Sentences with phrase «on radioactive elements»

And in a chapter on the radioactive elements carried in nuclear fallout, there's Pig 311, a sow that survived a nuclear test blast only to be used as propaganda for the weapons» supposed safety.

Not exact matches

Just so, on the inorganic level, every element in the periodic scale has its special characteristics, and some, like the radioactive substances, have qualities of far - reaching significance in certain respects.

Elevated levels of radium have been found in groundwater samples from shallow monitoring wells on the Bethpage High School campus and the state DEC plans to take more samples and scan field and soil areas there for more radioactive elements.

Groundbreaking work by a team of chemists on a fringe element of the periodic table could change how the world stores radioactive waste and recycles fuel.

«Determining the specific impact of intrinsic colloid formation by radioactive elements can aid in the development of migration models predicting radionuclide transport on a field - scale,» says Prof. Weisbrod.

The official bodies representing the two groups have now settled on the annus as their definition of the year, allowing both groups» data on the half - lives of radioactive elements to be pooled.

After taking on the iodine, the compound can be collected, cleaned and reused while the radioactive elements are sent for storage.

It is one of the heaviest - known elements, yet it does not occur naturally because all of its isotopes are radioactive and decay rapidly on a geological time scale,» said the study's lead author, François Tissot, UChicago PhD» 15, now a W.O. Crosby Postdoctoral Fellow at the Massachusetts Institute of Technology.

Millions of patients depend on a rare radioactive form of one element to scan them for disease.

Williams looked at the radioactive elements uranium and thorium trapped in these calcite crystals, using them as a kind of clock based on the rate at which uranium decays into thorium.

Based on dating of radioactive elements measured by scientists at the Swiss research center ETH Zurich, the ice at the base of the core may be at least 600,000 years old.

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.

That plane was loaded with four hydrogen bombs when it went down on the sea ice near the Thule Air Base — 200 kilometers west of Camp Century — releasing radioactive elements including uranium and plutonium.

But the buildup of heat from the decay of radioactive elements in the interior then remelted parts of the mantle, which began to erupt onto the surface some 500 million years after the Moon's formation, pooling in impact craters and basins to form the maria, most of which are on the side of the Moon facing the Earth.

Researchers reconstructed Arctic circulation through deep time by measuring radioactive trace elements buried in sediments on the Arctic seafloor.

For instance, radiocarbon dating determines the age of biological remains based on the ratio between the carbon isotopes (atoms of the same element with different numbers of neutrons) carbon - 12 and carbon - 14 it holds - this proportion changes as radioactive carbon - 14 breaks down while stable carbon - 12 does not.

Your body will naturally absorb the radioactive isotopes of these elements, which can result in serious illness depending on concentration levels and length of exposure.

The technique hinges on carbon - 14, a radioactive isotope of the element that, unlike other more stable forms of carbon, decays away at a steady rate.

Although long thought to be stable, bismuth, as an element, was shown to be weakly radioactive, with an enormously long half - life period: 1 Watch Caiu na Net Video Caseiro Que Marido Corno Fe - free porn video on MecVideos

Many dogs that eat small fish and sardine and herring oil appear to have elevated levels of strontium, a radioactive element that has been released in large quantities from the nuclear power plant involved in the Fukushima disaster, which is still going on.

Seems the radioactive decay of elements is estimated to be ~ 30TW (thought to be ~ 80 % of the earth's internal heating based on Wikipedia) which would result in about 0.1 K of the 33K difference.

However, he suggests listing continuing - education (CE) credits only if the courses you took were on special, advanced topics, such as quality control or preparing radioactive elements.