thorium的意思和读音

thorium

: ['θɔ:riəm] : ['θɔ:riəm]

n.

a

thoriumn.

1.a chemical element. Thorium is a white radioactive metal used as a source of nuclear energy.

n.1.

n.1.a soft silvery-white radioactive metallic element.2.Th

1. thorium thorium a a thorium acetate ...

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

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

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

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

5.Another post today discusses using thorium to help safeguard facilities from meltdowns.(Th)

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

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

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

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

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