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nuclear and reactors
Most americium is produced by bombarding uranium or plutonium with neutrons in nuclear reactors – one tonne of spent nuclear fuel contains about 100 grams of americium.
The major isotope of berkelium, berkelium-249, is synthesized in minute quantities in dedicated high-flux nuclear reactors, mainly at the Oak Ridge National Laboratory in Tennessee, USA, and at the Research Institute of Atomic Reactors in Dimitrovgrad, Russia.
It is also used as a lubricant and a pigment, as a molding material in glass manufacture, in electrodes for dry batteries and in electroplating and electroforming, in brushes for electric motors and as a neutron moderator in nuclear reactors.
The site served as a plutonium production complex, with nine nuclear reactors and related facilities located on the banks of the river.
The nuclear reactors were decommissioned at the end of the Cold War, and the Hanford site is now the focus of the world's largest environmental cleanup, managed by the Department of Energy under the oversight of the Washington Department of Ecology and the Environmental Protection Agency.
Most curium is produced by bombarding uranium or plutonium with neutrons in nuclear reactors – one tonne of spent nuclear fuel contains about 20 grams of curium.
For example, californium can be used to help start up nuclear reactors, and it is employed as a source of neutrons when studying materials with neutron diffraction and neutron spectroscopy.
Caesium is mined mostly from pollucite, while the radioisotopes, especially caesium-137, a fission product, are extracted from waste produced by nuclear reactors.
Kuiper belt objects are known to be rich in organic compounds such as tholins, so some form of life existing on their surfaces is not entirely implausible – though perhaps not going so far as to develop natural internal nuclear reactors, as have Forward's.
This is the principle for nuclear reactors and atomic bombs.
Dysprosium is used for its high thermal neutron absorption cross-section in making control rods in nuclear reactors, for its high magnetic susceptibility in data storage applications, and as a component of Terfenol-D. Soluble dysprosium salts are mildly toxic, while the insoluble salts are considered non-toxic.
Because of dysprosium's high thermal neutron absorption cross-section, dysprosium oxide-nickel cermets are used in neutron-absorbing control rods in nuclear reactors.
The Old Guard agreed with Ike however on the development and ownership of nuclear reactors by private enterprises, which the democrats opposed.
In the coastal town of Paldiski, the removal of waste left by Soviet army nuclear reactors was also a major concern.
Its most common isotope einsteinium-253 ( half life 20. 47 days ) is produced artificially from decay of californium-252 in a few dedicated high-power nuclear reactors with a total yield on the order of one milligram per year.
Fluid-based magnetohydrodynamic ( MHD ) power generation has been studied as a method for extracting electrical power from nuclear reactors and also from more conventional fuel combustion systems.
Fermi's group soon made the discovery of slow neutrons, which was to prove pivotal for the working of nuclear reactors.
The radiation process is unrelated to nuclear energy, but it may use the radiation emitted from radioactive nuclides produced in nuclear reactors.
Gadolinium as a metal or salt has exceptionally high absorption of neutrons and therefore is used for shielding in neutron radiography and in nuclear reactors.
Hafnium's large neutron capture cross-section makes it a good material for neutron absorption in control rods in nuclear power plants, but at the same time requires that it be removed from the neutron-transparent corrosion-resistant zirconium alloys used in nuclear reactors.
In contrast with this, zirconium is practically transparent to thermal neutrons, and it is commonly used for the metal components of nuclear reactors – especially the claddings of their nuclear fuel rods.

