Sentences with phrase «for radioactivity»

Interweaving the relative time scale with the atomic time scale poses certain problems because only certain types of rocks, chiefly the igneous variety Looking for radioactivity?

Emerging evidence also suggests that it binds with radioactive isotopes and may be useful for radioactivity exposure or radiation therapy.

(F) Mice were euthanized and the indicated tissues were dissected, homogenized, and assayed for radioactivity 20 minutes after injection.

«Screening truffles for radioactivity 30 years from Chernobyl.»

Arranging for building services to paint the lab, repair benches, or put up shelving; defining storage space and work areas; getting clearance for radioactivity areas or chemical storage — setting up your lab takes a lot of discipline, patience, and organization.

Scientists tested for radioactivity at eight different beaches within 100 kilometers of the plant, which experienced three reactor meltdowns when an earthquake and tsunami on March 11, 2011, knocked out its power.

Shepherd - Barron claimed users «would have to eat 136,000 checks» for the radioactivity to have any dangerous effects.

You should also steer clear of radioactive drugs, often used to treat thyroid cancer, as it may take weeks for the radioactivity to clear the breast milk.

Not exact matches

Local opponents of the storage, such as Tom Clements, director of SRS Watch, contend the facility was never built for holding plutonium and say there is a risk of leakage and accidents in which large amounts of radioactivity are released.

Its ordinarily limited radioactivity makes plutonium safe for terrorists or other thieves to transport with little risk of radiation injury.

In 1903, Curie was awarded the Nobel Prize in physics for her discovery of radioactivity.

Breastfeeding is contraindicated in infants with classic galactosemia (galactose 1 - phosphate uridyltransferase deficiency) 103; mothers who have active untreated tuberculosis disease or are human T - cell lymphotropic virus type I — or II — positive104, 105; mothers who are receiving diagnostic or therapeutic radioactive isotopes or have had exposure to radioactive materials (for as long as there is radioactivity in the milk) 106 — 108; mothers who are receiving antimetabolites or chemotherapeutic agents or a small number of other medications until they clear the milk109, 110; mothers who are using drugs of abuse («street drugs»); and mothers who have herpes simplex lesions on a breast (infant may feed from other breast if clear of lesions).

State health and environmental regulators have known for decades that at least 62 properties — most in Niagara County — contain varying degrees of radioactivity that tested at levels two to more than 10 times normal for the local environment.

The New York Democrat, in a posting on Medium, wrote there are «serious weaknesses» in the first decade of the agreement, including the provisions laid down for weapons inspections as well as a 24 - hour delay for inspections when detecting radioactivity.

Famous for: Chemist and Nobel Prize laureate who conducted pioneering research on radioactivity.

Older lead that has been underwater for centuries has had time to shed its radioactivity.

Every country has its own ways, and so it is very interesting to see how departments here deal with safety, or work with radioactivity or animals, for example.

Japan's nuclear plant crisis with the radioactivity contamination from spent fuel pools is likely to put an overdue spotlight on stalemated U.S. policies for managing reactor fuel, authors of a Massachusetts Institute of Technology report on the nuclear fuel cycle said yesterday.

It was a defining moment for what Curie would eventually call radioactivity.

The half - lives (the period in which radioactivity halves) of these atoms range up to tens of thousands of years, a feature that led U.S. government regulators to require that the planned high - level nuclear waste repository at Yucca Mountain in Nevada isolate spent fuel for over 10,000 years.

You can view videos of some past Perimeter physics lectures below: Strange, Dense Matter: The Power of Neutron Stars [Video] How Radioactivity Can Benefit Your Health [Video] The Promise of Optical Atomic Clocks: Watch Live Wednesday [Video] The Astonishing Simplicity of Everything [Video] The Man Who Explained the Atom [Video] The Future of Cosmology [Video] The Upgraded LHC and the Search for the Higgs Boson [Video] String Theory LEGOs for Black Holes [Video]

For instance, they can detect 1 milli Curie (mCi) of Cobalt - 60 (60Co) at a maximum distance of 3.5 metres, but are inefficient at measuring lower levels of radioactivity or at longer distances.

After the glass logs solidify the waste is trapped and should be isolated from the environment for long enough for most of the radioactivity to decay to safe levels.

This was enough to shut the facility down for recovery, but very little radioactivity — a few milliCuries — escaped into the environment.

