The theory of alpha decay utilizes this model . 衰變理論用了這種模型。
Most of the alpha particles would go right through the foil . 大多數(shù)粒子總是筆直地穿過(guò)簿箔。
Thus the alpha particle is an exceptionally stable nuclear structure . 由此可見(jiàn),粒子是一種特別穩(wěn)定的核結(jié)構(gòu)。
Alpha particles emitted by radioactive nuclei have energies of a few mev . 由放射性原子核發(fā)射出的粒子能量一般為幾個(gè)Mev。
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 fact that the alpha particles travel right through the foil means they travel through the atoms . 粒子徑直穿過(guò)簿箔這一事實(shí)意味著它們也穿過(guò)原子。
Very few alpha particles from radioactive sources can travel more than 1 to 3 inches in air before being stopped . 在空氣中從放射源放出的粒子在停止以前只有很少能穿過(guò)13英寸的距離。
Are still at an early alpha or prototype level 仍處于早期alpha測(cè)試或原型級(jí)別。
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