Radioactive elements

Contents of trace radioactive elements in main foods in Shanghai

上海主要食品中微量放射性元素的含量

Several Important and Common Radioactive Elements

几种重要和常见的放射性元素

Students tend to political identity of radioactive elements and return a parse

大学生政治认同趋向的放射与归一要素解析

Dispersion , of ceramic products and mixtures containing radioactive elements

含放射性元素的陶瓷产品和混合物的分散体

Intial study of radioactive elements for memory of geological events

元素对地质事件记忆的初探

The rate at which radioactive elements disintegrate varies from one element to another .

放射性元素的衰变速度随元素种类的不同而不同。

Biogeochemistry of natural radioactive elements in soils of loess region in

中国黄土地区土壤中天然放射性元素的生物地球化学

Relationship between mapping units of metamorphic rocks and the distributive characteristics of radioactive elements

变质岩填图单位与放射性元素分布之间的关系

Determination of Content and Specific Activity of Radioactive Elements in Phosphate Slag by Spectral and Energy Spectrum Analysis

光谱和能谱法测定磷矿渣中放射性元素的含量和比活度

Activation determination of natural radioactive elements in drill bore sediments of the Indian Ocean

印度洋海底钻孔样品中天然放射性元素的活化测定及其提供的古温度信息

The mechanism of migration and concentration of radioactive elements and entering human body by food is analyzed and discussed .

剖析、探讨了放射性元素迁移、富集、通过食物链进入人体致病机理。

Waste of radioactive elements in the process of decay , will be given off a lot of heat .

核废料中的放射性元素，在其衰变的过程中将会放出大量的热量。

The Process and Mechanism Study on Removing fluoride and Radioactive Elements of the Drinking Water Source in the Mine District

矿井水中氟化物及放射性核素去除研究

Radioactive elements of rocks in North China platform and the thermal structure and temperature distribution of the modern continental lithosphere

华北地台岩石放射性元素与现代大陆岩石圈热结构和温度分布

[ Methods ] Surveillance was carried out on the natural radioactive elements in the construction products according to the national criteria .

方法参照国家有关标准对佛山地区部分建材产品的天然放射性核素进行监测。

Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals .

人们通常用矿物中所发现的各种放射性元素的衰变率来计算地质年代。

The radioactive elements are enriched in yellow phase material which would seriously affect the quality of vitrified glass .

黄相将浓集放射性元素，严重影响产品固化玻璃质量。

These radioactive elements are by-products of the fission reaction that generates power in the nuclear plants .

这些放射性元素为核电站裂变发电时的副产品。

I shall now speak to you of the experiments which have led us to obtain by transmutation new radioactive elements .

我现在跟诸位讲讲那些使我们通过蜕变法获得新的放射性元素的实验。

This paper introduces the properties and application of some radioactive elements , aiming at making people to understand and use radioactive elements correctly .

简单地介绍了一些放射性元素的性质和应用，以便人们正确的认识和利用放射性元素。

Some medicines , like Prussian blue pills , can help expel radioactive elements from the body .

普鲁士蓝药片等药物可以将放射性元素排出体外。

Radium and uranium are radioactive elements .

镭和铀是放射性元素。

Could you tell me the name of the scientist who discovered two new radioactive elements , radium and polonium ?

你能告诉我发现了两种新放射性元素，镭和钋的科学家名字吗？

Other substances such as nitrosamines , arsenic , and some radioactive elements can also be carcinogenic .

其他物质如亚硝胺、砷和一些放射性元素也有致癌作用。

Simultaneous Determination of natural Thorium and Uranium at Radioactive Elements in Imported Milk - powders by ICP - MS

应用等离子体质谱法同时测定进口奶粉中天然放射性钍和铀

At high , sustained doses , these radioactive elements ─ including iodine and cesium ─ can be dangerous to human health .

如果人体持续暴露在有高剂量放射性物质的环境中，生命健康将受到危害。碘和铯等都属于放射性物质。

A series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium .

15个从锕到铹的原子量递增的放射性元素。

Cermet containing radioactive elements

含放射性元素的金属陶瓷

Determination of natural radioactive elements in slag , brick made from coal ash and other building material by INAA and their radiation save analysis

矿碴、煤灰砖及其它建筑材料中天然放射性元素含量的中子活化分析及辐射安全分析

Everywhere are traces of the sudden appearance of rare radioactive elements like plutonium , a legacy of nuclear weapons .

到处都有迹可循的是诸如核武器或燃料等设备中才涉及到的钚这类放射性元素的突然微量出现。