Sentences with phrase «normal radiation dose»
They mostly just go through us, but because of their large numbers contribute about 1/6 of our normal radiation dose.
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Levels detected in a short duration pulse at the plant itself have reached as high as 8,217 microSieverts per hour, or eight times the dose endured in a typical CT scan and four times the normal dose of background radiation in a year.
The response was proportional to radiation dose, and in the most contaminated regions, the leaf loss was 40 percent less than in control regions in Ukraine with normal background radiation levels.
The radiation dose is precisely measured and carefully aimed to kill as many cancer cells as possible while sparing normal tissue.
2004: IMRT (Intensity Modulated Radiation Therapy) Program began to deliver high - precision radiation that conforms to the three dimensional shapes of tumors and delivers higher and well defined doses of radiation to tumors, and even specific areas within tumors, while minimizing radiation to surrounding normal tissue.
MIBG is a form of radiation therapy directed specifically to neuroblastoma cells, sparing normal tissue from high doses of radiation.
To protect normal cells, veterinarians carefully limit the doses of radiation and spread the treatment out over time.
The brief high doses of radiation that damage or destroy cancer cells can also injure or kill normal cells.
It precisely delivers a high dose of radiation to a very focal area in the brain while avoiding normal brain tissue.
The selection of a radiation dose is based on considerations of tumor type, tumor location, and on the tolerance of the normal tissues surrounding the tumor.
The LINAC has multi-leaf collimators which enable veterinary radiation oncologists to shape the radiation field to the contours of the tumor and minimize dose to the surrounding normal tissues.