And then there's the extreme radioactivity of the waste, which is far too high for direct human exposure.

Yes, we've all heard of Marie Curie's exploits with radioactivity (1890) and Rosalind Franklin's indispensable x-ray crystallography work toward the discovery of the DNA double - helix (1953), but how many of us know that Nettie Maria Stevens (1905) demonstrated that the X and Y chromosomes were responsible for determining the sex of an individual?

After working closely with her mother, Irène went on to win a Nobel prize for her work on artificial radioactivity in 1935, in collaboration with her own husband.

«A silent search for dark matter: The world's most sensitive dark matter detector demonstrates record low radioactivity levels.»

There is not enough radioactivity in the core to account for this, so scientists now speculate that the planet may either be shrinking at the rate of a few centimetres a year, or that the vast quantities of helium in the atmosphere are separating out from the hydrogen and slowly sinking.

He won the Nobel Prize for Physics in 1938 for inducing radioactivity in matter by slamming neutrons into atoms.

The tanks boiled for years with the heat of their own radioactivity — intense enough, it was believed, to destroy the «organics» like rubber, plastics and oils that were dumped in too.

I confess, I don't normally keep an eye out for the latest publications in the Journal of Environmental Radioactivity, but one recent paper on radioxenon measurements is of particular interest.This paper, as it turns out, is by one of the leading researchers in radioxenon testing, who happens to be a former professor and advisor of mine at The University of Texas at Austin.

Sheep being moved from a restricted area that are found to have radioactivity higher than 1000 becquerels per kilogram are deemed ineligible for slaughter for their meat, and are marked with paint.

Won a share of two Nobel prizes for her work on radioactivity (25.1 % of the vote)

Now, you want me to use them to look for the [radioactivity of the] Earth?»

Russian facility apparently botched the production of a radioactivity source for a physics experiment in Italy

By the time the water reaches this area and is taken up into seafood, radioactivity is probably well diluted below what is probably dangerous for human consumption, but marine biologist Nicholas Fisher of Stony Brook University in New York says that the study will be a useful baseline to understand how radiation is dispersed in the specific ocean patterns and sea life of the Pacific.

«We could never use it for our experiment, which is exactly about keeping background radioactivity to a minimum,» says Ettore Fiorini, a physicist at the University of Milan - Bicocca and coordinator of the CUORE experiment.

Fanned by winds that shifted suddenly to the east, the fallout plume spread high levels of radioactivity over an area that stretched for hundreds of kilometers and included several inhabited islands.

«Our glucose MRI does not require any radioactivity and therefore does not involve any radiation exposure for the patient,» said Paech, who is the first author of the publication.

«It is not unusual for particle physicists to go hunting for low - radioactivity lead,» he says.

The soil measurements are more significant for evacuation purposes than radioactivity in the air, says nuclear engineer Shih - Yew Chen of Argonne National Laboratory in Illinois, because cesium dust stays underfoot while air is transient.

The DEC sent an e-mail response to questions about the radioactivity stating that «concentrations are generally not a problem for water discharges, or in solid waste streams» in New York State.

The stealthy approach promises to significantly reduce the dose of radioactivity required for treatment by providing far more targeted destruction.

You can view videos of some past Perimeter physics lectures below: Shape - Shifting Particles: Mysterious Neutrinos [Video] The Hunt for Dark Matter and Dark Energy [Video] Strange, Dense Matter: The Power of Neutron Stars [Video] How Radioactivity Can Benefit Your Health [Video]

For example, at my University, many years before the discovery of radioactivity, a professor of Physics noticed that sealed photographic plates in a drawer had been darkened.

The failure to address WIPP's shortcomings does not build confidence that shipping high - level nuclear waste with about 1,000 times more radioactivity than WIPP is approved to handle would be safe now and for thousands of generations that the wastes are hazardous.

However, three years earlier in 1895, a scientist named Wilhelm Röntgen first discovered X-rays and the phenomenon of radioactivity (a term later coined by Curie, based on the Latin word for «ray»).

The radioactivity in the transuranic waste planned for WIPP will be 7 million curies or less.

She received training in the safe use of radioactive materials at the Radiation Safety Office at WSU Pullman and said her experiments involve the smallest amount of radioactivity possible to get research results for publication.