How To Use Radioactivity In A Sentence
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Cattle seem to absorb less radioactivity than sheep, except for the milk, which is to be avoided at all costs because of the iodine.
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Projects already undertaken for pharmaceutical customers have involved removal of plant and equipment contaminated with low-levels of radioactivity and other hazardous materials.
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Radioactivity is the process of emission of radiation as a radioactive material changes form, often to a different element.
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Everything changed, however, with the discovery of radioactivity at the end of the nineteenth century - a discovery that led to one of the most remarkable, fruitful, and fateful eras in the history of chemistry.
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Its functions relate principally to the monitoring of radioactivity in the environment and of radiation doses received by Irish people in the course of their work.
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`Your first lesson on radioactivity ,' said Viktor, in English.
BLOOD IS DIRT
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The devices could be equipped with sensors that detect various substances, from heat to chemicals or radioactivity.
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Every so often an IoT innovation pops into the public consciousness - like Safecast, which connects up a mass of disparate readings from individual geiger counters to create a map of radioactivity in Japan.
Forbes.com: News
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During her years of work, Curie coined the term radioactivity, and named Polonium.
Archive 2010-03-01
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According to received wisdom, exposure to low level radioactivity is harmless.
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The level of radioactivity in the soil was found to be above recommended limits.
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Following the discovery of artificial radioactivity by M and Mme. Joliot-Curie and the use of neutrons by Fermi for atomic nuclear processes, Hahn again collaborated with Professor Meitner and afterwards with Dr. Strassmann on the processes of irradiating uranium and thorium with neutrons.
Otto Hahn - Biography
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The chemical properties are generally not of as much interest to scientists as are its radioactivity, although it is known that its properties are similar to those of manganese and rhenium, in the same group of the periodic table.
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Drill hole MWNE-08-40 intersected a 66.1 metre core-length interval having radioactivity readings ranging from 300 counts per second ( "cps") to greater than 9,999 cps (off-scale).
Marketwire - Breaking News Releases
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Phone books carry instructions on what to do if an attack or accident spews chemicals or radioactivity into the air.
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No access to the core is possible because of the levels of radioactivity, continuing high temperatures inside and fears about its stability.
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Currents beneath the plates move the plates in different directions and driving all this is radioactivity deep in the earth's mantle which keeps the under layer - the asthenosphere - molten.
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Radioactivity on the membrane was detected by autoradiography.
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The dismantling of a nuclear reprocessing plant caused a leak of radioactivity yesterday.
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The radioactive properties of the metal are exactly the ones that can be forecast on the assumption that the radioactivity of the salts is an atomic property of the radium which is unaffected by the state of combination.
Marie Curie - Nobel Lecture
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The soil contains 30 times the acceptable level of radioactivity.
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They talk the argot of evolution, while they no more understand the essence and the import of evolution than does a South Sea Islander or Sir Oliver Lodge understand the noumena of radioactivity.
The Other Animals
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According to a Navy statement, the carrier USS George Washington, currently docked at Yokosuka naval base, detected low levels of radioactivity from the Fukushima plant this morning.
U.S. Military Steps Up Quake Relief Efforts
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They would receive a much lower dose of radioactivity than those walking down the street near the explosion.
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Indeed, many isotopes spontaneously convert to other elements through radioactivity.
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What intelligence analysts think is more likely is what's called fissile or a dirty bomb, which would using radioactive material that would not create a nuclear explosion, but there would be a explosion that would spread radioactivity over an area and make it uninhabitable for several years.
CNN Transcript Nov 15, 2001
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The Geiger counter registered a dangerous level of radioactivity.
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The water found in the trench at the No. 1 unit was determined to have a radioactivity level of 0.4 millisievert per hour, a small fraction of that at No.
At Plant, Toxic Pools Threaten to Spill
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The Vermont Yankee, Vermont's aging nuclear reactor that sits roughly where the borders of Vermont, New Hampshire and Massachusetts meet, is beset with problems -- including multiple leaks of radioactivity.
