非常巨大，以至于發(fā)生了核反應，恒星中的氣體開(kāi)始持續燃燒。
- The calculations are based on nuclear reaction rates, computed for different stages of a star's life. 計算工作以恒星一生中不同階段具體的核反應速率為基礎。
- Since there is no nuclear reaction inside the protostar, a protostar is not a star yet. 由于在原恒星的核心尚未發(fā)生核聚變,它們仍不能稱(chēng)為真正的恒星。
- Never have nuclear reactions stopped inside the sun. 在太陽(yáng)內部;核反應從來(lái)沒(méi)有停止過(guò).
- At the other extreme, a star whose mass is too great will become so hot as a result of accelerated nuclear reaction. 另一極端方面,質(zhì)量過(guò)大的恒星將會(huì )由于加快了原子核反應而變得很熱。
- This energy produced is so great when it first collides,that a nuclear reaction occurs and the gases within the star start to bum continuously. 在它初次碰撞時(shí)，產(chǎn)生的能量非常巨大，以至于發(fā)生了核反應，恒星中的氣體開(kāi)始持續燃燒。
- Furthermore, the energy that powers the continuing evolution of the universe apparently can all be traced to nuclear reaction and transformation. 而且，賦予宇宙不斷演化的動(dòng)力的能量明顯地可追逆到核反應和核蛻變。
- Spontaneous emission of radiation, either directly from unstable atomic nuclei or as a consequence of a nuclear reaction. 自動(dòng)放射:自動(dòng)地發(fā)出輻射,直接源于不穩定的原子核或是作為核反應的結果。
- Maxim's theory predicts,in early university,the presence of superpartner make it easier and faster for nuclear reaction to occur. 他的理論認為，宇宙初期的超級對子的存在促使宇宙中核反應變得更容易和更快。
- They give concrete evidence that nuclear reactions are proceeding in stars. 它們給出了恒星內正在不斷進(jìn)行的核反應的確實(shí)證據。
- Transformation of one element into another by one or a series of nuclear reactions. 嬗變通過(guò)一次或一系列核反應把一種元素轉化為另一種元素
- Deuterium behaviour in TiD x /Mo was investigated by ion beam analysis of nuclear reaction analysis(NRA),elastic recoil detection (ERD),rutherford backscattering(RBS). 用核反應分析（NRA）、前向反沖分析法（ERD）、背散射譜法（RBS）等離子束分析方法研究了TiDx/Mo樣品中氘的行為。
- This observational result provides a strong constraint on the theoretical models of nuclear reaction processes that produce heavy elements in the universe. 這一觀(guān)測結果提供了強有力的制約;理論模型的核反應過(guò)程產(chǎn)生的重元素宇宙.
- Finally, there should be no significant amounts of boron, lithium or other so-called poisons, which absorb neutrons and would thus bring any nuclear reaction to a swift halt. 最后一點(diǎn)，周?chē)荒苡写罅康呐?、鋰或其他稱(chēng)為抑制劑的物質(zhì)；這些物質(zhì)會(huì )吸收中子，使核反應中止。
