Curie soon found that the element thorium emitted similar radiation.

居里很快发现元素钍会发出类似的辐射。

Even though the thorium emits an electron we don't use the usual symbol for electrons.

即使钍发射电子， 我们也不使用通常的电子符号。

Using traces of two other elements, uranium and thorium, they were able to date both stalagmites.

利用铀和钍这两种其他元素的痕迹，他们能够确定这两种石笋的年代。

All this background radiation comes from radon in the air and uranium and thorium in the soil.

所有这些背景辐射都来自空气中的氡和土壤中的铀和钍。

The energy of the gamma-rays, the highest energy form of light, corresponded to thorium, a radioactive element.

伽马射线的能量是光的最高能量形式，相当于放射性元素钍。

Intel scientists investigating the problem found that even trace amounts of uranium and thorium in the ceramic were sufficient to cause problems.

调查该问题的英特尔科学家发现， 陶瓷中即使含有微量的铀和钍也足以引起问题。

The helium nucleus obviously has a plus 2 charge, and the thorium atom would have a negative charge as well.

氦原子核显然带有正 2 电荷， 而钍原子也带有负电荷。

The ages of these flowstones can be determined by the ratio within them of the radioactive elements uranium and thorium.

这些流石的年龄可以通过其中放射性元素铀和钍的比例来确定。

The alpha particles emitted by uranium and thorium were energetic and ionizing enough to create electron hole pairs in the silicone.

铀和钍发射的阿尔法粒子能量大， 电离性强， 足以在硅中形成电子空穴对。

Her studies on uranium and thorium led her to deduce that the radiation they emitted was not due to interactions with other elements but was an inherent property of the elements themselves.

她对铀和钍的研究使她推断出它们发出的辐射不是由于与其他元素的相互作用而产生的，而是元素本身的固有属性。