Sentences with phrase «radiation dose rates»

The black points are from a NASA computer model (NAIRAS) predicting radiation dose rates.

In 2014, Schwadron and his team predicted around a 20 percent increase in radiation dose rates from one solar minimum to the next.

«The radiation dose rates from measurements obtained over the last four years exceeded trends from previous solar cycles by at least 30 percent, showing that the radiation environment is getting far more intense,» said Nathan Schwadron, professor of physics and lead author of the study.

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

Not exact matches

«The ideal next step,» Prof Morris will say, «would be to undertake randomised comparisons of LDR - PB boost against its principal alternatives — temporary high - dose - rate brachytherapy implants (HDR - PB) 3, stereotactic body radiation therapy using extreme hypofractionation4, and combined surgery and post-operative radiation therapy.

Presenting these results at the 3rd ESTRO Forum in Barcelona, Spain, today (Monday) Professor James Morris, from the Department of Radiation Oncology, Vancouver Cancer Centre, British Columbia Cancer Agency (BCCA), Vancouver, Canada, will say that the ASCENDE - RT1 trial is the first and only existing trial comparing low - dose - rate prostate brachytherapy (LDR - PB) for the curative treatment of prostate cancer with any other method of radiation therapy delivery.

The big corrections are dose rate, type of radiation, and the differences between the populations who are exposed.

Administering a dose of resveratrol equivalent to the amount in a glass of red wine also nearly tripled the survival rate of human cells that were exposed to radiation.

The leukaemia rate in children whose fathers accumulated the highest doses of radiation before conception (more than 100 millisieverts) was nearly six times greater.

But, if a child is classified as high - risk, the survival rate falls to approximately 50 percent even with an aggressive treatment plan that includes high - dose chemotherapy, surgery, stem cell transplant, radiation and immunotherapy.

For γ - radiation tumorigenesis, 1 - month - old mice were irradiated weekly for 4 weeks with a 1.75 - Gy dose from a 137Cs source (MARK 1 - 30 Irradiator; Shepherd & Associates) at a rate of 1.14 Gy / min.

When airplanes fly through these clouds, dose rates of cosmic radiation normally absorbed by air travelers can double or more.

«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.