aThe curies spent several years trying their best to find the element that produced radiation 居里度过了设法他们最佳的几年发现引起辐射的元素[translate] ahad declared that uranium gave off 宣称铀释放了[translate] a什么样的感觉?给我说说看! What type feeling? To me said looked![translate] ...
How did Henri discover radioactivity? In 1901 Becquerel made the discovery that radioactivity could be used for medicine. Henri made this discovery whenhe left a piece of radium in his vest pocket and noticed that he had been burnt by it. This discovery led to the development of radiotherapy ...