nuclear-reactors

It accumulates in the cooling water of nuclear reactors and is often vented in small amounts to the environment. Its half-life is 12 years.

Graham grew up outside of Pittsburgh, where his father, a physicist, designed nuclear reactors and his mother raised Graham and his sister.

The country currently has 11 nuclear reactors supplying about 1% of its power, but wants to see that contribution rise to at least 5%.

The workers at the Fukushima Daiichi nuclear plant are trying to cool down the fuel rods inside the nuclear reactors.

Nuclear reactors might be used to melt frozen gases and eventually build up the atmosphere.

Australia has no nuclear reactors, none under construction, none planned, nor any nuclear industry whatsoever beyond uranium mining.

The defences around the plant's nuclear reactors were wrecked by an earthquake and tsunami in March.

Engineers are trying to prevent meltdowns by flooding the chambers of the nuclear reactors with sea water.

Some nuclear reactors are used to produce the heat that runs machines for ships and for electric power plants .

Since the two nuclear reactors of polluted water pipe burst, causing part of the high pollution of water into the sea.

But Moscow needs Western nuclear safety technology to bring its own nuclear reactors up to world standards, which provides some leverage.

Japan now has 54 nuclear reactors, ranking third in terms of energy output behind the United States and France.

"We have approximately 104 unique nuclear reactors in the United States, " he said.

"The possibility for China to shut down operating nuclear reactors during the present inspections is very small, " he said.

There was no immediate report of damage or setbacks to the effort to bring the nuclear reactors under control.

Had the nation not panicked, it would now have many more nuclear reactors, making the shift to a low-carbon economy significantly easier.

Opponents of the planned set of nuclear reactors vow they will press forward with a mass rally set to culminate in Jaitapur next Monday.

None was available to the general public anymore. Those sites included two devoted to pipelines, one to nuclear reactors and one to dams.

A number of oil refineries caught fire along the northeast coast and at least 11 nuclear reactors have been closed.

This will result in a greater reliance on renewable energy, more nuclear reactors and a continuing shift from coal to gas, it says.

In addition, the time when the reactor starts up in iodine pit is a very important factor for nuclear reactors safety.

As the battle to make safe the Fukushima nuclear reactors continues, the political fallout is spreading across Japan and around the world.

The United States should use the occasion to reexamine the safety of its operating nuclear reactors, especially the older ones.

The implication was that Japan's nuclear reactors could not cope with earthquakes.

Japan has asked for international help as it battles to cool nuclear reactors at a power station damaged in Friday's earthquake and tsunami.

In 1967, Iran in Tehran, the United States help build nuclear reactors, highly enriched uranium provided by the United States as a fuel.

Many countries in the world began to review the safety of their nuclear reactors after Japan's nuclear crisis.

On Monday, Switzerland joined Germany in saying that it would reassess the safety of nuclear reactors and possibly reduce reliance on them.

But Pyongyang later said it first wants to be provided with light-water nuclear reactors for civilian energy production.

The site, about 20 miles from Avignon, has no nuclear reactors, the authority said.

Nuclear power is the use of nuclear fission in nuclear reactors to generate electricity by the release of the way the heat.

The next test of the nuclear vendors' mettle will be the bidding this year to build four nuclear reactors in Vietnam.

Fukushima's nuclear reactors had been built to withstand the worst, including earthquakes and tsunamis.

In fact the JRC analysis says it has already overtaken France, which uses nuclear reactors to generate 80% of its electricity, and Spain.

Liquid helium cools infrared detectors, nuclear reactors, and the superconducting magnets used in MRI machines, too.

Electricity can be produced by wind, sunlight, biomass or nuclear reactors, and cars can be powered by biofuels and electricity.

But in nuclear reactors, which contain far less fissionable material, the chain reaction and the release of energy are carefully controlled.

Nuclear reactors emit almost none of the greenhouse gases responsible forglobal warming.

Now they've declared five nuclear emergencies for each of these five nuclear reactors.

Cooling systems are used in automobiles, industrial plant machinery, nuclear reactors, and many other types of Buildings.

The German government shut down seven nuclear reactors right after the Japanese accident.

The physicist worked as a technical assistant experimenting with nuclear reactors, using uranium.

More as a result of these hold ups than earthquake damage, only 19 of Japan's 54 nuclear reactors are now in operation.

In 2008 the previous Labour government approved the building of a new generation of nuclear reactors.

A company backed by Microsoft chairman Bill Gates is in talks with Japan's Toshiba to develop a new generation of nuclear reactors.

Many companies have been banking on demand from China as a prime source of new nuclear reactors.

