natural uranium in a sentence

Examples

1. They discovered significant neutron multiplication in natural uranium, proving that a chain reaction might be possible.
2. The pile would use natural uranium as fuel.
3. Producing a fission chain reaction in natural uranium fuel was found to be far from trivial.
4. Pressurized heavy water reactors ( PHWR ) running on natural uranium have a conversion ratio of 0.8.
5. These reactors use natural uranium, rather than the enriched form, which is hard to make and costly.
6. What is left over is pure depleted uranium-238, which is about half as radioactive as natural uranium.
7. It also has about 1 . 5 tons of natural uranium ore, which has not been enriched.
8. The fission reactions of the natural uranium tamper were quite dirty, producing a large amount of fallout.
9. Natural uranium is made up of a mix of isotopes, or different forms of the same element.
10. Natural uranium is about 0.7 percent uranium-235.