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- positive thermal ionization mass spectrometry 热电离质谱法
- Keywords Foraminifera;boron;separation;positive thermal ionization mass spectrometry; 有孔虫;硼;分离;正热电离质谱法;
- Positive thermal ionization 正热电离
- positive ion thermal ionization mass spectrometry 正热电离质谱法
- Detecting negative ions by thermal ionization mass spectrometer (TIMS) was one of the most important hot spots in the mass spectrometry field. 用热电离质谱仪检测负离子,因技术上的原因,一直是国际质谱界关注的热点问题之一。近几年来,在此领域的探索取得突破,发展迅速。
- The measurement method of the isotopic abundance ratios for the nanogram samarium was performed by Finnigan MAT 262-RPQ thermal ionization mass sepctrometer. 本文简介了使用Finnigan MAT 262热电离质谱仪对超微量钐天然同位素丰度比的精密测定。
- Abstract The technique of Negative Thermal Ionization (NTI) and its applications to analyze various trace anions, as well as some measured results have been reviewed in this paper. 摘要 本文介绍负热电离技术及其在各种负离子分析中应用和某些测定结果。
- The theory of thermal ionization mass spectrometry has been deeply discussed and the procedures for high-precision measurement of isotopes of lithium,indium and cerium have been established. 该成果对质谱中的热电离理论进行了较深入地讨论，建立了高精度质谱测定锂铟铈同位素的方法。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- thermal ionization mass spectrometer 热电离质谱仪
- thermal ionization mass spectrometry 热电离同位素质谱
- thermal ionization mass spectrometry uranium series 热电离质谱铀系
- Thermal ionization mass spectrometry (TIMS) 热电离质谱
- negative thermal ionization mass spectrometry 负离子热电离质谱法
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- I'm positive she told us to meet at noon. 我肯定她是告诉我们在中午见面。
- This charge is a positive charge. 这个电荷是正电荷。
- negative thermal ionization mass spectrometry (NTIMS) （NTIMS）
- She shows a very positive attitude to her work. 她工作态度非常积极。
- Can you be positive about what you hear? 你对听到的话有把握吗？
