Sentences with phrase «radioactivity in»

The documents show that the agency dropped some plans to model radioactivity in drilling wastewater being discharged by treatment plants into rivers upstream from drinking water intake plants.

These are «fission products» and account for most of the heat and radioactivity in high - level waste.

There have been more civilian casualties in the back of Ted Kennedy's car than there have from radioactivity in US nuclear power plant accidents.

Next, there's the induced radioactivity in the structure and moderator of a tokamak power reactor.

Next, consider the fact that deuterium - tritium fusion inherently emits copious neutrons, which will induce significant radioactivity in adjacent tokamak structural and moderating materials.

Would we expect the neutron flux inside such a device to induce radioactivity in the non-nuclear components of the reactor?

A subtheme of blurred boundaries between what is natural and what is artificial can be seen in the work Cultivation by Radioactivity in the Electronic Circuit (Pink Flower) by the late Japanese artist Tetsumi Kudo (1935 — 1990) and in Si - Qin's inclusion of two turkey feathers which have been hand - modified to resemble the feathers of Golden Eagles.

Tetsumi Kudo, Cultivation by Radioactivity in the Electronic Circuit (Pink Flower), 1968, plastic, Plexiglas, polyester, 29 11/16 x 10 1/16 x 10 inches.

Hospitalization may be prolonged; depending on local or state ordinances, cats may need to be kept at the treatment facility for 10 to 14 days until the level of radioactivity in their urine and feces decreases to an acceptable level.

This is the first map of radioactivity in a supernova remnant, the blown - out bits and pieces of a massive star that exploded.

Radioactivity in serial plasma samples was determined by liquid scintillation counting and expressed relative to the number of counts in the circulation 1 minute after injection.

Radioactivity in the brain was then measured using positron emission tomography (PET) scans under three different circumstances: after eating pizza (a palatable meal) after consuming a nutritional drink (a non-palatable meal), and after an overnight fast.

Strutt measured radioactivity in various rocks and found that granite contained more than enough radioactivity to explain all geothermal heat.

'' «We Were Not Afraid of the Water Then» - Focus on Radioactivity in the Puerco River,» People's Daily World, August 1, 1989.

The radioactivity in the transuranic waste planned for WIPP will be 7 million curies or less.

It sits within a cryostat in the middle of the water tank, fully submersed, in order to shield it as much as possible from natural radioactivity in the cavern.

Debora MacKenzie's articles on nuclear problems in Russia (This Week, 17 April) illustrate the importance of setting quantities of radioactivity in perspective.

People absorb radioactivity in their daily routines, complicating health assessments.

The soil measurements are more significant for evacuation purposes than radioactivity in the air, says nuclear engineer Shih - Yew Chen of Argonne National Laboratory in Illinois, because cesium dust stays underfoot while air is transient.

Three months after the tsunami - stricken Fukushima Daiichi plant began leaking unprecedented amounts of radioactive isotopes, an interdisciplinary group of scientists will begin measuring the radioactivity in the ocean east of Japan on 4 June.

The Tokyo Electric Power Company (Tepco), which owns the plant, recorded high levels of radioactivity in a drainage ditch that runs to the sea from the tank, but could not detect anything in the seawater itself.

The radioactivity in the Earth produces antineutrinos which are constantly streaming up, and I actually, kind of, realized that if we can measure those antineutrinos we could measure the radioactivity in the Earth.

He won the Nobel Prize for Physics in 1938 for inducing radioactivity in matter by slamming neutrons into atoms.

There is also an estimated 37 x 10 ^ 18 becquerels worth of radioactivity in the oceans from naturally dissolved uranium in seawater anyway, which some view as a future nuclear fuel source but is not generally considered a health risk.

There is not enough radioactivity in the core to account for this, so scientists now speculate that the planet may either be shrinking at the rate of a few centimetres a year, or that the vast quantities of helium in the atmosphere are separating out from the hydrogen and slowly sinking.

On 1 April, TEPCO admitted that levels of radioactivity in groundwater underneath the facility were 10,000 times the legal limit, mainly as a result of contamination with iodine - 131.

To shield the detector as much as possible from natural radioactivity in the cavern, the detector (a so - called Liquid Xenon Time Projection Chamber) sits within a cryostat submersed in a tank of water.

After working closely with her mother, Irène went on to win a Nobel prize for her work on artificial radioactivity in 1935, in collaboration with her own husband.

Eleven tons of lead and two tons of polyethylene shield the detectors, which weigh just a few pounds, from any radioactivity in the surrounding rock that could create a false signal.

