radioactive isotope
[核] 放射性同位素
2025-11-01 12:05 浏览次数 9
[核] 放射性同位素
radioisotope[核] 放射性同位素
natural radioactive isotope天然放射性同位素
radioactive isotope power supply放射性同位素电源
radioactive isotope chronology放射性同位素年代学
radioactive krypton isotope放射性氪同位素
radioactive xenon isotope放射性氙同位素
radioactive isotope assay放射性同位素分析法
artificial radioactive isotope[核]
radioactive E isotope放射性同位素
a radioactive isotope of carbon, especially carbon14.
碳的一种放射性同位素。
「what it amounts to, 」 said billings, 「is that the goose can convert any radioactive isotope into a stable one…」
「也就是说,」比林斯说道,「这只鹅能够把任何放射性同位素转变成稳定的同位素……」
those radioactive elements are n-16 the radioactive isotope (or version) of nitrogen (air).
这些发射性元素包括:氮16(空气中氮元素的放射性同位素)。
the contents concern in the development of radioactive isotope tracer energy spectrum logging device, the calibration experiment in model well, the analysis of experimental data, the data …
实验结果表明,放射性同位素示蹤能谱测井技术在理论上和生产中具有良好的应用前景。
conclusion it is not difficult to diagnose rt correctively. cervico thoracic x ray film, radioactive isotope and ct checking can ensure the extent and character of the retrosternal part.
结论rt诊断并不困难:颈胸部x线检查、放射性核素扫描及ct检查可明确程度及性质;
brachytherapy, the direct application of a radioactive isotope into the tumor bed, delivers a high dose to the tumor as compared to the surrounding normal tissue.
近距离,直接应用放射性同位素到肿瘤床,提供了高剂量的肿瘤相比,周围的正常组织。
「what it amounts to, 」 said billings, "is that the goose can convert any radioactive isotope into a stable one. it has developed the perfect defense against radiation sickness.
「也就是说,」比林斯说道,「这只鹅能够把任何放射性同位素转变成稳定的同位素,它产生了一套完整的放射性疾病防御系统。」
the radioactive isotope strontium-90, one of the by-products of the bombs, spread into the atmosphere, fell onto the land, was ingested by dairy cows and passed into the milk supply.
炸弹的副产品之一的放射性同位素锶-90扩散到空中,降落到地面,被奶牛摄取,然后通过牛奶供应传递出去。
uptake, translocation, and distribution of 14c-labelled oligosaccharides in watermelon seedling were investigated by the means of radioactive isotope tracer.
应用同位素示蹤技术研究了14c-寡糖在西瓜幼苗植株体内的吸收、传导和分布行为。
a radioactive isotope of cobalt with mass number 「0 and exceptionally intense gamma-ray activity, used in radiotherapy, metallurgy, and materials testing.
钴的一种放射性同位素,质子数」0,具有异常强烈的伽马射线作用,用于放射疗法、冶金和材料测试。
at present, radioactive isotope tracing and impulse oxygen activation are the two mostly used methods for injection profile logging in separated-zone water injectors.
配注井注入剖面测井中最常用的方法是放射性同位素示蹤和脉沖中子氧活化。
the poisonous, harmful or radioactive workplace is prone to contingent occupational injuries or the transportation/storage of radioactive isotope fails to meet the provision of article 23 hereinabove;
有可能发生急性职业损伤的有毒、有害工作场所、放射工作场所或者放射性同位素的运输、贮存不合适合本法第二十三条规定的;
for instance, because it takes only 8 days for the radioactive isotope iodine-131 to decay away to half its original level of radioactivity, simply waiting should be a fix.
例如,碘-131的放射性只需要八天就衰减到它原来的一半,所以只需要等一等问题就能解决。
a radioactive isotope of thorium with mass number228.
玛丽发现了另一种物质,叫钍。