John Odum: For Good or Ill, Vermont's Election Will Impact Millions of Other New Englanders
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The site was found to be contaminated by radioactivity.
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Early studies of radioactivity revealed that certain atomic nuclei were naturally radioactive.
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In May 1967 radioactivity was released into the environment when fuel caught fire in a reactor and suffered a partial meltdown.
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The time interval needed to reduce the applied radioactivity to 50% was taken as the optimal pulsing time.
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Yet these elements have had a profound effect on the evolution of the Earth because of their radioactivity.
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The individual dosimeter is a small instrument - something like a silver fountain pen - and is used by a person for registering the total amount of radioactivity he or she has absorbed after an atomic explosion.
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Both radioactive fission products and induced radioactivity in structural materials contribute to the problem of radioactive waste.
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Radioactivity in blots was detected upon exposure to autoradiograph film.
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Their temperature ranges between 27°C and 51°C and they vary in radioactivity and fluorine content.
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The transportation and transformation of 14 C phenanthrene in a closed 'plant lava nutrient solution air' chamber system was studied by using radioactivity technology.
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The idea that radioactive isotopes can be used for dating purposes is almost as old as Henri Becquerel's discovery of radioactivity itself in 1896.
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Accidents could result in explosions which could spread plutonium and other harmful radioactivity over large areas, it says.
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It is suspected that workers have brought home tiny particles of radioactivity attached to their clothing or their skin.
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In the event of slow release of radioactivity it would be particularly important that medical personnel could recognise and diagnose the early effects of radiation.
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Just as nuclear scientists concerned about lethal radioactivity oppose atomic weapons, should marine scientists campaign for an end to coal-fired power stations?
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A year later, he defended his dissertation and obtained a lectureship at Göteborg Högskola, torn between work in radioactivity and hydrography, a conflict his daughter Agnes Rodhe has described as a struggle between his father's wishes and his own interests. 105 His position as a lecturer paid so poorly that he had to work as an assistant hydrographer at his father's oceanographic station in Bornö to supplement his income.
Trafficking Materials and Gendered Experimental Practices: Radium Research in Early 20th Century Vienna
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They argued that only a negligible rise in atmosphere radioactivity resulted from the test.
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The addition of indomethacin resulted in a significant decrease in the radioactivity ratio between ulcerated and intact mucosa.
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The results also point the way to the first direct measurements of the total radioactivity of the earth.
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The inherent danger of concentrating the amount of radioactivity necessary to produce commercial power is simply far too great for civilization to tolerate.
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One example he gave was the leakage of radioactivity from Sellafield caused by pigeons.
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We have to learn to control radioactivity.
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LLW comprises some 90% of the volume but only 1% of the radioactivity of all radwaste.
Nuclear waste management
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This year is the centennial of the Nobel Prize in Physics shared by Henri Becquerel and the Curies for their pioneering work on radioactivity.
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They argued that only a negligible rise in atmosphere radioactivity resulted from the test.
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Perhaps that's the way it always goes when it comes to the intangible threats of toxic chemicals and dangerous levels of radioactivity.
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Early studies of radioactivity revealed that certain atomic nuclei were naturally radioactive.
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So sensitive is the detector that a single speck of dust within it could emit enough natural radioactivity to queer the readings.
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Since Marie Curie coined the word "radioactivity" in 1898, we've struggled with nuclear-weapons proliferation, we've debated the role of radiation in medical treatment, and we've considered nuclear energy as an alternative energy source to counter climate change.
Jesse Kornbluth: The Love Story of Marie & Pierre Curie Is Now a Beautiful Book (With A Spooky, Challenging Ending)
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Japan's national broadcaster NHK said the pool had lost two-thirds of its water, releasing large amounts of radioactivity.
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In 1903, Ernest Rutherford and Frederick Soddy made the astonishing discovery that natural radioactivity involves transmutation.
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Two other canisters bearing labels for radioactive material were also found, but preliminary tests failed to detect any radioactivity.
