Sentences with phrase «produce radioactive»

Growing interest in research using beams of short - lived radioactive ions led to another reconfiguration of the facility, with the ORIC serving as a driver accelerator to produce radioactive ion species that were then injected into and accelerated by the 25 - MV tandem.

All this would be of substantially less concern if New York were like most of the other states that produce some radioactive waste during natural gas drilling.

What is more, the uranium atoms that have already split in two produce radioactive by - products that themselves give off a great deal of heat.

Nuclear explosions produce radioactive substances that are rare in nature — like carbon - 14, a radioactive form of the carbon atom that forms the chemical basis of all life on earth.

It uses no fissionables and produces no radioactive waste.

Once the relatively clean - running nuclear plant is online, it produces radioactive waste in the form of spent fuel rods.

Not exact matches

It would use abundant raw materials and produce no emissions or radioactive waste.

The generation enjoying the benefits of producing chemical and radioactive waste should consider investing a portion of today's profits in an endowment fund, gathered perhaps from a pollution tax.

Because it is our generation that will benefit from the wealth produced by nuclear fission reactors, all our heirs will receive is our radioactive garbage.

They have difficulty in understanding why experts disagree, whether it be on the safety of particular procedures for disposing of radioactive wastes or on the chance of a herbicide producing deformities in new - born babies.

Heath said nuclear power produces spent fuel rods which are radioactive and require constant maintenance.

The issue was higher than normal radioactive contamination in the water that the fuel rods heat to produce steam.

Radon is a known cancer - causing radioactive gas and is found in the gas producing shale formations in Pennsylvania that are being piped into the City via the Spectra pipeline.

What's more, fewer neutrons would be produced, reducing the number of radioactive isotopes formed.

Among the surprising conclusions: the waste produced by coal plants is actually more radioactive than that generated by their nuclear counterparts.

«It's not only fracking fluids that pose a risk; produced water from conventional, or non-fracked, oil and gas wells also contains high levels of radium, which is a radioactive element.

«Our gel helps regain control of the radioactive material and produces 90 percent less waste than water,» claims Shaun McCabe, president of Asia - Pacific systems for CBI Polymers, which recently donated 100 five - gallon pails of its cleaner to the Fukushima cleanup effort and hopes to sell hundreds more there.

The Carnegie team focused on a rare isotope of titanium, titanium - 49, because this isotope is the product of radioactive decay of vanadium - 49 which is produced during supernova explosions and transmutes into titanium - 49 with a half - life of 330 days.

The International Monitoring System (IMS), established by the Comprehensive Nuclear - Test - Ban Treaty, has a number of different ears to the ground to detect clandestine nuclear weapons testing: seismic networks that listen for terrestrial shock waves, hydroacoustic networks that scan the oceans for sound waves, and radionuclide networks to sniff out radioactive particles that nuclear explosions produce.

Hydrogen gas produced by reactions in the repository could build up pressure that leads to radioactive gases escaping through fractures in the rock.

Since 129 - Xenon is produced by radioactive decay of 129 - Iodine, these xenon isotopes put a time stamp on the formation age of the ancient parcel of mantle to within the first 100 million years of Earth's history.

They studied boulders from the New Zealand site where the glacial wood had been found, measuring the concentrations in the rocks of radioactive isotopes beryllium - 10 and chlorine - 36, which are produced by nuclear reactions between minerals and cosmic rays.

The technology to produce this high beam intensity, and in particular to handle the radioactive products safely and reliably, is now available, and many facilities are in their design or construction phases around the world.

«We're responsible for producing radio tracers: radioactive drugs that we use to study the imitation, onset and progression of disease in people,» Schaffer says in a teaser video previewing his lecture.

However, the reaction also produces high - energy neutrons, which would damage whatever vessel the fusion reactor is in and render anything around them radioactive.

Antimatter flits into existence in a variety of ways: it is produced by black holes, supernovas, and some types of radioactive decay.

For every metric ton of uranium ore pulled from McArthur River, roughly one metric ton of waste rock, often radioactive and rich in toxic heavy metals, is produced — and other mines produce even more waste rock per ton of ore.

And yesterday, the collapse of a coal ash pond in Tennessee buried 12 houses and 400 acres — a reminder of the 129 million tons of radioactive and / or toxic waste left over after coal burning produced in the U.S. each year.

