搜索结果: 1-1 共查到“物理学 dangerous compound”相关记录1条 . 查询时间(0.057 秒)
Nuclear physics technique helps companies detect dangerous compound
Nuclear physics technique companies detect dangerous compound
2015/9/9
For decades, a particular class of toxic chemicals was added to everything from clothing to carpeting to fire-fighting foams to make them stain- or water-resistant or nonstick--until scientists discov...