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The accident caused the release of radioactivity into the atmosphere.
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That year Meyer received a telegram from the Joliot-Curies announcing their discovery of artificial radioactivity.
Trafficking Materials and Gendered Experimental Practices: Radium Research in Early 20th Century Vienna
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Radioactivity refers to the phenomenon of emitting ionizing radiation when a radionuclide spontaneously disintegrates.
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Combining radioactivity and medicine, the physicists crossed the boundary of their expertise and provided scientific support to doctors over issues of radium dosimetry.
Trafficking Materials and Gendered Experimental Practices: Radium Research in Early 20th Century Vienna
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Some of the radioactivity detectors have been in use in Russia for the past few years to help prevent the theft of weapons-grade nuclear material.
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Carbon - 14 is radioactive and it is this radioactivity which is used to measure age.
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The government claims that background radioactivity is well below international norms.
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The Curies resolved to learn as much as they could about the source of radioactivity in pitchblende, the ore with which Becquerel originally worked.
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A dangerous amount of radioactivity was released into the environment last month.
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That upsets some anti-nuclear activists, who claim that a rocket explosion could spew cancer-causing radioactivity into the atmosphere.
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Radioactivity cannot be felt, smelled, seen, or heard directly and is detectable only with the aid of mechanical or electronic devices.
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The Geiger counter registered a dangerous level of radioactivity.
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Radioactivity is the process of emission of radiation as a radioactive material changes form, often to a different element.
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What makes dirty bombs particularly troublesome is that radioactivity, like fire, is something we deal with on a daily basis.
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There's even a couple of yellow radioactivity warning lights for sinister effect.
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Radioactivity and gravity may be why the strange football-shaped dwarf planet known as Haumea and its moons are unexpectedly sheathed in crystalline ice, shining in space, researchers suggest.
Yahoo! News: Business - Opinion
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Each appropriate region was scraped individually and radioactivity was determined in a scintillation counter.
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A dangerous amount of radioactivity was released into the environment last month.
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Also, due to the latent radioactivity in the reactor core, the decommissioning of a reactor is a slow process which has to take place in stages; the plans of the Nuclear Decommissioning Authority for decommissioning reactors have an average 50 year time frame.
Matthew Yglesias » Not in Vermont’s Back Yard
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Rachel racism rad radar radiation radiation damage radical radical radioactive radioactive dating radioactive waste radioactivity radiology radio waves radium radon radwaste
Entry Index: Pythagorean theorem to rugged individualism
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Objective : To explore the clinic value of bFGF - ESSEX combination misture VitB 12 in acute radioactivity stomatitis.
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The accident caused the release of radioactivity into the atmosphere.
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It isn't quite what I want though, because the disintegrating rays which the ring discharge gives out break down the zirconium, which isn't an end-product of radioactivity.
The Man Who Rocked the Earth
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Radioactivity occurs naturally in the earth and in the cosmic rays which reach the earth.
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In the first five years, the reactors will undergo mild surface-level deactivation to minimize their radioactivity.
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The lack of safeguards is leaving thousands of children across central Scotland at risk of thyroid cancer following an escape of radioactivity.
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The technique is based on the detection of radioactivity emitted after a small amount of a radioactive tracer is injected into a peripheral vein.
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A dangerous amount of radioactivity was released into the environment last month.
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Triplicate samples were thoroughly washed and counted, with the cell-bound radioactivity measured on a gamma counter.
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The addition of indomethacin resulted in a significant decrease in the radioactivity ratio between ulcerated and intact mucosa.
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a radioactivity characterized by the emission of positive or negative electrons in boron and magnesium, by bombardment with alpha rays.
Irène Joliot-Curie - Nobel Lecture
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The best creationist model for the origin of radioactivity is that of Walt Brown, who asserts that all radioactive minerals formed in the environment of tremendous piezoelectrical activity resulting from the tremendous earthquakes that attended the Global Flood.