Varyag no longer has the nuclear reactors that were installed by the Ukrainian state-run Generating Systems of Crimea.

To that end, ministers hope to encourage a mix of nuclear reactors and wind-, wave- and solar-powered electricity.

Two nuclear reactors at a power plant in Virginia went off line, while traffic lights were knocked out throughout Washington.

Tepco confidently built six nuclear reactors the Fukushima complex overlooking a fault zone, where earthquakes and tsunamis can happen.

The submarines are powered by nuclear reactors and carry as many as 16 ballistic missiles with nuclear warheads . The U.

The United States have the first complete nuclear power plant and industrial nuclear reactors.

North Anna Nuclear Power Plant in Virginia auto power off, shut down two nuclear reactors , was a panic.

"Monster masts" provoke almost as much opposition as nuclear reactors.

Low- phosphor low-sulfur pig iron supplied by Benxi Steel Co. is the best choice for manufacturing nuclear reactors.

Japan isn't the only nation grappling with aging nuclear reactors.

Today's third-generation nuclear reactors anticipate the possibility of failed cooling systems and hydrogen pressure build-ups.

Beijing is apparently not too concerned about outdated technology when it comes to exporting nuclear reactors, either.

Nuclear reactors are net positive in terms of supporting the grid.

Until that money comes through, fragile nuclear reactors should not be our only worry.

The nuclear reactors are designed to shut down automatically in an earthquake.

They had been interested in thorium -- a radioactive element that can fuel nuclear reactors but not be processed into weapons.

Nuclear engineers may design nuclear reactors, power systems for sea vessels and spacecraft, or nuclear weapons systems.

The quality and safety of Soviet-built nuclear reactors is a subject thatwill soon be close to home for some Americans.

Failure of the cooling system of nuclear reactors and spent fuel pool will not lead to a sudden rise in temperature.

Chemistry 2002: international conference on water chemistry in nuclear reactors systems-operation optimization and new development.

Russia and India have signed an agreement to build civilian nuclear reactors in India during a visit by the Russian president to New Delhi.

China now has an unusually varied fleet of nuclear reactors, using French, American, Russian and homegrown technology.

Of course, far more damaging has been the incredible series of mishaps, poor planning, and blunders in dealing with the nuclear reactors.

India's domestic uranium mineral is limited to only domestic raw materials required for civilian nuclear reactors about half.

Fires, explosions at the plant have threatened the stability of the nuclear reactors.

The two signed an agreement in which Russia promised to build two nuclear reactors in Venezuela and buy oil assets.

Seven German nuclear reactors which were officially safe until mid-March have been shut down.

The conclusions are very important to the maneuverability and operation safety of ship nuclear reactors.

Helium may also prove crucial as a working fluid or even a fuel in future nuclear reactors.

Beijing is helping Pakistan build civilian nuclear reactors and has funded the construction of roads, rails and ports.

The invention applies, in particular, to steam generators of pressurized water nuclear reactors.

The price of coal is not relevant to discussions about the relative efficiency of nuclear reactors.

First of all, nuclear reactors emit hydrogen gas by reducing the internal pressure, poured into water to continue to provide space cooling.

The service network (sfk) for the Bavarian remote monitoring system for nuclear reactors.

The nuclear reactors are being developed by the French naval defense company DCNS, which have dubbed their innovation the Flexblue.

China says it will evacuate its citizens from areas worst affected by Japan's earthquake and subsequent damage to nuclear reactors.

All of this seems incredible without stopping to consider that one or two nuclear reactors are incorporated into the ship's design.

Tehran insists its efforts are entirely peaceful and are producing fuel for civilian nuclear reactors.

Podowski and others said most of the existing U. S. nuclear reactors are reaching the end of their lifespans.

He says the priority remains stabilizing the nuclear reactors at Fukushima and restoring safety.

He says the priority remains stabilising the nuclear reactors at Fukushima and restoring safety.

The Issue: Cooling Water surrounds the nuclear reactors, cooling them, explains the BBC's Richard Black.

Chernobyl should not be used as a reason for halting all nuclear reactors.

It also plans to build two nuclear reactors in Texas, for which it is likely to receive loan guarantees from the federal government.

The agreement paves the way for French companies to sell advanced nuclear reactors to India for generating electricity.

At present, though, our greatest concern is the crisis at the nuclear reactors in Fukushima.

The European Union also has ordered so-called stress tests for all the region's nuclear reactors.

India and France signed a deal on co-operation in energy, paving the way for the sale of French nuclear reactors to India.

The Russians, however, were never licensed by the IAEA for nuclear reactors.

Many nuclear power plants and nuclear reactors after the devastating earthquake in the has been automatically stopped.

