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isotope

美 [ˈaɪsətoʊp]英 [ˈaɪsətəʊp]
  • n.同位素

复数: isotopes

isotopeisotope

noun

physics 物 chemistry 化同位素
one of two or more forms of a chemical element which have the same number of protons but a different number of neutrons in their atoms. They have different physical properties (= characteristics) but the same chemical ones

radioactive isotopes

放射性同位素

the many isotopes of carbon

碳的诸多同位素

isotope

频次

  • 1
    N-COUNT 同位素
    Isotopes are atoms that have the same number of protons and electrons but different numbers of neutrons and therefore have different physical properties.

    ...tritium, a radioactive isotope of hydrogen.

    氢的放射性同位素氚

noun

1
one of two or more atoms with the same atomic number but with different numbers of neutrons

数据来源:WordNet

  1. How to apply a radio isotope ?

    如何运用放射性同位素?

  2. Quality Control and Quality Evaluation of Analytical Data in Isotope Geology

    同位素地质样品分析的质量监控与质量评估

  3. the many isotopes of carbon

    碳的诸多同位素

  4. Tritium is one of the mildest radioactive isotopes .

    氚是最和缓的放射性同位素之一

  5. Analysis of Isotope Scanner 's Image Signal Characteristic and Processing Methods

    同位素扫描仪的图象信号特点分析及处理方法

  6. Application of Stable Carbon Isotope Analysis in the Research on Global Climate Change

    全球气候变化研究的新技术&稳定碳同位素分析的应用

  7. A New Sample Preparation Method for Hydrogen Isotope Analysis

    氢同位素分析样品制备新方法

  8. Study on The Exchange Process of Uranium and Its Isotope

    铀和铀同位素的离子交换过程研究

  9. Application of isotope testing in the investigation of karst water

    同位素测试在岩溶水勘察中的应用

  10. A Study on Analytic Method of Helium Isotope for Solid Sample

    固体样品的氦同位素分析方法

  11. Discussion on the application of environmental isotope method in the study of mine flooding condition

    环境同位素方法在矿坑充水条件研究中的应用探讨

  12. Design and Application of Double Isotope Release Unit

    双同位素释放器的设计与应用

  13. Geochemical features of the urban environmental lead isotope in Chengdu City

    成都市城市环境铅同位素地球化学特征

  14. Study on the diet of ancient people by analyzing bone elements and isotopes

    应用古人骨的元素、同位素分析研究其食物结构

  15. Application of portable fluorescence of isotope sources in the alloy classification

    便携式同位素源X射线荧光仪在合金分类中的应用

  16. The Application of Stable Isotope Labelled Drugs in Clinical Pharmacokinetic Study

    稳定同位素标记药物在临床药代动力学研究中的应用

  17. Measurement of small intestine protein fractional synthesis rates with stable isotope

    稳定性核素测定大鼠小肠蛋白质合成对氯苯甲醛的合成

  18. Carbon isotope composition in soil microbial biomass and organic carbon isotope effect

    贵州山区土壤微生物生物量的碳同位素组成与有机碳同位素效应

  19. Quantitative Proteomics Using Isotope Labeling Techniques and Its Recent Application

    定量蛋白质组同位素标记技术及应用

  20. Background of stable isotope application to plant physiological ecology

    稳定性同位素在植物生理生态学研究中应用的基本原理

  21. Root exclusion method and ③ isotope method .

    根去除法;③同位素法。

  22. The isotope component analysis of heavy ion beam with accelerator mass spectrometry

    重核离子束成分的加速器质谱分析

  23. Carbon and nitrogen stable isotope are used as indicators of nutrient changes .

    利用C、N同位素组成的变化指示水体中营养状况的变化。

  24. Application of environmental isotope and fuzzy clustering method to study of seepage from dykes

    应用环境同位素和模糊聚类方法研究堤防渗漏

  25. Hydrogen Isotope Analysis of Heavy Water

    重水的氢同位素组成分析

  26. Experimental study of the isotope tracing method to test the MULTIPLE-AQUIFER mixed well

    同位素示踪法测定多含水层混合井试验研究

  27. Lead isotope features of gold deposits of Liaoning Province and its geological significance

    辽宁省金矿床铅同位素组成特征及其地质意义

  28. Hydrogen and Oxygen Isotope Research of Global Precipitation

    全球降水氢氧同位素研究进展

  29. Determination of trace uranium in soil by isotope dilution mass spectrometry

    同位素稀释质谱法测定土壤中微量铀

  30. Collect and process the signals of isotope measurement

    射线测试仪的信号采集与处理