Radioactivity in the brain was measured with the PET scanner in three conditions: after a 60 - min aerobic moderate - intensity exercise session, after a high - intensity interval training (HIIT) session, and after rest.

Breastfeeding is contraindicated in infants with classic galactosemia (galactose 1 - phosphate uridyltransferase deficiency) 103; mothers who have active untreated tuberculosis disease or are human T - cell lymphotropic virus type I — or II — positive104, 105; mothers who are receiving diagnostic or therapeutic radioactive isotopes or have had exposure to radioactive materials (for as long as there is radioactivity in the milk) 106 — 108; mothers who are receiving antimetabolites or chemotherapeutic agents or a small number of other medications until they clear the milk109, 110; mothers who are using drugs of abuse («street drugs»); and mothers who have herpes simplex lesions on a breast (infant may feed from other breast if clear of lesions).

Radioactivity in the breast milk of lactating women after oral administration of 3H - norethynodrel.

The amount and form of radioactivity in human milk after lung scanning, renography and placental localization by 131 I labelled tracers.

We later identified decay products of these same extinct radioactivities in bubbles of CO2 trapped in a xenolith ejected in an Hawaiian volcano.

Not exact matches

Local opponents of the storage, such as Tom Clements, director of SRS Watch, contend the facility was never built for holding plutonium and say there is a risk of leakage and accidents in which large amounts of radioactivity are released.

In 1903, Curie was awarded the Nobel Prize in physics for her discovery of radioactivitIn 1903, Curie was awarded the Nobel Prize in physics for her discovery of radioactivitin physics for her discovery of radioactivity.

In advancing these theories they disregard factors universally admitted by all scientists — that in the initial period of the «birth» of the universe, conditions of temperature, atmospheric pressure, radioactivity, and a host of other catalytic factors were totally different than those existing presently, including the fact that we don't know how single atoms or their components would bind and consolidate, which involved totally unknown processes and variables, as single atoms behave far differently than conglomerations of atomIn advancing these theories they disregard factors universally admitted by all scientists — that in the initial period of the «birth» of the universe, conditions of temperature, atmospheric pressure, radioactivity, and a host of other catalytic factors were totally different than those existing presently, including the fact that we don't know how single atoms or their components would bind and consolidate, which involved totally unknown processes and variables, as single atoms behave far differently than conglomerations of atomin the initial period of the «birth» of the universe, conditions of temperature, atmospheric pressure, radioactivity, and a host of other catalytic factors were totally different than those existing presently, including the fact that we don't know how single atoms or their components would bind and consolidate, which involved totally unknown processes and variables, as single atoms behave far differently than conglomerations of atoms.

They actually measured the amount of radioactivity found in wood of known age.

Chemical toxicity and radioactivity levels should be kept as low as reasonably achievable in order to protect the biosphere.

As efforts continue at Japan's Fukushima nuclear power plant to fully fix the infrastructure damaged in the earthquake and tsunami, workers have discovered seawater with a high radioactivity.

Tests conducted on water being dumped into the Pacific Ocean near the Fukushima nuclear power plant have found levels of radioactivity millions of times more than is normal in water.

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Even the so - called «clean» H - bombs, in addition to the immediate casualties they would create, produce appreciable quantities of radioactivity.

But, in the interests of consistency, we shall only invent new objects when we can not escape from doing so; usually, it is sufficient slightly to modify the description of our previous objects, e.g., when we modify the definition of the atom to accommodate it to new observations about radioactivity or atom - smashing, or new types of chemical combination.

State health and environmental regulators have known for decades that at least 62 properties — most in Niagara County — contain varying degrees of radioactivity that tested at levels two to more than 10 times normal for the local environment.

The New York Democrat, in a posting on Medium, wrote there are «serious weaknesses» in the first decade of the agreement, including the provisions laid down for weapons inspections as well as a 24 - hour delay for inspections when detecting radioactivity.

The only previously known radioactive carbon isotope at the time was carbon - 11, which had a half - life of only 21 minutes (half the isotope's radioactivity will decay in that time).

We humans have gradually discovered many additional recurring shapes and patterns in nature, involving not only motion and gravity, but also electricity, magnetism, light, heat, chemistry, radioactivity and subatomic particles.

Spills from oil and gas operations can contaminate local water and soil with high levels of toxic chemicals, salts and radioactivity, but in many cases there is insufficient information to determine how long ago the spill occurred and identify its source.

A few months earlier, her father gave her a biography of French scientist Marie Curie, two - time winner of the Nobel Prize and a pioneer in the study and understanding of radioactivity.