In this remote part of China, it seems ludicrous to imagine satellites and nuclear reactors.

Public opinion has accepted nuclear reactors as a fact of life.

A neural network controller for load Following operation of nuclear reactors.

That leaves China poised to build more nuclear reactors in the coming years than the rest of the world combined.

At the moment 439 nuclear reactors in 31countries supply 15% of the world's electricity.

Selection of materials as diluent for burning of plutonium fuels in nuclear reactors.

China, the world's biggest builder of nuclear reactors, on Wednesday froze applications for new plants pending a review of safety.

Nuclear reactors are protected by what plant designers call "defence in depth" .

The officials were eager to convince us of the safety of the nuclear reactors .

France will also launch a series of checks to assess the safety of its nuclear reactors.

Not really. As I see it, nuclear reactors are a clean and safe source of electricity.

I always thought nuclear reactors were an absolute no-go for environmentalists.

The United Arab Emirates Sunday awarded a South Korean consortium a $20b deal to build nuclear reactors.

Some physicists hope to detect neutrinos given off by secret nuclear reactors.

And the country is pushing equally hard to build nuclear reactors and the most efficient types of coal power plants.

What happened to the nuclear reactors during the quake?

When the earthquake hit, the nuclear reactors all automatically shutdown.

Technetium-99, a fission product of nuclear reactors that emits gamma rays, is the most-used tracer isotope in nuclear medicine.

Beryllium metal, particularly in alloys, has many structural and thermal applications; it is used in nuclear reactors.

The Chinese have standardized the design of nuclear reactors in use in Guangdong, he says, and most of the components are made locally.

Centrifuges spin extraordinarily fast to capture the rare isotope of uranium that can fuel atom bombs or nuclear reactors.

Switzerland has five nuclear reactors, which produce about 40 percent of the country's energy needs.

The zone is also home to a number of nuclear reactors the Chinese military uses for arms development.

Water has also been desalinated using nuclear reactors in India and Japan.

Caesium- 134 is produced in nuclear reactors, not directly by fission, but by the reaction.

When the earthquake hit with 8. 9, the nuclear reactors all went into automatic shutdown.

Major power outages, in part because of damaged nuclear reactors, and disruptions in supply networks contributed to the paralysis.

The two reactors at the Tianwan nuclear power station are the largest nuclear reactors ever built in China.

But nuclear reactors aren't only about national energy policy.

Should America be building new nuclear reactors?

Japan's government says two-stage "stress tests" will be carried out at all of the country's nuclear reactors.

If the deal gets the green signal from the NSG, then India will be free to buy nuclear reactors and fuel from any of the 45 countries.

China said it will continue with plans to build about twenty-five new nuclear reactors.

China now has 11 nuclear reactors in operation, with a total nuclear power installed capacity of 9. 08 gW.

In 2009, the state news agency Xinhua reported that all but two of the 22 nuclear reactors under construction applied CPR-1000 technology.

Husab has an estimated 367. 3m lbs of uranium resources, the fuel used to power nuclear reactors.

Japan's electricity is supplied mainly by 10 regional utilities, nine of which operate nuclear reactors.

The authors propose the development of multiple sites that would service the regions where nuclear reactors are located.

Sweden, a nuclear reactor turbine room on fire, 23 nuclear reactors shut down.

COGEMA became Areva after a merger with Framatome, a maker of nuclear reactors, in 2001.

The 31-year old Carl Vinson is powered by two nuclear reactors and travels at more than 30 nautical miles per hour.

Well the good news is that the developing world, but frankly, the whole world, is busy building, and starting to build, nuclear reactors.

At present, in China, the nuclear main pumps in all the nuclear reactors in operation and construction rely on imports.

And now there is the threat of further harm from badly damaged nuclear reactors.

These elements have become very important because of their use as fuels for nuclear, reactors.

The nation also had 11 nuclear reactors, and approved for the construction of another 14.

The vast majority of Japan's 54 nuclear reactors suffered no damage in the quake.

Was opposed to nuclear reactors.

Thorium-based molten salt nuclear reactors for the future!

All nuclear reactors rely on nuclear fission, a process that was discovered in the 1930s.

Behind this door you will find four nuclear reactors.

The deal marks the first time South Korea will export its nuclear reactors.

Before the tsunami in March nuclear reactors provided 30% of Japan's power.

The nuclear reactors were installed for producing electricity and they are no fools, they are aware of the dangers.

At present 35 of Japan's 54 nuclear reactors are shut, mostly for routine safety inspections.

"The world has forgotten how to build nuclear reactors as it hasn't built any in the last 20 years. "

At the end of August 2009, China had 16 nuclear reactors but had a capacity for 15, 220, according to the IEA's World Energy Outlook.

