- decay constant裂变[衰变，衰减]常数;
- physical decay自然衰退;
- radioactive isotopen.放射性同位素;
- tooth decay蛀牙;
- 双语例句
1、
Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.
α粒子是从天然放射性蜕变得到的带正电的氦核.
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2、
Rutherford first identified the action of probability in radioactive decay.
卢瑟福首先认识到几率在放射性衰变中的作用.
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3、
Unlike helium - 4, it cannot be produced by radioactive decay.
与氦 - 4不同之处是, 氦-3不能由放射性衰变产生.
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4、
It is the product of radioactive decay ( see radioactivity ) and is used in helium dating.
氦 是由放射性衰变形成的,可用于氦年代测定法.
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5、
Alpha particles positively charged helium nuclei obtained from natural radioactive decay.
粒子是从天然放射性蜕变得到的带正电的氦核.
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6、
Chemistry also uses calculus in determining reaction rates and radioactive decay.
化学也使用演算在确定反应速率和放射性衰变.
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7、
Radon is a gas that comes from the radioactive decay of radium in rocks.
氡是来自岩石中镭辐射衰变而产生的一种气体.
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8、
It had been used for practical ends, to identify elements and to unravel radioactive decay chains.
已将其用于实践的目的, 去鉴别元素和阐明放射性衰变系.
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