background radiation造句

background radiation

background radiation intensity

The unwanted radiation is referred to as background radiation.

Possibly we are accustomed, biologically speaking, to this background radiation.

It is integrated with the functional modules for hull radiation, stack plume radiation, sea-sky background radiation, atmospheric transmission and infrared seeker.

This cosmic microwave background radiation, they said, represents the ancient afterglow of the big bang.

But natural background radiation is more than 100, 000 times the highest levels detected.

Study on antioxygen level in inhabitants of high background radiation area in Yangjiang

Radiation is harmful to living things, yet the long-term effects of persistently high levels of background radiation on ecosystems are poorly understood.

Radiation levels measured to date in other countries are far below the level of background radiation that most people are exposed to in every day circumstances.

However, measurements of the cosmic microwave background radiation temperature suggest that its structure may have some systematic order.

The distance fromFermilab to Homestake is twice that to Soudan, and Homestake is alsotwice as deep, which means that background radiation would be extremelylow.

Using continuous reproductive tests, fertility of mice and the development of their offspringswere observed to evaluate the safety of the high background radiation containing drinking water.

Coincidentally, other astronomers have come to the same conclusion by measuring the fluctuations of the cosmic microwave background radiation in space.

Data from the Wilkinson microwave Anisotropy Probe (WMAP) can show the minute temperature changes created as the cosmic microwave background radiation moves through gases in galaxy clusters.

These quasar jets are formed when electrons emitted from a black hole impact with cosmic background radiation left by the big bang, giving astronomers clues about the conditions in the early universe.

And Wilson and Penzias discovered the cosmic microwave background radiation, physical evidence for the Big Bang, while fiddling with an antenna designed to catch radio waves bouncing off satellites.