Sentences with phrase «on radioactivity»

Danielsen, 1968: Stratospheric - tropospheric exchange based on radioactivity, ozone, and potential vorticity

Research consists of visual surveys around some power plants and research on radioactivity.

Without curiosity, Sir Isaac Newton would have never formulated the laws of physics, Alexander Fleming probably wouldn't have discovered penicillin, and Marie Curie's pioneering research on radioactivity may not exist.

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

Won a share of two Nobel prizes for her work on radioactivity (25.1 % of the vote)

Famous for: Chemist and Nobel Prize laureate who conducted pioneering research on radioactivity.

This book tells the fascinating story of Lise Meitner, an Austrian physicist who worked on radioactivity.

Not exact matches

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.

The psychological and social problems created by the «baby A-bombs» dropped on Japan are minor compared to the aftermath of a hydrogen Armageddon with an estimated 93 million Americans and at least that many Russians destroyed and much of the earth poisoned by radioactivity.

We do not want babies to get radioactivity, but we rarely hesitate to do radioactive scans on them.

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).

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.

That's amazing, since we usually think of radioactivity as deadly — but these organisms were actually living on radiation?

It successfully explained phenomena such as radioactivity and antimatter, and no other theory can match its description of how light and particles behave on small scales.

After regular decontamination, 1200 - 1500 counts per minute (a measure of radioactivity) were left on this van; Decon Gel removed an additional 800 - 900.

And the usual approach is disturbingly low tech: human beings scrub radioactivity off walls, cars, and so on with soap and water.

Japan's nuclear plant crisis with the radioactivity contamination from spent fuel pools is likely to put an overdue spotlight on stalemated U.S. policies for managing reactor fuel, authors of a Massachusetts Institute of Technology report on the nuclear fuel cycle said yesterday.

Now he had an important additional piece of information: Proximity to the sun seemed to influence radioactivity, and violent activity on the sun could also increase or decrease decay rates.

Growth rings in «the loneliest tree on the planet,» an isolated Sitka spruce on Campbell Island, still bear traces of radioactivity from atomic bomb testing in the 1950s and 1960s.

Whether my buckle is beeping or not, my über - suit thus far offers no protection against the tiniest assassins of all: High - energy radioactivity such as beta particles and gamma rays can zip through most clothing to wreak havoc on cellular DNA.

«Depending on the equipment used, this method could scale to detect radioactivity at distances of at least tens of kilometers and possibly as far as 100 km,» says Professor Choi.

Scientists tested for radioactivity at eight different beaches within 100 kilometers of the plant, which experienced three reactor meltdowns when an earthquake and tsunami on March 11, 2011, knocked out its power.

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.

• Japan has established a fishing exclusion zone of 20 kilometers around the plant, which could be extended depending on the amount of radioactivity found.

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.

On average, radioactivity from such an accident could force approximately 8 million people to relocate and result in $ 2 trillion in damages.

I confess, I don't normally keep an eye out for the latest publications in the Journal of Environmental Radioactivity, but one recent paper on radioxenon measurements is of particular interest.This paper, as it turns out, is by one of the leading researchers in radioxenon testing, who happens to be a former professor and advisor of mine at The University of Texas at Austin.

Experiments funded by the Ministry of Agriculture, Fisheries and Food are now under way on the Carneddau mountains of Snowdonia and the Cumbrian hills at Corneyfell, near Bootle, to see if decontamination zones can be created where lambs can be taken to lose their radioactivity before slaughter.

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.

«I can't think of anything that would not be contaminated if radioactivity passes over an area and lands on surfaces,» he said.

The report accuses the company of having broken international regulations on the exposure of workers to radioactivity and quartz dust, and alleges inadequate health monitoring, environmental mismanagement and misleading its workforce and the press.

The technique relies on the radioactive isotope carbon - 14, whose radioactivity diminishes over time in a predictable manner, allowing researchers to calculate the age of ancient human sites using charcoal from fires or the bones of the prehistoric humans themselves.

The immediate outcome was to launch six reports, written by international teams of scientists, on major pollutants in the Arctic: acids, metals, noise, oil, organic compounds, and radioactivity.

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

However, three years earlier in 1895, a scientist named Wilhelm Röntgen first discovered X-rays and the phenomenon of radioactivity (a term later coined by Curie, based on the Latin word for «ray»).

Observations on earth and in space support the hydroplate explanation and refute the evolution explanation for earth's radioactivity.

In a study published March 26 in Physical Review Letters, nuclear physicists from the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and other institutions working on the MAJORANA DEMONSTRATOR experiment have shown that they can shield a sensitive, scalable, 44 - kilogram germanium detector array from background radioactivity.

On the other hand, another scientist and chemist, Walter Minder while testing the radioactivity of radium obtained from the same sample, suspected the presence of another element based on the results obtaineOn the other hand, another scientist and chemist, Walter Minder while testing the radioactivity of radium obtained from the same sample, suspected the presence of another element based on the results obtaineon the results obtained.

(This will become even more clear after reading the radioactivity chapter on pages 389 — 443.)

However, Germany's Deep Drilling Program found that variations in radioactivity depended on the rock type, not depth.122]

In this lesson, hands - on activities introduce students to basic concepts of nuclear physics including fission, radioactivity, nuclear decay and transmutation.

In the main part of the book, a series of scientific reports presents valuable data on the radiation surveys of the environment, environmental radioactivity, transfer models and parameters of radioactive nuclides and dose assessment among residents.

As I've written before, Nevil Shute (Maass and I share a keen fondness for Shute's work) taught me the shuddering grace of what Coughlin is describing when I couldn't shake the shadow of the radioactivity moving toward Australia in On the Beach.

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.

The show, curated by Courtney Malick, takes on the inorganic ingestible elements found in medicine, food, cosmetics and tech devices we are consistently exposed to, despite the chemicals and radioactivity they emit.

The human assault on the planet usually does not make headlines unless there is a sudden calamity — giant fires in Indonesia or radioactivity escaping from a nuclear plant in Chernobyl.

«Now imagine that the internal radioactivity of the earth has been turned - off, and the sun's radiation has been turned off, -LSB-...] This was a followup on a discussion about the hypothetical gravito - thermal effect at equilibrium.

That missing radioactivity, originating as fallout from atmospheric nuclear tests during the 1950s and 1960s, routinely provides researchers with a benchmark against which they can gauge how much new ice has accumulated on a glacier or ice field.