Sentences with phrase «radioactivity at»

This has created a legacy of radioactivity at spill sites.»

Though it contains radioactivity at 100 times the legal limit, TEPCO claims that dumping it out at sea will dilute it to safe levels.

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.

«Depending on the equipment used, this method could scale to detect radioactivity at distances of at least tens of kilometers and possibly as far as 100 km,» says Professor Choi.

In July the project estimated terrestrial radioactivity at less than 60 terawatts at any given time.

«Last week the company reported alarming levels of radioactivity at three monitoring wells, with one well's radioactivity increasing nearly 65,000 %,» Cuomo said.

Not exact matches

As efforts continue at Japan's Fukushima nuclear power plant to fully fix the infrastructure damaged in the earthquake and tsunami, workers have discovered seawater with a high radioactivity.

The psychological and social problems created by the «baby A-bombs» dropped on Japan are minor compared to the aftermath of a hydrogen Armageddon with an estimated 93 million Americans and at least that many Russians destroyed and much of the earth poisoned by radioactivity.

Two thousand years of Christian history become decreasingly venerable when confronted by the findings of radioactivity dating techniques which date the hardened crust of the earth at three billion years.

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.

He said Entergy reported «alarming levels of radioactivity» at three monitoring wells, including one that rose 65,000 percent.

The only previously known radioactive carbon isotope at the time was carbon - 11, which had a half - life of only 21 minutes (half the isotope's radioactivity will decay in that time).

But nobody understood that at the time because radioactivity hadn't been discovered yet.

Writing at the height of a radium craze that swept across Europe and America in the early 20th century, Saleeby was one of many observers who connected radium and radioactivity to the mysteries of life.

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.

A new Duke study finds stream sediments at disposal sites such as this one have levels of radioactivity that are 650 times higher than at unaffected upstream sites.

Its job is to respond to problems at nuclear power plants and other incidents involving 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.

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.

This is almost twice the radioactivity released at Chernobyl, according to Plutopia: Nuclear Families, Atomic Cities, and the Great Soviet and American Plutonium Disasters, by Kate Brown, a history professor at the University of Maryland, Baltimore County.

Overall, the tanks hold every element in the periodic table, including half a ton of plutonium, various uranium isotopes and at least 44 other radionuclides — containing a total of about 176 million curies of radioactivity.

Soil samples collected downstream from spill sites contained higher levels of radioactivity than soil at the spill sites themselves, Lauer noted.

• Water leaking from at least one of the reactors shows high levels of radioactivity, suggesting a potential core breach that could make the plant even more radioactive.

In the Journal of Environmental Radioactivity (vol 47, p 245), Bigu recommends improving ventilation at the three sites.

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.

«Radioimmunotherapy not only worked against these cancers but, in addition, the radioactivity was confined entirely to the tumor masses, leaving healthy tissues undamaged,» said senior study co-author Ekaterina Dadachova, an associate professor of nuclear medicine and of microbiology and immunology at Einstein.

A novel cesium - transporting bacterial pump developed by researchers at the NITech could be beneficial in radioactivity decontamination efforts.

Now researchers may have found a way to combat this waste buildup by using a genetically engineered microbe that resists radioactivity and breaks down chemicals at the sites.

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.

Experiments funded by the Ministry of Agriculture, Fisheries and Food are now under way on the Carneddau mountains of Snowdonia and the Cumbrian hills at Corneyfell, near Bootle, to see if decontamination zones can be created where lambs can be taken to lose their radioactivity before slaughter.

A fresh explosion has rocked the nuclear reprocessing plant at Chelyabinsk in Russia, releasing 7.4 million becquerels of radioactivity up a ventil - ation shaft.

«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.

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.

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.

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.

The concentration of radioactivity measured down Germany's deepest hole (5.7 miles) would account for all the heat flowing out at the earth's surface if that concentration continued down to a depth of only 18.8 miles and if the crust were 4 billion years old.47

(D — I) Blood samples were taken at the indicated times, and radioactivity remaining in the plasma samples (10 μl) was determined by liquid scintillation counting (n = 3 — 4 / group).

An experiment performed by scientists at the Institute of Academy of Kiev confirmed that radioactivity prevalent in the rice from the Fukushima region went down once the rice has been placed into Agnihotra ash water.

Hospitalization may be prolonged; depending on local or state ordinances, cats may need to be kept at the treatment facility for 10 to 14 days until the level of radioactivity in their urine and feces decreases to an acceptable level.

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

It was at Russia's State Atomic Energy Corporation, where it will remain, encased in steel and concrete, until May 21, 3015, when its radioactivity diminishes to a safe level.

Concerned with both the literal and the political invisibility of radioactivity, Kriemann worked with scientists at the American Museum of Natural History (New York), the National Archives (Washington) and the Museum of Natural History (Berlin) to produce various versions of an «autoradiograph» — a unique type of photograph that is the result of directly exposing light - sensitive paper to radioactive specimens, such as pechblende.

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.

«Now imagine that the internal radioactivity of the earth has been turned - off, and the sun's radiation has been turned off, -LSB-...] This was a followup on a discussion about the hypothetical gravito - thermal effect at equilibrium.

Conrad Dan Volz, former scientific director of the Center for Healthy Environments and Communities at the University of Pittsburgh, is a vocal critic of the speed with which the Marcellus is being developed — but even he says that radioactivity is probably one of the least pressing issues.

The EPA used several factors to calculate which areas were most at risk, including geology, aerial radioactivity, and soil permeability.