Radon Gas, a Known Carcinogen, Is EverywhereQ: We are looking for a newer home and I have a question about radon. We were told we had the...C. Dwight Barnett
Although radon gas is a known cause of lung cancer, the association between residential radon and mortality from non-malignant respiratory disease has not ... MC Turner,D Krewski,Y Chen,... - 《European Respiratory Journal》 被引量: 54发表: 2012年 Study of the response of superoxide dismuta...
chemical element,element- any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter argonon,inert gas,noble gas- any of the chemically inert gaseous elements of the helium group...
Radon-is-a-kind-of-inert-gas网络氡是一种惰性气体 网络释义 1. 氡是一种惰性气体 ... 她不能容忍孩子的懒惰。 She couldn't tolerate the child's laziness. 氡是一种惰性气体。 Radon is a kind of inert gas. ... www.nciku.cn|基于8个网页©...
Background: Radon gas is well known to cause lung cancer at high exposure levels. It is present to some extent in all residential homes in low concentrations. The health consequences of chronic low-level exposure are much more difficult to determine, but Health Canada estimates that radon is ...
the decay equation for radon-222 gas is known to be y=y0e^(-0.18t), with t in days. About how long will it take the amount of radon in a sealed sample of air to decay to 90% of its original value?求这道题的详细过程,都是数学的 谢谢!!
Why is Radon a Concern? Radon is known to cause lung cancer and it can seep into our homes and workplaces through cracks and openings in floors and crawlspaces. When this happens, radon becomes part of the air we breathe. Learn more about Radon gas Here...
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Radon is a naturally forming, radioactive, colorless, odorless, and tasteless gas. It’s found in almost all soil and is produced by a natural process as uranium breaks down into radium and then into radon gas. Radon in turn breaks down into solid radioactive elements known as “radon prog...
normal decay of uranium in rocks and soil. It is an invisible, odorless, tasteless gas that seeps up through the ground and diffuses into the air. In a few areas, depending on local geology, radon dissolves into ground water and can be released into the air when the water is[translate]...