Sentences with phrase «about radiation doses»

Not exact matches

Japanese researchers are about to launch one of the most ambitious epidemiological studies ever attempted on the effects of low - dose radiation.

That's about one - third the maximum radiation dose allowed for a nuclear power plant worker in a given year.

The radiation dose rate at typical commercial airline flight altitude (35,000 feet) is about 0.003 millisieverts per hour.

He would also have accumulated a radiation dose equivalent to about 1,000 chest x-rays.

They mostly just go through us, but because of their large numbers contribute about 1/6 of our normal radiation dose.

About 80 percent of patients receiving high - dose, short - course therapies had good cosmetic results, similar to longer - course treatments with smaller radiation doses.

If that goes well, scientists can at last stop fretting about specific milestones and instead lose sleep over Juno's escalating radiation dose.

We know surprisingly little about what low - dose radiation does to organisms and ecosystems.

From left, Berkeley Lab's Alvin Lo, Eleanor Blakely, Yurong Huang, Jian - Hua Mao, and Antoine Snijders are part of a team of scientists that uncovered new clues about the risk of cancer from low - dose radiation.

Scientists from the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have uncovered new clues about the risk of cancer from low - dose radiation, which in this research they define as equivalent to 100 millisieverts or roughly the dose received from ten full - body CT scans.

A typical nuclear medicine procedure may impart a radiation dose to the patient comparable to about one to four years of natural background radiation depending on the type of study.1 As with X-rays, the value of diagnostic imaging is great and the risks are negligible compared to the health benefits of having the procedure.

Oncospace A radiation oncology physicist developed a complex computerized system, called «Oncospace,» that uses anatomy, radiation dose distributions, toxicity, and outcome data of prior patients to create an optimal treatment plan for those about to be treated.

The World Health Organization (WHO) estimates that the typical absorbed dose of mercury from amalgams is one to twenty - two micrograms per day, with most values in the range of one to five micrograms per day.16 Various factors, including gum chewing and bruxism, can increase these exposures to an upper range of about one hundred micrograms per day.7 Preliminary evidence also suggests that certain types of electromagnetic radiation, including EMR from mobile phones and from magnetic resonance imaging (MRI) may increase the release of mercury vapor from dental amalgams.17

Drama about a technician who goes to extreme lengths to support his family after being exposed to a lethal dose of radiation in post-perestroika Russia.

The additional exposures received by most Japanese people in the first year and subsequent years due to the radioactive releases from the accident are less than the doses received from natural background radiation (which is about 2.1 mSv per year).

As I understand things (and this is NOT my field at all) there is a robust dispute over how sure we can be about what ionizing radiation dose to human health at small doses.

Even in low Earth orbit within the magnetosphere, astronauts on the ISS receive a dose of radiation equivalent to about 5 — 10 chest X-rays per day, which causes an increased risk of cancer.

«But as I commented at scienceprogress, the way I see the ledger, the religious Right gets a handful of anti-science points for views on evolution (and related rationalizations about the age of the earth, etc.), and for some dismissal of climate change theory, but the Left gets many more anti-science points for exaggerating the health and ecological risks of POPs; DDT; GMOs; plastics and plasticizers; pesticide residues; conventional agriculture; low - dose EM radiation; high - tension powerlines; climate change; population growth; resource depletion; chemical sweeteners; species extinction rates; biodiversity decline; and I'm sure the list could go on.

«Despite the low solar elevations in Antarctica, UV - B radiation doses in late spring during the ozone hole period can be sufficient to induce sunburn, and are about twice as great as those that would have occurred prior to the onset of ozone depletion.