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同位素的测量 推广链接
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提供同位素等产品
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美国光谱特种气体同位素 全球领先
美国光谱特种气体公司是同位素,氘代硅烷等产品的唯一生产商.研发,生产超高纯气体,特种www.spectragases.com.cn
同位素_百度百科
定义 具有相同质子数,不同中子数(或不同质量数)同一元素的不同核素互为同位素。 这里的原子是广义的概念,指微观粒子。 例如氢有三种同位素, H氕、 D氘(又叫重氢)、 T氚(又叫超重氢);碳有多种同位素,例如 12C(12为上标,..共26次编辑
baike.baidu.com/view/1160.htm 2010-1-22
同位素--科技--人民网
同位素2007年10月16日16:50 来源:人民网科技 【字号 大 中 小】 打印 留言 论坛 网摘 手机点评 纠错 E-mail推荐: (Isotopes)原子核具有相同质子数,不同...
scitech.people.com.cn/GB/6386349.html 2009-8-15 - 百度快照
中国同位素公司
位于北京,从事同位素产品的研制、生产。
www.china-isotope.com/ 2009-2-18 - 百度快照
同位素列表 - 维基百科,自由的百科全书
同位素列表列出了所有已知的化学元素的同位素。此表由左到右按照原子序数的增长而排列,由上到下依照中子数目由少到多排列。 表格中的颜色表示各个同位素的半衰期(...
zh.wikipedia.org/wiki/鍚屼綅绱犲垪琛?2009-8-13 - 百度快照
同位素、同位异形体、同分异构体、同系物的区别?_百度知道
同分异构体、同系物都是有机物层面的 同位素同属于某一化学元素,其原子具有相同数目的电子,原子核也具有相同数目的质子,但却有不同数目的中子。例如氕、氘和氚,...
zhidao.baidu.com/question/6441267.html 2008-12-20 - 百度快照
百度_bobjones-谈圣经与基督信仰吧_BOBJONES-同位素检测法证明了...
4 回复:BOBJONES-同位素检测法证明了地球的年龄为46亿年??? ...5 回复:BOBJONES-同位素检测法证明了地球的年龄为46亿年??? ...
tieba.baidu.com/f?kz=111656226 2008-10-18 - 百度快照
同位素化学_百度百科
同位素化学是研究同位素在自然界的分布、同位素分析、同位素分离、同位素效应和同位素应用的化学分支学科。 同位素化学的发展历史 19世纪末,由于电子、X射线和放射性的...
baike.baidu.com/view/25382.htm 2009-12-26 - 百度快照
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