本帖最后由 卓越地毯清洗 于 2015-10-24 22:16 编辑 ( m9 n9 n" u8 |' j % v: Q# j+ U, c2 ]阿尔伯特的Radon比安省还厉害。这是CBC上报道的。别道听途说了。还是少在地下室呆着吧。 + }+ W9 r2 z$ S0 Y1 e4 c& V% d8 A. |8 ?
Radon is produced naturally when uranium in soil breaks down. However, it's also the second leading cause of lung cancer in Canada and nearly half of Prairie homes have amounts exceeding Health Canada's safety guidelines. 7 E8 Y0 l" P% B) z; q7 O & G/ P/ U2 s- r" L出处: ; s8 g2 r- q& x, N' c* Bhttp://www.cbc.ca/news/canada/ca ... r-experts-1.2505835
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氡气是一种比氢气还轻的气体??!! 4 _6 R4 f$ x7 o. c; cOH MY GOD u9 ?+ p% p. g
你那里听说的?学过化学的都知道氡气是室温下密度最高的气体啊,没有之一,是最高!!7 n4 V" W i O9 y/ j$ v
你说的那个验房师是谁啊,妥妥滴出来害人的有米有哇