Sentences with phrase «by radiation»

Surgery to remove the tumor may be done and is usually followed by radiation therapy.
It is a critical pathway mutant cancer genes use to communicate with cancer cells and recover from damage caused by radiation treatment.
These are created by radiation of many kinds, some coming from above, such as cosmic rays, and some from rocks, such as the decay of radioactive minerals.
The optimal treatment protocols (doses, frequency) and the level of benefit offered by radiation therapy require further study.
Since B12 helps repair DNA that is damaged by radiation or oxidation, it plays a role in protection against cancer.
Heat is lost by radiation, convection and evaporation.
Normal cells are also affected by radiation but, unlike cancer cells, most of them recover from the effects of radiation.
Surgery, followed by radiation treatment, is usually recommended, but it is difficult to remove every last cancer cell and the tumor often rebounds.
Unfortunately, normal healthy cells may also be damaged or destroyed by the radiation procedure, particularly cells that make up your cat's intestinal lining, bone marrow, and immune system.
Global climate is determined by the radiation balance of the planet (see FAQ 1.1).
Without this protective field, the upper atmosphere was vulnerable to being stripped away by radiation constantly streaming from the sun, known as the solar wind.
The British government's chief adviser on radiation is urging lower dose limits for workers and the public in the light of a recent review of the dangers posed by radiation.
The drugs would suppress the nausea caused by radiation on the battlefield.
Any absorption by radiation would result in the gases getting warmer than their equilibrium temperature.
Average global warming of less than 1 °C in the last 30 years has extended the northern hemisphere growing season by up to 11 days, but plants are still limited by radiation.
To heat an atmosphere takes molecules that can be excited by radiation.
They can also be fooled by radiation - absorbent materials, like lead, that soak up low - energy gamma rays.
This cloud of gas and dust is being shaped by the radiation of nearby stars.
So the observed «interactive effect» is nothing more than the standard inhibition of cell growth by radiation.
«The report was written by radiation scientists not by public health specialists,» he says.
Being bombarded by radiation, those dust grains develop an electric charge.
The standard of care for locally advanced, which is usually treated by radiation and chemotherapy combination.
Since heavier elements were built by radiation processes, they were very radioactive when first made.
The only effect that radiation from a cooler atmosphere can have on the surface is to slow down the rate of thermal energy transferred by radiation to the atmosphere.
The water runs down the roof cooling by radiation to the night sky.
The majority of study participants had either low - or intermediate - risk disease, and were more likely to have been treated with surgery, followed by radiation and active surveillance.
In fact, research has shown that the damage your system will endure from a nutrient deficiency is hundreds of times greater than any damage caused by radiation or chemicals.
It is fastest over land where heat received by day is all lost by radiation to space at night although there are seasonal variations around the globe.
The outer regions of a massive star transport energy by radiation, with little or no convection.
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