The findings, in the July 28 Nature, suggest that the origin of the 30 trillion to 45 trillion watts of heat produced by the earth's interior is about evenly divided between radioactive decay and leftover heat from the planet's molten formation.

The radioactive decay of radon gas produces alpha particles (consisting of two protons and two neutrons, an alpha particle is just the bare nucleus of a helium atom), beta particles (which are actually fast - moving electrons), and gamma rays (very energetic photons).

Scientists already know that the Procellarum region is rich in radioactive elements that billions of years ago would have produced excess heat.

«These include different types of MRI scans, which use strong magnetic fields and radio waves to produce detailed images of the inside of the brain, and Positron Emission Tomography (PET) scans, which use a small amount of a radioactive drug, or tracer, to test how tissues in the brain are actually functioning.

What's more, even the neutrinos being produced in the interior of the earth because some radioactive material is in there, and that's producing heat that's heating the interior of our planet.

The samples were labeled with radioactive isotopes, which meant that each individual base (the A, T, C, or G) produced a visual signature on film.

In a bid to restart discussion of what to do with the nation's nuclear waste, four U.S. senators today unveiled a draft plan to create a federal agency that would oversee short - and long - term storage of the highly radioactive materials produced primarily by commercial power reactors.

Another radioactive gas, krypton, was injected to help scientists distinguish between signals produced by ambient radioactivity and a potential dark matter signal.

Then they will load the trap into a van and drive it a few hundred metres to the site of a neighbouring experiment, known as ISOLDE, that produces rare, radioactive atomic nuclei that decay too quickly to be transported anywhere themselves.

But making an atom with 114 protons and 184 neutrons would require an intense beam of radioactive atoms, something that can't be produced with existing technology, says Michael Thoennessen of Michigan State University in East Lansing, who catalogues new isotopes.

These measurements may also shed light on the proportion of radioactive elements like uranium and thorium inside the Moon, since their decay produces heat and should increase the amount of heat radiated by the Moon, says Paul Spudis of the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland, US, who is developing radar instruments to fly on LRO and Chandrayaan - 1.

It is a naturally occurring isotope produced by the radioactive decay of thorium in sediments.

They made use of uranium - 233 as a source of Th - 229m, which is produced in the radioactive alpha decay of uranium - 233.

They sent soil samples for DNA testing, looking for matches with particular genes known to be found in microbes and fungi; they tried to stimulate microbial growth on a wide variety of substances and then count the cells produced; and they used highly sensitive radiorespiration activity assays, which involve feeding the soil microorganisms a food source which has been labelled with radioactive carbon, which can then be used to detect if the microorganisms are active.

Now, however, physicists with Daya Bay report data that support a much simpler explanation: Scientists are merely overestimating the number of neutrinos born from the various radioactive nuclei produced in the fission of one component of standard nuclear fuel.

A number of radiotherapies that marry a small but potent amount of radioactive material and a targeted molecular compound have been gaining traction as progressive treatments for malignant NETs, which can develop wherever nerve cells and hormone - producing endocrine cells are present (e.g., gastrointestinal tract, pancreas, lungs, thyroid).

The ratio of certain radioactive isotopes produced within such a reactor depends on alpha, and so looking at the fission products left behind in the ground at Oklo provides a way to work out the value of the constant at the time of their formation.

The immediate motivation for safe disposal is the radioactive waste stored currently at the Hanford Site, a facility in Washington State that produced plutonium for nuclear weapons during the Cold War.

More than 50 years later, scientists have found a way to use radioactive carbon isotopes released into the atmosphere by nuclear testing to settle a long - standing debate in neuroscience: Does the adult human brain produce new neurons?

The gamma rays would produce airborne radioactive isotopes such as carbon - 14 and beryllium - 10, which would fall to the ground.

Unfortunately, it also has an active seismic zone beneath the PF - 4 building, producing persistent worries among the staff and members of the Defense Nuclear Facilities Safety Board, a congressionally - chartered oversight group, that if it experienced a rare, large earthquake, the roof could collapse and toss chunks of plutonium so closely together a chain reaction would ensue, spewing radioactive, cancer - causing plutonium particles throughout nearby residential communities.

The tiny slowing of the two Pioneer spacecraft, known as the Pioneer anomaly and considered by some to challenge general relativity, is probably due to the heat produced by electronics and radioactive decay.