单词：unstable nucleus
单词：unstable nucleus 相关文章
You're up, I'm just getting in So rough, God knows where I've been Your eyes are staring at my sins There's no time to speak our minds All of our frustrations on hold 'Cause you don't know the life that I know Standing straight but I'm off the wall Y
节奏布鲁斯
Science and Technolgy. 科技。 Modern alchemy. 现代炼金术。 Turning a line. 进入新的一行。 The race to extend the periodic table continues. 扩展元素周期表的比赛仍在继续。 ONE of the first inklings that chemistry has an u
经济学人科技系列
As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la
2014年VOA慢速英语(八)月
Speaking in 65 different languages from the central balcony of Saint Peter's Basilica, Pope Benedict offeres a blessing of peace and joy for the holiday. Sabina Castelfranco | Rome 25 December 2009 Photo: AP Pope Benedict XVI gestures to the faithful
VOA标准英语2009年(十二月)
To explain what kept atoms together, other forces were needed, and in the 1930s two were discovered: the strong nuclear force and weak nuclear force. The strong force binds atoms together; its what allows protons to bed down together in the nucleus.
万物简史
You're up I'm just getting in So rough god knows where I've been Your eyes are staring at my sins There's no time to speak our minds All of our frustrations on hold 'Cause you don't know the life that I know Standing straight but I'm off the wall You
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