1) natural radiation nuclei
天然放性核素
2) natural radionuclide
天然放射性核素
1.
Survey on the natural radionuclide in a mine;
某矿山天然放射性核素的调查
2.
Specific activity and distribution of natural radionuclides and ~(137)Cs in surface sediments of the northeastern South China Sea;
南海东北部表层沉积物天然放射性核素与~(137)Cs
3) Natural radioactive nuclide
天然放射性核素
1.
A report is made on the results of analysis the content of natural radioactive nuclide in 33 samples of building stone commonly used in South Fujian.
报道闽南常用石材的 33个样品中 ,天然放射性核素含量的分析结果 ,并按照国家有关石材产品分类标准进行划分 。
4) natural radionuclides
天然放射性核素
1.
A report is made on the inspection results of the content of natural radionuclides of decorative stone and glazed tiles commonly used in Xianyang.
报道了咸阳市常用装饰石材及彩釉砖样品中天然放射性核素含量的调查分析结果,并据国家建筑材料放射性核素含量最新标准进行分类分析。
5) Natural radionuclide transfer
天然放射性核素转移
6) natural radioactive nuclide uranium
天然放射性核素铀
1.
This paper reports the investigation results on natural radioactive nuclide uranium concentration of water specimen from Ba-river, which is the main branch of Wei-river in Lanrian in Shanxi province 56 sampling sites are set and 99 water specimen are collected.
报道了陕西境内谓河主要支流灞河兰田至谓河段水体中天然放射性核素铀浓度的调查结果,共布设采样点56个,采集水样99个。
补充资料:长寿命天然放射性核素
分子式:
CAS号:
性质:指半衰期和地球年龄(46亿年)相当或更长的、在自然界存在的放射性核素。主要是40K,235U,238U,232Th,87Rb,50V,113Cd,115In,123Te,138La,144Nd,147Sn,148Sm,152Gd,156Dy,176Lu,74Hf,187Re,186Os,190Pt。
CAS号:
性质:指半衰期和地球年龄(46亿年)相当或更长的、在自然界存在的放射性核素。主要是40K,235U,238U,232Th,87Rb,50V,113Cd,115In,123Te,138La,144Nd,147Sn,148Sm,152Gd,156Dy,176Lu,74Hf,187Re,186Os,190Pt。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条