Examiner National Edition Articles
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Radon abundance is measured in terms of its radioactivity in becquerels per cubic metre of radon in air, written Bq m 3. 222 Rn, commonly referred to simply as radon, is the most discussed isotope.
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This conviction was based solely on the atomic nature of radioactivity.
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This box, designed to monitor gamma radiation, in itself contained enough strontium 90 to emit 500,000 becquerels of radioactivity.
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Full health checks on soldiers involved in the scrapping of 200 World War II mortars are to be sought in the Dáil this week after the weapons triggered radioactivity alarms at a Cork steelworks.
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Total gamma-ray relates to the natural gamma radioactivity of a sample as determined by the concentration of radioactive isotopes of uranium, thorium and potassium.
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Scientists can compare the number of breakdowns in any given time and the intensity of the radioactivity among elements and isotopes.
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Pierre and Marie Curie called Becquerel's radiation radioactivity.
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Especially appealing are the ones inspired by Madame Curie, two-time Nobel prize winner who discovered radium and polonium and coined the term "radioactivity.
Edward Goldman: Hollywood: Art and Oscars
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According to received wisdom, exposure to low level radioactivity is harmless.
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The soil contains 30 times the acceptable level of radioactivity.
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The NRC says, even if a plane did attack a nuclear plant the likelihood of releasing radioactivity is low.
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In 1899 he identified two forms of radioactivity, which he called alpha and beta particles.
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the radioactivity was being swept upwards by the air current and out into the atmosphere
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The Stockholm Conference in 1972 had called for a registry of emissions of radioactivity and international co-operation on radioactive waste disposal and reprocessing.
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At one spot, radioactivity was high enough that someone who stood there 24 hours a day would be exposed to an accumulated radiation of 160 millisieverts in a year—well above the 100 millisievert danger level.
Murky Science Clouded Japan Nuclear Response
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The Geiger counter registered a dangerous level of radioactivity.
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The dismantling of a nuclear reprocessing plant caused a leak of radioactivity yesterday.
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For nuclear plants, the term decommissioning includes all clean-up of radioactivity and progressive dismantling of the plant.
Decommissioning nuclear facilities
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The radioactivity in the acetate was later found to be incorporated into cholesterol and the liver.
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Radioactivity is induced in the metallic containment vessel that surrounds a reactor core by neutrons that escape from the core.
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The ratio of radioactivity of ulcer area v intact mucosa was calculated for each group of rats.
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DNA radioactivity was essentially in a single different adduct base, different from the normal bases present in DNA.
Samuel S. Epstein: A Dangerous Spin On The Cancer Risks Of Sugar-Free Sweeteners
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The soil contains 30 times the acceptable level of radioactivity.
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The chief risks involve the theft or diversion of nuclear material from a facility or a physical attack or act of sabotage designed to cause a release of radioactivity.
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TL is based on the continual accumulation of stored energy as a function of natural radioactivity.
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The becquerel is a unit of radioactivity and corresponds to one radioactive disintegration per second.
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However, their half life is such that after 50 years after closedown, their radioactivity is significantly diminished and the risk to workers largely gone.
Decommissioning nuclear facilities
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The dismantling of a nuclear reprocessing plant caused a leak of radioactivity yesterday.
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The accident, which didn't cause any leakage of radioactivity, occurred when the train was reversing at just 5mph.
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There has always been a natural level of radioactivity in certain soils – those on a granite substrate for instance – but the caesium 137 fallout from Chernobyl is still relatively high in some areas.
Notes and queries: Are we all eating irradiated food? What went on underneath the arches? What's the population of heaven?
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A dangerous amount of radioactivity was released into the environment last month.
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Of course this is no promethium, but it could look like that: an otherwise typical lanthanoid, which however due to its radioactivity produces quite some heat and therefore on the surface quickly oxidizes to pink Pm2O3.
CreationWiki - Recent changes [en]
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ARS developed methods using calcium to remove strontium - 90 radioactivity from wheat and milk in 1962.
