Radon comes from traces of uranium and radium that exist in practically all rocks and soil.
氡来自痕迹铀和镭中存在的几乎所有岩石和土壤。
Prevalence of anxiety and depression in cancer patients seen at the Norwegian Radium Hospital
挪威肿瘤放疗医院癌症病人的焦虑和抑郁患病率
Influences of fiber core radium and offset on the coupled efficiency are discussed in detail.
详细分析了光纤芯径和偏移对光纤 波导耦合效率的影响。
The radium salts and zinc sulfide fluorescence powder Hunyun can produce permanent luminous powder.
把镭盐和硫化锌荧光粉混匀，可制成永久性发光粉。
She was the first to isolate pure radium, and was world renowned as the leading expert on radiation.
她以最早提炼出纯镭的第一位辐射学专家而闻名于世。
In the case of radium isolation was completely successful but required several years of unremitting effort.
镭得分离是完全成功得，但仍需多年不懈得努力。
Project of Forgeryproof Packing Materials and Radium Thermoprinting Materials Produced by Holographic Broad Moulded Technology
全息宽幅模压技术生产防伪包装材料和镭射烫印材料项目
The early response of intracavity afterloading treatment36 cases was compared with that of radium treatment36 cases in late cervical carcinoma.
介绍晚期宫颈癌后装腔内治疗与镭疗各36例近期疗效对比。
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