Sentences with phrase «heavier than uranium»

Elements heavier than uranium (with 92 protons), are not produced in nature but are made by scientists in labs.

Hunting for the universe's heaviest atoms just got a little easier, thanks to a new technique that directly measures the mass of elements heavier than uranium.

Most elements heavier than uranium, which has 92 protons, do not exist stably in nature and must

Fermi had arrived in the United States in January 1939, shortly after receiving the Nobel Prize in physics for his work on creating artificial elements heavier than uranium.

The balance of the material — the truly troubling part — is the transuranic component, elements heavier than uranium.

Most elements heavier than uranium are highly unstable and are hard to find in nature.

Not exact matches

For example, Uranium is a radioactive element heavier than radium.

Whether in the red giants, the medium yellows or the white dwarfs, we may surmise at the presence in the center of heavy and extremely unstable elements possessing a greater atomic weight than uranium (unless these are simply «ordinary matter» reduced to a physical state of extraordinary compression).

And the Americans chose to slow the neutrons emitted from their enriched uranium with more readily available graphite, rather than heavy water.

For ores that contain even less concentrated uranium — McArthur River is the most concentrated active mine — the proportion of waste in radium and other radioactive elements (as well as toxic heavy metals such as arsenic and mercury) is even higher — and McArthur River's uranium is much less concentrated than the mines of the past like nearby Rabbit Lake or Shinkolobwe in the Democratic Republic of the Congo's Katanga Province.

PHWRs are similar to PWRs, but use raw uranium rather than enriched uranium oxide as fuel, and deploy heavy water — in which hydrogen is replaced by deuterium — as both moderator and coolant.

One interesting feature of the synthesis of heavy elements by neutron capture at a high rate in a supernova explosion is that nuclei much heavier than lead or even uranium can be fashioned.

This also produced heavy elements that were not on earth before the flood (elements heavier than lead, such as bismuth, polonium, radon, radium, thorium, uranium, etc.) The greater the heat, the more heavy elements formed and absorbed that heat.