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They are comparing sediment taken from the Humber estuary - unpolluted by radioactivity - with other samples which contain the substance.
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They may also interact with nonmedical regulations, such as limits on electromagnetic emissions or radioactivity.
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If something goes kerflooey, the surrounding countryside gets blanketed with radioactivity (think Chernobyl).
Wired Top Stories
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This year is the centennial of the Nobel Prize in Physics shared by Henri Becquerel and the Curies for their pioneering work on radioactivity.
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They argued that only a negligible rise in atmosphere radioactivity resulted from the test.
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A station opened in the Chatham Islands to monitor radioactivity, will help police the worldwide ban on Nuclear Weapons Testing.
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Both radioactive fission products and induced radioactivity in structural materials contribute to the problem of radioactive waste.
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And so massive amounts of radioactivity spewed out in an invisible cloud which spread the most virulent poison all over the land.
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She may have had to exist in a state of denial to accomplish what she did: she opened up the field of radiation, coining the word radioactivity; she not only found two new elements, she found a new way to find them, using the tools of physics.
Alan Alda: In Love With Marie
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Radioactivity is continuous and mineralization is concentrated in the quartz-rich veins with accessory microcline, albite and zircon.
Marketwire - Breaking News Releases
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In the first five years, the reactors will undergo mild surface-level deactivation to minimize their radioactivity.
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They are comparing sediment taken from the Humber estuary - unpolluted by radioactivity - with other samples which contain the substance.
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The Bequerel is a unit of radioactivity, which is equivalent to the number of radioactive particles detected per second.
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Over the six decades of the lab's operation, radioactivity has leaked in unknown quantities into the water and vegetation surrounding the facility.
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Radioactive caesium 137, for instance, mimics potassium and thus can be taken up in plants that are later eaten and the radioactivity concentrated by grazing animals.
Notes and queries: Are we all eating irradiated food? What went on underneath the arches? What's the population of heaven?
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That town was heavily doused in radioactivity from the nearby atomic tests; perhaps that explains this meshuga project.
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Similar dangers exist of a structural collapse leading to an uncontrollable release of energy which could release radioactivity, he said.
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The most common ill effects of exposure to radioactivity result from the ionization of water molecules by the radiation.
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The 60 cities with federally reported dietary levels of radioactivity are often not proximate to nuclear sites.
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In the 1930s for example, the shift from radioactivity to nuclear physics required changes in instrumentation and the material culture of the institute.
Trafficking Materials and Gendered Experimental Practices: Radium Research in Early 20th Century Vienna
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We have to learn to control radioactivity.
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Fruit crops like tomatoes and cucumbers took very little radioactivity, in contrast to leafy crops like spinach, and were safe to eat.
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In addition to the radioactivity, DU is chemically toxic, pyrophoric and usually spreads aerolisized particles over a large area on impact.
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The government claims that background radioactivity is well below international norms.
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ILW makes up some 7% of the volume and has 4% of the radioactivity of all radwaste.
Nuclear waste management
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When this occurs, the electron shoots out of the atom and is called a beta particle, a type of radioactivity.
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Small amounts of radioactivity escaped into the atmosphere.
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Fields adjacent to the nuclear facility were found to have high levels of radioactivity.
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The radioactivity to which they were exposed was so powerful that the dead men's bodies were themselves a radiation hazard.
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But he was more successful in measuring radioactivity (from the radioisotope chlorine-36) in meteorites.
Times, Sunday Times
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He is one of nine authorities which have been supplied with the latest equipment for recording and detecting radioactivity after an atomic bomb explosion.
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The level of radioactivity in the soil was found to be above recommended limits.
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The element itself was actively producing radiation, a property referred to as radioactivity.
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Researchers, however, are less concerned about radioactivity than the toxic nature of depleted uranium, a heavy metal.
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The becquerel is a unit of radioactivity and corresponds to one radioactive disintegration per second.
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The song "Radioactivity," regarding Geiger counters and transmitters, is a paean to all devices of wave motion and amplification.
