核蛻變 的英文怎麼說
中文拼音 [hétuìbiàn]
核蛻變
英文
[核物理] nuclear disintegration-
Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.
粒子是從天然放射性蛻變得到的帶正電的氦核。The energy results from a loss in mass of the nuclide during its transformation.
這種能量來源於核素在蛻變時質量的損失。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力的能量明顯地可追逆到核反應和核蛻變。A few elements, among them uranium and thorium, spontaneously disintegrate into lighter elements by chances.
少數元素,其中有鈾和釷,通過它們核的變化自然蛻變成較輕的元素。It was at the beginning of 1934, while working on the emission of these positive electrons that we noticed a fundamental difference between that transmutation and all the others so far produced ; all the reactions of nuclear chemistry induced were instantaneous phenomena, explosions
到1934年初,我們在研究這些正電子排斥現象時才注意到,在蛻變和當時產生所有其他反應之間存在著一種根本性區別:所有被誘導的核化學反應都是瞬時現象,即爆炸現象。E standard practice for calculation of average energy per disintegration for a mixture of radionuclides in reactor coolant
反應堆冷卻劑中放射性核素混合物每次蛻變的平均能量分享友人