# REDIRECT Enriched uranium

: See also: Enriched uranium

Enriched uranium was first manufactured in the early 1940s when the United States began its nuclear weapons program.

Enriched uranium is a type of uranium in which the percent composition of uranium-235 has been increased through the process of isotope separation.

Enriched uranium is a critical component for both civil nuclear power generation and military nuclear weapons.

* Enriched uranium

# REDIRECT Enriched uranium

Enriched uranium is the preferred fuel for light water reactors, a common nuclear power technology.

Enriched uranium contains more U-234 than natural uranium as a byproduct of the uranium enrichment process aimed at obtaining U-235, which concentrates lighter isotopes even more strongly than it does U-235.

# REDIRECT Enriched uranium # Highly enriched uranium ( HEU )

Enriched macaroni products with fortified protein – similar to enriched macaroni products with the addition of other ingredients to meet specific protein requirements.

At the Enriched Learning Center for Gifted Children, Bart feels out of place among the other students with advanced academic skills.

Enriched with the Latin American experience and tucked behind the success of the new job in France and other European countries, they began a world tour in 1990, leading them to visit more than fifteen countries, including: Japan, Holland, Germany and the United States, where they opened for Iggy Pop.

Enriched Air Nitrox diving tables, showing adjusted no-decompression times.

Enriched Air Nitrox, nitrox with an oxygen content above 21 %, is mainly used in scuba diving to reduce the proportion of nitrogen in the breathing gas mixture.

Enriched pasta also contains folic acid that is beneficial for child-bearing women.

Enriched macaroni products – is largely the same as macaroni products except that each such food must contain of thiamin, riboflavin, niacin or niacinamide, folic acid and iron, with specified limits.

Enriched nonfat milk macaroni products – similar to nonfat milk macaroni products with added requirements that products in this category contain thiamin, riboflavin, niacin or niacinamide, folic acid and iron, all within specified ranges.

Enriched vegetable macaroni products-the same as vegetable macaroni products with the added requirement for nutrient content specified for enriched macaroni products.

Enriched noodle products – similar to noodle products with the addition of specific requirements for amounts of thiamin, riboflavin, niacin or niacinamide, folic acid and iron, each within specified ranges.

Enriched vegetable noodle products – the same as vegetable noodle products excluding carrot, with the specified nutrient requirements for enriched noodle products.

Enriched by his success in England, Holbein bought a second house in the city in 1531.

He attended Seeds Elementary School and graduated from John Marshall High School a few blocks away, after attending the Los Angeles Center for Enriched Studies for four years.

* 1996: PADI releases their Enriched Air Diver Course.

Enriched by centuries of veneration, the temple was one of the three foremost places of worship in Ancient Egypt, the others being the great temples of Ra in Heliopolis, and of Amun in Thebes.

Enriched wheat flour, sugar, corn syrup, niacin, water, high fructose corn syrup, vegetable and / or animal shortening – containing one or more of partially hydrogenated soybean, cottonseed and canola oil, and beef fat, dextrose, whole eggs, modified corn starch, cellulose gum, whey, leavenings ( sodium acid pyrophosphate, baking soda, monocalcium phosphate ), salt, cornstarch, corn flour, corn syrup, solids, mono and diglycerides, soy lecithin, polysorbate 60, dextrin, calcium caseinate, sodium stearoyl lactylate, wheat gluten, calcium sulphate, natural and artificial flavors, caramel color, yellow # 5, red # 40.

Proportions of uranium-238 ( blue ) and uranium-235 ( red ) found naturally versus grades that are Enriched Uranium | enriched by separating the two isotopes atom-by-atom using various methods that all require a massive investment in time and money.

International Association of Nitrox and Technical Divers ( IANTD ) is a SCUBA diving organization concerned with certification and training in Enriched Air Nitrox diving, Technical diving and Free diving.

As it was the first program to offer certification in Enriched Air Nitrox, the company was kept at a slow, yet steady pace from 1985 through February 1992 with the support of Hyperbarics International.

