thorium

As this lava began to crystallize, it would have differentiated to produce a more silicic melt that was enriched in thorium.

由于这熔岩开始结晶，它将有区别的，以产生更多的钍丰富的硅熔体。

The presence of thorium, which is often found mixed with silicates, was the telltale marker of a particularly shallow volcano.

钍的存在，这是经常发现与硅酸盐混合，是一个特别浅的火山的告密者的标记。

The independent thorium minerals were floated out with iron-containing minerals during floatation.

在浮选过程中，钍的独立矿物与含铁的矿物一起浮选出去。

A few elements , among them uranium and thorium , spontaneously disintegrate into lighter elements by chances .

少数元素，其中有铀和钍，通过它们核的变化自然蜕变成较轻的元素。

Another post today discusses using thorium to help safeguard facilities from meltdowns.

当日发布的另一个帖子提出，用钍（Th）元素来帮助防止核设施溶解。

But when coal is burned into fly ash, uranium and thorium are concentrated at up to 10 times their original levels.

但是一旦燃烧成浮尘，铀和钍的浓度增长到原始水平的10倍。

Compared to uranium, thorium is far more abundant as well as much more energy-dense.

与铀相比，钍的储藏量更为丰富，能量密度也更高。

Potassium, phosphorus and thorium are other elements that lunar rocks have to offer a potential mining venture.

钾、磷、钍是月岩可向将来的采矿企业提供的其它元素。

Earth's interior in the nuclei of uranium and thorium will have been destroyed when the electrons and "anti-electron neutrino. "

地球内部的铀和钍的原子核在被破坏的时候会产生电子和“反电子中微子”。

The paper presents a design of passive heat-switch between pressure tube and calandria tube of Thorium-based Advanced Nuclear Energy System.

提出了一种用于钍基先进核能系统压力管与排管之间的非能动热开关设计方案。

They had been interested in thorium -- a radioactive element that can fuel nuclear reactors but not be processed into weapons.

他们很感兴趣钍-放射性元素，可以核反应堆燃料，但不计入武器处理。

By measuring the decay of radioactive uranium and thorium present in the encrusted speleothems, the geologists dated the layers.

通过对出现在洞穴堆积物外壳上的放射性铀和钍进行衰变测量，地质学家们确定了岩层的形成时期。

Unlike most supernovae, this one spewed lots of elements far heavier than iron, including radioactive thorium and uranium.

这颗晕星不同于大多数超新星，它吐出的许多元素比铁还重，其中包括放射性钍和铀。

Calculations suggest, for instance, that in the nucleus of the isotope thorium-229 is a transition that should emit ultraviolet rays.

举例来说，计算表明，钍-229的原子核内存在着能发出紫外线的转变过程。

The team's measurement of thorium revealed the overall abundance pattern of heavy elements for this object.

该队的测量发现钍的总体格局丰富的重元素，为这个目的。

Thorium fuel performance in a tight-pitch light water reactor lattice.

轻水堆紧密螺纹栅格的钍燃料性能…[中国核科技信息与经济研究院]。

The use of thoria (thorium dioxide) as an agent was rapidly stopped as thorium causes liver cancer.

而使用氧化钍（二氧化钍）作为代理人迅速停止钍导致肝癌。

The borax plays the role of separating radioactive materials-uranium and thorium from the zircon sand.

硼砂对放射性物质—铀和钍起到从锆英砂中分离的作用。

They recognized that in a thorium province Pb208 would present complications.

他们承认，含钍区内的Pb208会产生干扰。

There are a number of different ways to use thorium to produce electricity.

用钍发电有许多不同的方式。