nuclear and were
A great many writers are bewitched by the apparently overwhelming advantage an attacker would have if he were to strike with complete surprise using nuclear rockets.
In contrast to the nuclear changes described above, another change in muscle nuclei was seen, usually occurring in fibers that were somewhat smaller than normal but that showed distinct cross-striations and myofibrillae.
Policies on nuclear test ban negotiations were reviewed and changed.
-- Vital secrets of Britain's first atomic submarine, the Dreadnought, and, by implication, of the entire United States navy's still-building nuclear sub fleet, were stolen by a London-based soviet spy ring, secret service agents testified today.
A year later, Lise Meitner and her nephew Otto Frisch verified that Hahn's result were the first experimental nuclear fission.
* In November 2000, nuclear spin temperatures below 100 pK were reported for an experiment at the Helsinki University of Technology's Low Temperature Lab.
The Soviets were threatened because the Americans might have been able to make a nuclear first strike possible.
An ASROC missile could hypothetically carry a 10 kiloton W44 nuclear warhead, although the W44-armed nuclear weapons were retired by 1989, and all types of nuclear depth bombs were removed from deployment.
At the start of the Cold War, bombers were the only means to take nuclear weapons to enemy targets, and had the role of deterrence.
Once " stand off " nuclear weapon designs were developed, bombers did not need to pass over the target at high altitude to make an attack ; they could fire and turn away to escape the blast.
Although very small amounts of berkelium were possibly produced in previous nuclear experiments, it was first intentionally synthesized, isolated and identified in December 1949 by Glenn T. Seaborg, Albert Ghiorso and Stanley G. Thompson.
They were also vehemently opposed to unilateral nuclear disarmament, an increasingly popular policy amongst members of the party.
While ballistic missiles were the preferred weapons for land targets, heavy nuclear and conventional tipped cruise missiles were seen by the USSR as a primary weapon to destroy US naval carrier battle groups.
CND's declared policies were the unconditional renunciation of the use, production of or dependence upon nuclear weapons by Britain and the bringing about of a general disarmament convention.
Amongst the activities of the CPS were commissioning Gallup polls which showed the levels of support for British possession of nuclear weapons, providing speakers at public meetings, highlighting the left-wing affiliations of leading CND figures and mounting counter-demonstrations against CND.
Programmes of this sort were initially discussed at least as early as the 1920s and were implemented in many countries, but only became widespread in the USA after the threat of nuclear weapons was realised.
There were several serious confrontations between the U. S. and Denmark on security policy in the so-called " footnote era " ( 1982 – 88 ), when an alternative parliamentary majority forced the government to adopt specific national positions on nuclear and arms control issues.

nuclear and located
We simply can't tolerate further Russian weapons, including the possibility of long-range nuclear missiles, being located in Cuba.
* Civil Defense Caves – Cold War community getaway in case of nuclear war located in Idaho
Since the nuclear pores are located in an area of high traffic, they play an important role in the physiology of cells.
Godzilla, running low on radioactive energy after his fights with the Super X II and Biollante, heads towards the nearest operational nuclear reactor, which is located in Tsuruga, on the other side of the country.
Since 1960, the U. S. and Japan have maintained an agreement that allows the U. S. to secretly bring nuclear weapons into Japanese ports, and there is speculation ( see below ) that some nuclear weapons may be located in Okinawa.
Activated nuclear receptors attach to the DNA at receptor-specific hormone-responsive element ( HRE ) sequences, located in the promoter region of the genes activated by the hormone-receptor complex.
Steroid receptors are a subclass of nuclear receptors located primarily within the cytosol ; in the absence of steroids, they cling together in an aporeceptor complex containing chaperone or heatshock proteins ( HSPs ).
Spent nuclear fuel is shipped by rail to the Naval Reactor Facility in the Idaho National Laboratory ( INL ), located 42 miles ( 67 km ) northwest of Idaho Falls, Idaho, where it is stored.
* ligand binding – Not only is ligand binding able to influence where a transcription factor is located within a cell but ligand binding can also affect whether the transcription factor is in an active state and capable of binding DNA or other cofactors ( see, for example, nuclear receptors ).
Numerous exploding-bridgewire detonators located on the surface of the high explosive were fired simultaneously to produce a powerful inward pressure on the core, squeezing it and increasing its density, resulting in a supercritical condition and a nuclear explosion.
A site had to be located that would guarantee secrecy of the project's goals even as a nuclear weapon of unknown strength was detonated.
In general, elements of PAL systems are located deep within the nuclear device.
Middle Eastern terrorists have offered Dane $ 1 billion to destroy the Eastern seaboard by using Grazer One to target a nuclear reactor located under the Pentagon.
As vice president and general manager of GE's Nuclear Products Division in San Jose, California, he was responsible for the manufacture of nuclear fuel, reactor internal equipment, and control and instrumentation for GE boiling-water reactors at facilities located in San Jose and Wilmington, North Carolina.
* South Texas Nuclear Generating Station, aka South Texas Project, nuclear power station located southwest of Bay City, Texas
Also located within the county is Three Mile Island Nuclear Generating Station, site of the 1979 nuclear core meltdown.
The Nevada Test Site and proposed Yucca Mountain nuclear waste repository are located in the southwestern part of the county and are the focus of a great deal of political and public controversy in the state.
* Waterford Nuclear Generating Station, a nuclear power plant located 20 miles west of New Orleans, Louisiana
The film is about a New Jersey high school ( Tromaville High School ), which is conveniently located next to a nuclear power plant.
They pick leaves from a radioactive marijuana plant located in the yard of the nuclear plant and sell it to Eddie for $ 10.

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