The ingredients are as follows: Enriched wheat flour ( Niacin, Reduced Iron, Thiamine mononitrate, Riboflavin, Folic acid ), Corn Syrup, Sugar, Vegetable Shortening ( Contains Partially hydrogenated Soybean Oil and / or Cottonseed Oil and / or Coconut Oil and / or Palm kernel oil and / or Palm Oil ), Soy Flour, Dutched Cocoa ( Processed With Alkali ), Cocoa, Gelatin, Baking Soda, Lecithin, Salt, Artificial Flavoring, Sodium sulfite.

The Sherman Oaks Center for Enriched Studies ( SOCES ), formerly Sequoia Junior High School lies adjacent to Reseda Park ; it is not in or near the community of Sherman Oaks, its former location.

Enriched with a new and general method of determining the places where any transit of this planet, and especially that which will be June 3d, 1769, may be best observed.

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.

Of these 14 transient elements, 7 ( polonium, astatine, radon, francium, radium, actinium, and protactinium ) are relatively common decay products of thorium, uranium, and plutonium.

Elements heavier in atomic number than iron, as heavy as uranium and plutonium, are produced by explosive nucleosynthesis in supernovas and other cataclysmic cosmic events.

Also, three primordially occurring but radioactive actinides, thorium, uranium, and plutonium, decay through a series of recurrently produced but unstable radioactive elements such as radium and radon, which are transiently present in any sample of these metals or their ores or compounds.

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.

Meeting with Feklisov six times, he provided the results of the test at Eniwetok atoll of uranium and plutonium bombs and the key data on U. S. production of uranium-235.

Some metals have specialized uses ; radioactive metals such as uranium and plutonium are used in nuclear power plants to produce energy via nuclear fission.

The primary decay products before < sup > 237 </ sup > Np are element 92 ( uranium ) isotopes ( alpha emission produces element 91, protactinium, however ) and the primary products after are element 94 ( plutonium ) isotopes.

Neptunium, like protactinium, uranium, plutonium, and americium readily forms a linear dioxo neptunyl core ( NpO < sub > 2 </ sub >< sup > n +</ sup >), in its 5 + and 6 + oxidation states, which readily complexes with hard O-donor ligands such as OH < sup >–</ sup >, NO < sub > 2 </ sub >< sup >–</ sup >, NO < sub > 3 </ sub >< sup >–</ sup >, and SO < sub > 4 </ sub >< sup > 2 –</ sup > to form soluble anionic complexes which tend to be readily mobile with low affinities to soil.

The most common nuclear fuels are < sup > 235 </ sup > U ( the isotope of uranium with an atomic mass of 235 and of use in nuclear reactors ) and < sup > 239 </ sup > Pu ( the isotope of plutonium with an atomic mass of 239 ).

Several heavy elements, such as uranium, thorium, and plutonium, undergo both spontaneous fission, a form of radioactive decay and induced fission, a form of nuclear reaction.

Some nuclear reactors can operate with a mixture of plutonium and uranium ( see MOX ).

The first nuclear bomb used in war, Little Boy, relied on uranium fission, while the very first nuclear explosive ( The gadget ) and the bomb that destroyed Nagasaki ( Fat Man ) were plutonium bombs.

Despite international opposition to neighboring Iran ’ s nuclear developments, the US is confident of the UAE ’ s compliance with the Nuclear Non-proliferation Treaty and the International Atomic Energy Agency safeguards to refrain from enriching uranium and extracting plutonium.

Therefore, the uranium targets used to produce military plutonium must be irradiated for only a short time, to minimise the production of these unwanted isotopes.

It is also used with plutonium for making mixed oxide fuel ( MOX ) and to dilute, or downblend, highly enriched uranium from weapons stockpiles which is now being redirected to become reactor fuel.

Since uranium and plutonium are nuclear weapons materials, there have been proliferation concerns.

These isotopes are difficult to separate, and more cost-effective ways of obtaining fissile material exist ( e. g. uranium enrichment or dedicated plutonium production reactors ).

In pyrometallurgical fast reactors, the separated plutonium and uranium are contaminated by actinides and cannot be used for nuclear weapons.

The goal of the Manhattan Project activities in Oak Ridge was to separate and produce uranium and plutonium for use in developing a nuclear weapon.

X-10 was a demonstration plant for the process to produce plutonium from uranium by nuclear bombardment.

The Met Lab researchers worked on producing chain-reacting " piles " of uranium to convert it to plutonium and finding ways to separate plutonium from uranium.