Sentences with phrase «caesium from»

After 45 days, this group was reported as having improved immune function, and most notably «spirulina was particularly efficient at deactivating radioactive caesium from their bodies.»

Not exact matches

In October 2004, the first quantum memory component was built from a string of caesium atoms.

Wheat leaves that were open at the time of the greatest fallout were heavily contaminated, with combined levels of caesium - 134 and caesium - 137 ranging from thousands to about 1 million Bq kg - 1.

Uranium and other radioactive materials, such as caesium and technetium, have been found in tiny particles released from the damaged Fukushima Daiichi nuclear reactors.

They exploit the fact that an atom of caesium, or some other element, emits visible light or microwaves when one of its electrons drops from a high energy state to a lower one.

«The trigger for closing the trap comes from the caesium - sulphide interactions in the material,» says Kanatzidis.

It was previously thought that only volatile, gaseous radionuclides such as caesium and iodine were released from the damaged reactors.

The researchers discovered uranium from nuclear fuel embedded in or associated with caesium - rich micro particles that were emitted from the plant's reactors during the meltdowns.

They also have filtered venting systems so that even if cooling fails and pressure starts to build in the containment building, radioactive iodine and caesium can be removed from the steam before it is released.

Radioactive caesium isotopes are being removed from the water by an advanced liquid - processing system built after the accident, but a facility for removing strontium isotopes is not yet ready.

Molten salt from the electro - refining, which contains only fission products such as caesium and strontium, is mixed with cement for storage.

MEXT, the Japanese science ministry, has been monitoring radioactive iodine and caesium, considered most harmful to health, in soil 25 to 58 kilometres from the plant since 18 March.

The daily amount of caesium - 137 released from Fukushima Daiichi is around 60 per cent of the amount released from Chernobyl.

A new generation of atomic tickers, known as optical clocks, have just wrested the record for accuracy from the ensembles of oscillating caesium atoms that held it for half a century.

Research at the Institute of Grassland and Environmental Research in Aberystwyth has found that spreading certain minerals over contaminated land can fix caesium in the soil, preventing plants from taking it up.

Hills and uplands in Wales and northwestern England could soon turn from green to navy blue as scientists try to «lock up» radioactive caesium deposited by rain after the Chernobyl disaster.

He points out that the north Pacific contains an estimated 100,000 TBq of caesium - 137 from H - bomb testing in the 1960s, so the fallout from Fukushima is adding only a fraction of that.

Buesseler says that during his own sampling survey in waters 30 to 600 kilometres from Fukushima in June 2011, three months after the meltdown, the highest levels he found were 3 Bq of caesium - 137 per litre of seawater.

Opponents of the tests have warned that potentially harmful radioisotopes, especially caesium - 137, strontium - 90 and plutonium isotopes, will leach from rocks fractured by the blasts.

But these clocks are constrained in how precisely they can divide time because when caesium electrons jump from a certain state to another they emit radiation with a frequency of only 9 giga - hertz, or 9 billion cycles per second.

«Relatively definitive refutation» David Borhani, a biochemist and structural biologist in Hartsdale, New York, would have liked to see additional control experiments — to determine, for instance, the lowest possible level of arsenic that Redfield could have detected, and to find out where any arsenic from the GFAJ - 1 DNA ends up when the DNA is purified on a caesium chloride gradient.

Wolfe - Simon also says she would not expect to find arsenic in DNA analysed on a caesium chloride gradient, because the arsenic - containing DNA might be so fragile that it would break apart and appear only in very faint bands separate from the bulk of the cell's DNA.

The most common radioactive elements that end up in the environment from a leak or explosion are iodine and caesium.

The first edition can be distinguished by the exclusive Caesium Blue and Halcyon Gold colour options (showcased on the C - X17 concept) and the optional Rhodium Silver and Ultimate Black, while power comes from a petrol and diesel V6 engine options producing 380 PS and 300 PS respectively.

«The three day emissions from Fukushima of Iodine - 131 would be about 20 % of the total Chernobyl emissions, while those of Cesium - 137 would be between 20 and 60 % of the total Chernobyl emissions, depending whether one believes in the different Iodine to Caesium ratio measured in Japan.»

An estimated 50 million gallons of liquid wastes from Cold War plutonium production processes - laced with radioactive caesium and strontium salts - were dumped in a 13.7 sq. mile area south of central Hanford's 177 underground radioactive waste tanks.