With the development of science and technology,people known about the radioactive elements more and more.
随着科技的发展,人们对放射性元素的认识日益加深,普通百姓越来越关注放射性元素对生活的影响。
U and Th are radioactive elements.
U和Th是放射性元素,K、Fe、Mo、Mg和Zn是植物生长需要的必要营养元素。
The radon and its daughter elements are the decay products of the radioactive elements such as uranium and thorium and the important carcinogenic factor of causing the lung cancer.
氡及其子体是铀、钍等放射性元素产物,是引发肺癌的重要致病因子。
The field investigation opens out the secret of the harm by radioactive elements to the health of some villagers around Anshan.
通过实地调查,揭示了鞍山周边部分村民受放射性元素致害之迷。
The radioactive element distribution in the granulites and charnockites of the Precambrian basement of Yunkai,Western Guangdong,has been determined.
粤西云开前寒武纪基底的麻粒岩、紫苏花岗闪长岩和紫苏闪长岩的放射性元素分布具有明显的规律,K/Rb比值分别为117~202,94~129,78~89,Th/U比值分别为15~30,11~20,25~78,U的含量范围分别为0。
They can be pided into 4 types according to the ratio of intensity and width in the middle of Raman absorption peak at 1000 cm-1 (H/W) and contents of radioelements(wB).
为获得锆石变生程度与放射性元素质量分数之间的相互关系,对来自山东蒙阴金伯利岩中的锆石进行了阴极发光、激光拉曼光谱、离子探针测试和研究。
Geothermic and astrolithological studies indicated the exponential attenuation of the Earths radioelement consistency along the depth.
通过地球排气现象的研究指出 ,正是类地行星及小行星演化中的排气作用 ,将放射性元素带到了类地行星及小行星的表面 ;而且演化时间越长的类地行星 ,深部的放射性元素也越少 。
preparation and application of artificial radionuclides
人工放射性核素的制备和应用
Research on Monitor Technology of Manmade Radioactive Element's Aerosol;
人工放射性核素气溶胶监测技术研究
A nuclide that exhibits radioactivity.
放射性核素表现出放射性的核素
radioisotope battery
【核】放射性同位素电池
radionuclide studies in oncology
肿瘤放射性核素检查
medical radionuclide preparations
医用放射性核素制剂
movement of environmental radioactive nuclide
环境放射性核素移动
radionuclide beam therapy equipment
放射性核素束治疗装置
radionuclide clearance technique
放射性核素清除技术
radionuclide contact therapy
放射性核素接触治疗
secondary natural radionuclides
次生天然放射性核素
spallogenic radionuclide
散裂生成放射性核素
displacement law of radionuclide
放射性核素位移定律
extinct natural radionuclides
消失的天然放射性核素
induced natural radionuclide
感生天然放射性核素
radionuclide phase analysis
放射性核素相位分析
radionuclide in vitro image
放射性核素体外图像
radionuclide fluorescence analysis
放射性核素荧光分析