And the country ispushing equally hard to build nuclear reactors and the most efficienttypes of coal power plants.

Japan's 54 nuclear reactors provide about 30% of the country's electricity, according to the World Nuclear Association.

Yes. I am . They said the radioactive dust from the exploded nuclear reactors in Japan would be blown to the States soon.

The reason why the linings of nuclear reactors degrade is that metals can become brittle and weak when they are exposed to radiation.

Liquid sodium is used as a heat transfer medium in some types of nuclear reactors.

Berlusconi's government plans to begin construction in 2014 4 nuclear reactors in order to put into operation in 2020.

The proposal, blocked in the Senate, would preserve $18. 5bn for new nuclear reactors, but only $1. 5bn for all other technologies.

Like other buildings in Japan, nuclear reactors must be able to withstand earthquakes.

All of China's 13 nuclear reactors are operating normally.

EDF, which owns and operates France's 59 nuclear reactors, is expected to win management contracts in China.

Russia has signed a contract with China to build two new nuclear reactors in China's Tianwan complex.

How many Western nuclear reactors could withstand an impact like that?

Of Japan's 54 nuclear reactors, 43 are currently offline.

French company has agreed to build two third-generation nuclear reactors in China.

And over the past 20 years, the world has brought 90 nuclear reactors online.

The red line is what is done in most nuclear reactors. It's called the open fuel cycle.

Nuclear reactors in Japan are designed to turn off automatically anytime a disaster knocks out the electric grid.

These are mobile nuclear reactors.

However, the analysis points to uncertainties and ongoing challenges posed by the unfolding situation involving nuclear reactors in Japan.

I'm sure many of you are already familiar with their work in China where they're focused on four next generation nuclear reactors.

But there are 442 nuclear reactors in the world needing 180m lb of uranium each year and in 2005 only 110m lb was produced.

Countries across Asia and beyond are reporting small amounts of radiation from the disabled nuclear reactors in Japan.

W million, for example, Java, an area of only one-third of South Korea, there are 20 nuclear reactors.

More than 20 are in China, which is forecast to surpass America and have the most nuclear reactors around 2030.

Nuclear problems are particularly troubling in Japan, which has 56 nuclear reactors, providing about 20% of the nation's electricity.

According to the IAEA, there are 64 nuclear reactors under construction worldwide, 27 of them in China and 11 in Russia.

Specification for radiation detectors for the instrumentation and protection of nuclear reactors: characteristics and test methods

BILLION: The Qinshan Nuclear Power Phase II will add to the Qinshan plant and have the most nuclear reactors of any site in the world

The nuclear industry: Unexpected reaction | The Economist The handful of firms that build nuclear reactors face new competition

Neutron Reaction Rate Distributions and Reactivity of Nuclear Reactors, Determination of

Standby-failure Model for Failure Rate Estimation of Engineered Safeguards Features in Nuclear Reactors

Initiating Event Analysis for Probability Safety Assessment of Marine Nuclear Reactors

Radiation Monitoring Systems for Light Water Nuclear Reactors, Location and Design Criteria for Area

There is little public appetite across the world for building new nuclear reactors, a poll for the BBC indicates. BBC

New generation elastic neutron absorber systems for new and existing design nuclear reactors

Standard Practice for Testing Graphite and Boronated Graphite Components for High-Temperature Gas-Cooled Nuclear Reactors

In-core instrumentation for neutron fluence rate measurements in nuclear reactors

Study of Advanced Evaluation System Based on a Fuzzy AHP Method for Nuclear Reactors

Practice for Testing Graphite and Boronated Graphite Components for High-temperature Gas-cooled Nuclear Reactors

Theoretical Analysis on Flow-Induced Random Responses of Core Barrel of Nuclear Reactors

Determination of Thermal Energy Deposition Rates in Nuclear Reactors

Dynamical Characteristics Analysis of Core Barrel of Nuclear Reactors in Air and Still Water

Periodic tests and monitoring of the protection system of nuclear reactors

Hydraulic control rod drive technology for nuclear reactors

Seismic Analysis of Liquid Storage Container in Nuclear Reactors

moderating materials for nuclear reactors

Introduction of Advanced Nuclear Reactors in the Decade

Russia, India Sign Agreement to Build Civil Nuclear Reactors

Friction Performance of Three Kinds of Graphite Used in Nuclear Reactors

The development of a period monitor for nuclear reactors

China is also engaged in the world's most rapid expansion of nuclear power. It is expected to build some 50 new nuclear reactors by 2020;

french company agrees to build two nuclear reactors in china