Sentences with phrase «radioactivity over»

The relative interest in bluefin tuna radioactivity over Chinese air pollution in North America appears to be explained in the opening paragraph.

Answer to compare gay dating sites Absolute Dating Introduction Absolute dating utilizes the fact that radioactive materials lose their radioactivity over time.

Ever since the reactor at Chernobyl exploded in 1986 spewing radioactivity over more than 20 countries, Europeans have lived in fear of another large - scale nuclear disaster.

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.

Not exact matches

Pripyat was looted soon after the accident, and since everything here is radioactive, all the things that were stolen and sold have spread radioactivity all over the former Soviet Union.

The map showed the seismic speeds varied more than expected over these distances and were probably driven by heat transfer across the core - mantle boundary and radioactivity.

Chesser says some of his group's studies of mice exposed to radioactivity around Chernobyl hint at hormesis: Small exposures over 10 to 45 days, they found, appeared to temper damage from an acute radiation dose delivered in the lab later.

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.

Radioactivity decreases predictably over time.

«I can't think of anything that would not be contaminated if radioactivity passes over an area and lands on surfaces,» he said.

What makes the ingots equally valuable to physicists is the fact that over the past 2,000 years their lead has almost completely lost its natural radioactivity.

The question has long been, if the Marcellus can cause radioactive gas to seep into people's basements, how much radioactivity might be infused into the water left over from drilling?

These canisters would be sent away to a federal repository where the radioactivity dissipates over thousands of years.

The technique relies on the radioactive isotope carbon - 14, whose radioactivity diminishes over time in a predictable manner, allowing researchers to calculate the age of ancient human sites using charcoal from fires or the bones of the prehistoric humans themselves.

You may be charged over $ 1000 if radioactivity is detected in your cat's litter at the landfill.

Skip to around the 40th second to cut to an astonishing battle fought over the «dread to risk» gap in considering whether minute traces of radioactivity from Japan's damaged Fukushima nuclear reactors posed a threat to Americans.

He probably inhaled enough radioactivity to kill the average person many times over; he died aged 90.

But Breeder Reactors re-use radioactive water waist over and over again, depleting radioactivity and reducing waste.