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searching for Isotopes of uranium 32 found (60 total)

Uranium–uranium dating (432 words) [view diff] exact match in snippet view article find links to article

Uranium–uranium dating is a radiometric dating technique which compares two isotopes of uranium (U) in a sample: uranium-234 (234U) and uranium-238 (238U). It is

Kellex Corporation (730 words) [view diff] case mismatch in snippet view article find links to article

enriched uranium through gaseous diffusion. In gaseous diffusion, isotopes of Uranium-235 could be separated from Uranium-238 by turning uranium metal

Plutonium-239 (2,077 words) [view diff] exact match in snippet view article find links to article

nuclear reactors by transmutation of individual atoms of one of the isotopes of uranium present in the fuel rods. Occasionally, when an atom of 238U is exposed

Atomic vapor laser isotope separation (1,128 words) [view diff] exact match in snippet view article find links to article

is a method by which specially tuned lasers are used to separate isotopes of uranium using selective ionization of hyperfine transitions. A similar technology

Edward J. Lofgren (382 words) [view diff] exact match in snippet view article find links to article

to help on adapting and using the 37-inch cyclotron to separate isotopes of uranium for the atomic bomb project. Later, he went to Los Alamos, where

Molecular laser isotope separation (494 words) [view diff] exact match in snippet view article find links to article

isotope separation, where specially tuned lasers are used to separate isotopes of uranium using selective ionization of hyperfine transitions of uranium hexafluoride

List of Cornell Manhattan Project people (788 words) [view diff] exact match in snippet view article find links to article

Benedict – developed the gaseous diffusion method for separating the isotopes of uranium and supervised the engineering and process development of the K-25

Paul Hugh Emmett (1,683 words) [view diff] exact match in snippet view article find links to article

Project during World War II. He spearheaded the research to separate isotopes of uranium and to develop a corrosive uranium gas. Emmett also made significant

History of mass spectrometry (2,961 words) [view diff] exact match in snippet view article find links to article

spectrometers were used in the Manhattan Project for the separation of isotopes of uranium necessary to create the atomic bomb. Prout's hypothesis was an early

Calutron (7,635 words) [view diff] exact match in snippet view article find links to article

mass spectrometer originally designed and used for separating the isotopes of uranium. It was developed by Ernest Lawrence during the Manhattan Project

Sorting (778 words) [view diff] exact match in snippet view article find links to article

Materials that are different, but only slightly so, such as the isotopes of uranium, are very difficult to separate. Optical sorting is an automated

Manson Benedict (549 words) [view diff] exact match in snippet view article find links to article

engineering. He developed the gaseous diffusion method for separating the isotopes of uranium and supervised the engineering and process development of the K-25

Breeder reactor (8,717 words) [view diff] exact match in snippet view article find links to article

consumes. These reactors can be fueled with more-commonly available isotopes of uranium and thorium, such as uranium-238 and thorium-232, as opposed to the

Nuclide (1,698 words) [view diff] exact match in snippet view article find links to article

radioactive decay. They occur in the decay chains of primordial isotopes of uranium or thorium. Some of these nuclides are very short-lived, such as

Calutron Girls (1,789 words) [view diff] exact match in snippet view article find links to article

U235. Scientists developed several processes for separating the isotopes of uranium, including electromagnetic separation and gaseous diffusion. The

Separation of isotopes by laser excitation (2,396 words) [view diff] case mismatch in snippet view article find links to article

United States of America concerning Technology for the Separation of Isotopes of Uranium by Laser Excitation [SILEX Agreement], which allowed cooperative

Burnup (1,951 words) [view diff] exact match in snippet view article find links to article

more difficult than separating fissionable from non-fissionable isotopes of uranium, not least because the mass difference is one atomic unit instead

Seth Neddermeyer (1,652 words) [view diff] exact match in snippet view article find links to article

was even more difficult to separate from plutonium-239 than the isotopes of uranium that were giving the rest of the Manhattan Project such difficulties

Thomas Russell Wilkins (299 words) [view diff] case mismatch in snippet view article find links to article

Nature 117 (1926): 719–720. doi:10.1038/117719b0 with W. M. Rayton: "Isotopes of Uranium." Nature 130 (1932): 475–476. doi:10.1038/130475b0 with H. St Helens:

Gas centrifuge (2,296 words) [view diff] exact match in snippet view article find links to article

Diagram of a gas centrifuge with countercurrent flow, used for separating isotopes of uranium.

John Wilson Moore (824 words) [view diff] exact match in snippet view article find links to article

been working on the project of developing a centrifuge to separate isotopes of uranium for the Manhattan Project. A second war project assignment, making

Alfred O. C. Nier (1,302 words) [view diff] exact match in snippet view article find links to article

1938 publication of measurements of the relative abundance of the isotopes of uranium, measurements that were used by Fritz Houtermans and Arthur Holmes

Decay heat (1,562 words) [view diff] exact match in snippet view article find links to article

a significant input to Earth's internal heat budget. Radioactive isotopes of uranium, thorium and potassium are the primary contributors to this decay

Uranium acid mine drainage (1,339 words) [view diff] exact match in snippet view article find links to article

alpha particles and gamma radiation. The three different radioactive isotopes of uranium are uranium-238, uranium-235, and uranium-234. Each has a different

Nuclear chain reaction (4,673 words) [view diff] exact match in snippet view article find links to article

created as a byproduct of neutron interaction between two different isotopes of uranium. The first step to enriching uranium begins by converting uranium

Enriched uranium (4,983 words) [view diff] exact match in snippet view article find links to article

laser isotope separation employs specially tuned lasers to separate isotopes of uranium using selective ionization of hyperfine transitions. The technique

Norwegian heavy water sabotage (4,441 words) [view diff] exact match in snippet view article find links to article

weapons-grade material; it is particularly difficult to acquire fissile isotopes of uranium-235 (235U) or 239Pu. Weapons-grade uranium requires mining, extracting

Sensitive high-resolution ion microprobe (2,508 words) [view diff] exact match in snippet view article find links to article

secondary ions are accelerated along the instrument where the various isotopes of uranium, lead and thorium are measured successively, along with reference

Thorium fuel cycle (3,688 words) [view diff] exact match in snippet view article find links to article

In a reactor, when a neutron hits a fissile atom (such as certain isotopes of uranium), it either splits the nucleus or is captured and transmutes the

University of Minnesota (11,121 words) [view diff] exact match in snippet view article find links to article

Atomic bomb – Alfred O. C. Nier devised a method to isolate the isotopes of uranium, a critical discovery in the atomic age. Nier worked with Kellex

Tube Alloys (9,434 words) [view diff] exact match in snippet view article find links to article

thermal diffusion, which worked based on the principle that different isotopes of uranium diffuse at different speeds because of the equipartition theorem

List of Australian bilateral treaties (37,028 words) [view diff] case mismatch in snippet view article find links to article

United States of America concerning Technology for the Separation of Isotopes of Uranium by Laser Excitation [SILEX Agreement], Agreed Minute and Exchange