Sentences with phrase «radioactive substances»
"Radioactive substances" refers to materials that contain atoms that are unstable and can release a form of energy called radiation. This radiation can be harmful to living things and can damage cells, so it's important to handle these substances safely and protect ourselves from their effects. Full definition
On the one hand, the material was unstable, much like radioactive substances, and was thus doomed to decay.
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And that doesn't even take into account all the primordial and man - made radioactive substances.
The HPA press release indicated that there was no risk to human health, and the article correctly quoted the HPA, yet its author found it necessary to talk about the accumulation of radioactive substances in the thyroid gland, leading to cancer.
Food laced with radioactive substances would be fed to the subjects and an attempt made to monitor their physical condition over the ensuing years.
An internal draft Environmental Protection Agency document leaked to DeSmogBlog shows that EPA scientists and professional staff have identified numerous toxic and radioactive substances in shale gas extraction wastewaters at high enough levels to cause concern.
«Study improves remote detection of hazardous radioactive substances.»
Directly or indirectly caused by or contributed to by or arising from ionising radiation or contamination by radioactive substance from any nuclear fuel or from any nuclear waste from the combustion of nuclear fuel.
And because the technique involves injecting radioactive substances, studies can not be repeated as many times as may be needed to reveal the long - term effects of TMS.
A blue - green algae that dates back as a food source for the Aztecs in 16th century Mexico, spirulina has been shown as an effective chelating agent for removing toxins such as mercury, as well as radioactive substances from the body.
The world's most commonly used radioactive substance — and its heaviest natural element — clutches its two oxygen atoms so tightly, it almost never reacts with other compounds.
Nuclear explosions produce radioactive substances that are rare in nature — like carbon - 14, a radioactive form of the carbon atom that forms the chemical basis of all life on earth.
Lead could shield radioactive substances, but most ordinary materials like walls or glass do not stop gamma rays.
Meanwhile, researchers are seeking alternatives for non-invasive heart imaging with other radioactive substances, or ways to make Mo - 99 using low - enriched uranium.
For example, every laboratory utilising radioactive substances must adopt one code of practice for routine handling and another for what to do in case of an accident.
The idea of adding variable amounts of emanation has been carried into practice on a large scale by the Administration of the Municipal Salines of Kreuznach, Germany, where drinking and bathing water, artificially treated by the very radioactive substances contained in the springs, is manufactured and sold.
One man said that information given in the presentation confirmed what he had feared for many years: that livestock that graze and drink water in uranium mining areas can accumulate radioactive substances and heavy metals in their edible muscle and organs in levels that may harm the animals themselves and that could contribute to excessive doses in the people who eat the livestock meat.
Among the dozens of radioactive substances naturally present in seawater (of which cesium - 137 is one), uranium - 238 and potassium - 40 are the ones present in the greatest abundance.
Relative dating uses observation of location within rock layers, while radiometric dating uses data from the decay of radioactive substances within an object.
The primary drawbacks are that it must be performed in a special facility licensed to handle certain radioactive substances, and it carries a somewhat prohibitive cost.
Technetium, a short acting radioactive substance, is administered through a catheter into a vein, and concentrates in the thyroid tissue.
«No, I'm going to perpetually circulate thousands of tons of extremely radioactive substances throughout the surface of the globe, poisonous for hundreds and thousands of years; because I believe in human infallibility, dammit!»
The green movement was, in these cases, able to move public opinion with fears about «frankenfood», and the effects of invisible, radioactive substances also finding their way into our bodies.
There are various roles performed by a radiologist such as examination of internal and external organs of the human body, diagnosis of diseases if any present in the organs, assists in treatment of organs that are found infected, administers radioactive substances injected into the organs of the patient etc..
A recent study, affiliated with UNIST has introduced a method for the remote detection of hazardous radioactive substances.
«It really grabbed my attention because it's completely powered by radioactive substances,» says Dimitra Atri, an astrobiologist and computational physicist who works for the Blue Marble Space Institute of Science in Seattle, Washington.
Gummer approved limits for the amounts of radioactive substances that can be released from the Sellafield complex with a few minor changes.
DMS s.r.o. is one of the leading carriers, transporters and companies arranging combined transport of nuclear materials and radioactive substances in the Czech Republic and abroad.
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.
11:1) exists in a «Schroedinger's Cat» - way — «Schroedinger's Cat» is a cat in a box with a radioactive substance that may or may not kill it, making the cat both dead AND alive until you look inside to see which.
FAIR SHAKE The word in Las Vegas last week was that the «short, chubby man from Connecticut» who made 50 straight passes at a Dunes crap table not long ago (SCORECARD, Oct. 30) and collected $ 25,000 might have been using dice coated with cobalt - 60 — a radioactive substance — along with a small electronic device that would control their fall.
Using a small amount of a radioactive substance as a tracer, the scientists focused on the brain's mu - opioid system in which chemicals called endogenous opioids bind to receptors and hinder the spread of pain messages in the brain.
The patient is given an injection of a radioactive substance, which gets absorbed in those parts of the heart muscle that have normal blood flow.
While the explosion of a dirty bomb would likely cause more damage than the radioactive substances it spreads, the bombs could create fear and panic, contaminate property, and require potentially costly cleanup, according to the U.S. Nuclear Regulatory Commission.
Hayes, along with Sergey Sholom of Oklahoma State University in Stillwater, tested this idea with two AAA battery sized capsules of radioactive substances — cobalt - 60 and cesium - 137.
Some radioactive substances with decades - long half - lives, such as cesium - 137, persist to this day.
As you head to the kitchen for your coffee, pause for a moment and contemplate the smoke detector operating silently overhead, a small quantity of the radioactive substance americium - 241 pouring out energy to create a thin beam of charged particles.
They labelled the cells in the test tube with a radioactive substance whose radiation can be measured and visualized in images.
WE ARE used to radioactive substances having a half - life, but DNA?
Since 1949 «no less than 150 million curies (5 × 1018 becquerels) of radioactive substances have been discharged into the environment as a result of Mayak's activities», says the report.
In the original version of the thought experiment, which Schrödinger came up with in 1935 to discredit what he felt were apparent contradictions in the interpretation of quantum mechanics, a cat is trapped in a sealed box along with radioactive material and a vial of poison that will shatter if an atom of the radioactive substance decays.
Six years after the discovery of radioactivity (1896) by Henri Becquerel of France, the New Zealand - born British physicist Ernest Rutherford found that three different kinds of radiation are emitted in the decay of radioactive substances; these he called alpha, beta, and gamma rays in sequence of their ability to penetrate matter.
DMS s.r.o. performs transport and carriage of dangerous objects of class 7 (radioactive substances), provides specialised services in the field of nuclear fuel cycle in the Czech Republic and abroad.
This radioactive substance can enter human body through inhalation or ingestion of contaminated food or water.
Arrangement of necessary authorizations and licences for transport of nuclear materials and radioactive substances.
However, those fictional genetic mutations are kind of hard to come by — you have to have been bitten by some special spider or exposed to some radioactive substance.
Radiation exposure particularly to the radioactive substance thorium dioxide, which was used with X-rays to diagnose health conditions between the 1920s and 1950s may increase the risk of developing mesothelioma.