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- 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。
- Keywords Construction materials;Natural radioactive nuclide;Niton; 建材;天然放射性核素;氡;
- Analysing the Content of Natural Radioactive Nuclide in Building Stone Commonly Used in South Fujian 闽南常用石材天然放射性核素含量分析
- INVESTIGATION ON NATURAL RADIOACTIVE NUCLIDE CONTENTS OF ROCK PRODUCTS IN XI'AN CONSTRUCTION MATERIALS MARKET 西安建材市场石材中天然放射性核素含量调查
- Natural Radioactive Nuclide Level of the Agricultural-animal Products and Annual Comunity Intake in Lanzhou City 兰州市农畜产品天然放射性核素含量水平与公众年摄入量
- Keywords building stone;natural radioactive nuclide;South Fujian;health protection; 石材;天然放射性核素;闽南;卫生防护;
- Natural radioactive nuclide 天然放射性核素
- The device can meet the requirement of radioactive nuclide migration test and may also be used for other purpose. 该装置能满足现场核素迁移试验使用要求,也可用于其它需要模拟降雨的试验研究中。
- The latter includes radioactive nuclide tracing, radioac-tive nuclide dating and radioactive pharmaceuticals. 后者则主要包括放射性核素测年、放射性核素示踪和放射性药物。
- Objective To evaluate the effect of airtight transfusion system without needle for the patients injected with radioactive nuclide. 目的探讨无针密闭输液操作系统在放射性核素注射中的应用效果。
- Radioactive nuclide lung perfusion plays an important role in diagnosis of PE.The standard thrombolytic therapy may improve the prognosis significantly. 肺灌注显像具有一定的诊断价值,规范化溶栓治疗,可显著改变预后。
- Its study indicates that the amount of U radioactive nuclide contained in stone-coal in some areas is very high,which is the main source of the radioactive pollution. 研究表明,有些地区石煤中放射性核素U含量很高,放射性污染主要是由放射性核素U的高含量引起的。
- An Investigation on Natural Radioactive Lev-els and Their Distribution in Liangshan Regi-on, Sichuan Province. 凉山州天然放射性水平及其分布
- Polonium is a naturally radioactive metallic element. 钋是一种具有天然辐射性的金属元素。
- Alpha particles are positively charged helium nuclei obtained from natural radioactive decay. 粒子是从天然放射性蜕变得到的带正电的氦核。
- As a product from the uranium disintegration, radon is a natural radioactive idle gas. 氡是天然放射性惰性气体,是铀系衰变链中的一个衰变产物。
- Radioactive nuclide myocardial imaging revealed that cardiac apex and left ventricle anterior wall showed radioactive nuclide perfusion filling defect, thin ventricular wall and ventricular aneurysm. 放射性核素心肌显像可见心尖和左室前壁呈放射性的核素灌注充盈缺损,室壁变薄,有室壁瘤形成。
- Objective:To study the selection of nuclide and how to reduce the side effect to body from radiation of nuclide of internal irradiation therapy liver cancer by radioactive nuclide. 目的:探讨放射性核素内照射治疗肝癌时核素的选取以及如何减少核素辐射对身体的副作用。
- This paper summarizes the quality assurance work of external exposure mea-surement for national survey of environmental natural radioactive level. 本文总结了全国环境天然放射性水平调查外照射测量的质量保证工作。
- No colour and no smell, arising from the decay of radium, is the only natural radioactive inert natural gas, the proportion is 7.5 times the air. 没有颜色也没有任何气味,由镭衰变而产生,是自然界惟一的天然放射性惰性气体,比重是空气的7.;5倍。