氡气(Radon gas)是一种无色无味的放射性气体,主要来源于地壳中铀和钍的衰变,长期暴露于高浓度氡气环境可能引发肺癌,并损害呼吸和神经
(redirected fromRadon gas) Thesaurus Medical Financial Encyclopedia ra·don (rā′dŏn) n.SymbolRn A colorless, radioactive, inert gaseous element that is formed by the radioactive decay of radium and is used to produce neutrons for research. Its most stable isotope is Rn-222 with a half-...
The Professional Radon Gas Test Kits – All you have to pay is the $20 lab fee per detector when you return your detectors with the pre-paid postage envelope included in your kit. And you will receive your results within one week from when we receive your detectors. What is Radon?
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Norwegian AIRTHINGS Corentium battery-powered and portable detector for easy on-site monitoring of radon gas. Built-in average figures on 1-day, 7-day and long-term. Switchable unit in pCi/Lor Bq/m³. Self-calibrated with 10-year product life. Unlimited email and whatsapp support. One-...
Gas 1. 气体[U][C] gas n. 1.[U,C]气,气体 2.[U]煤气,天然气 3.[U]毒气 4.[U]【美国口语】汽油 v.[I] 1.放出(或发出)气体 2.【美国俚语】空谈,吹牛,胡扯,胡说: 3.【 GAS =Ghana Academy of Sciences加纳科学院 gas jar n. 煤气瓶 gas tar n. 煤焦油 gas(filled)phototube ...
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