Sentences with phrase «radioactive substances in»
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.
http://www.climatesciencewatch.org/ Not exact matches
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.
Securing dangerous or controlled substances: Businesses in a wide range of industries use biometric devices — with hand - readers being a particularly popular option — to help monitor access to toxic chemicals, radioactive waste, narcotic drugs and other potentially hazardous materials.
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.
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.
In this particular case the substance does not even have the «usual» radioactive signature.
The isotope has a half - life of approximately 5,600 years, which means that during this period, half the number of radioactive carbon atoms in any once - living substance will convert to nitrogen.
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.
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.
They sent soil samples for DNA testing, looking for matches with particular genes known to be found in microbes and fungi; they tried to stimulate microbial growth on a wide variety of substances and then count the cells produced; and they used highly sensitive radiorespiration activity assays, which involve feeding the soil microorganisms a food source which has been labelled with radioactive carbon, which can then be used to detect if the microorganisms are active.
«We are not set up to take radioactive substances,» said Patricia Pastella, commissioner of the Onondaga County Department of Water Environment Protection, which operates the Metropolitan plant in Syracuse, N.Y. «It does present a problem with disposal.»
MARS sends its detection data to a computer in real time, where operators quickly can see what substance is being detected and how radioactive it is.
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.
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.
It seems likely that before very long we shall have discovered many useful therapeutic and technological applications for the radioactive substances which can be made in the production of fissionable materials.
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.
Whereas iodine - 131 has a half - life of 8 days, caesium - 134 has a half - life of 2 years and caesium - 137 is a whopping 30 years — meaning it takes that long for half of the radioactive atoms in each substance to disintegrate.
Technetium, a short acting radioactive substance, is administered through a catheter into a vein, and concentrates in the thyroid tissue.
Intended as a critique of the Copenhagen interpretation of quantum mechanics, and eventually becoming the go to example for illustrating the difficulty of describing quantum states, Albert Einstein's buddy devised the following scenario: a cat, a Geiger counter containing a trace amount of radioactive substance, and a flask filled with poison are placed in a sealed and shielded box.
«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.
Peters, along with Paul Rice, advised NuGeneration on drafting environmental and operational permit applications for radioactive substances activity, combustion activity and waste discharge activity pertaining to its new nuclear power station in West Cumbria.
A radiologist is a person who makes use of the radioactive substances and X-rays to diagnose diseases in the human body.
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..