用radon造句子，“radon”造句

Due to dilution in the air, outdoor radon levels are usually very low.

Passive systems of mitigation have been shown to be capable of reducing indoor radon levels by up to 50%.

However, all the scientists agree that more data is necessary to prove that radon levels in water are associated with the possible birth of an earthquake.

For example, indoor radon exposure was estimated to cause between 3-14 % of all lung cancers in 2004, the second most important cause of lung cancer in many countries.

Two other air pollutants require some mention: radon and asbestos.

When inhaled, the radiation exposure from radon may lead to lung cancer.

Indoors, radon levels are higher, with highest levels found in places such as mines, caves and water treatment facilities.

As a result, radon progeny may be deposited on the cells lining the airways where the alpha particles can damage the DNA and potentially cause lung cancer.

Radon escapes easily from the ground into the air, where it disintegrates through short-lived decay products called radon progeny.

Significant health effects have been seen in uranium miners who are exposed to high levels of radon.

Although the easier ionization of radon leads one to expect the most extensive chemistry for that element, the high instability of even the most stable isotope has severely limited studies of it.

These sources of water normally have much higher concentrations of radon than surface water from rivers, lakes and streams.

Outdoor radon levels are usually very low.

That's a huge dose when you consider that each year we receive an average of 2.4 millisieverts from natural sources such as radon.

Overall, reducing radon exposure is an important contribution to the goal of good quality indoor air.

External environmental causes of cancer are factors in the environment that increase risk of cancer such as air pollution, UV radiation and indoor radon.