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- absolute isotopic abundance measurement 绝对同位素丰度测量
- isotopic abundance measure 同位素分丰度测量
- isotopic abundance measurement 同位素丰度测量
- Eight equations computed isotopic abundance and two equations computed isotopic abundance ratio have been given. 给出八个计算丰度公式和两个计算同位素比公式。
- The isotopic abundance ratio and content are determined with isotopic mass-spectrometry. 文章用同位素质谱法测定了辐照堆元件铀的同位素丰度比和含量。
- Inorganic Mass Spectrometry is preferably used each time extremely low concentrations and isotopic abundance are to be determined. 每当测定非常低的浓度和同位素丰度时总是首先使用无机质谱法，
- This chapter summarizes the fundamental aspects of MS, with reference to topics such as isotopic abundance and accurate mass and resolution. 关于题目，例如同位素的丰富和准确的群众和决定，这章总结MS 的基本的方面。
- 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。
- By this method the magnitude of isotope shift, isotope abundance ratio, Lorentz width and Doppler width of the spectral profile can be deduced. 由此可获得同位素效应的光谱线位移量、同位素的丰度比及其光谱线的洛仑兹宽度与多普勒宽度。
- The good they have done for me is beyond measure. 他们对我所做的好事简直无可估量。
- Analyzing isotopic abundance by method of relative efficiency 相对效率法同位素丰度分析的研究
- Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration, and a thermal surface ionization mass sepctrometry equipped with multicollector has been used. 采用全蒸发技术、离子流强度积分的方式，用多接收器热表面电离质谱计测量铀同位素丰度。
- Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used. 采用全蒸发技术、离子流强度积分的方式,用多接收器热表面电离质谱计测量铀同位素丰度。
- We need a yardstick to measure our performance by. 我们的表现需要一个检验的标准。
- There was an abundance of corn last year. 去年玉米丰收。
- That measure will be carried into effect very soon. 这项措施将在最近付诸实施。
- She had an abundance of very black hair. 她有一头浓密的深黑色头发。
- His resignation is a measure of how angry he is. 从他辞职一事可见其气愤的程度。
- An array or abundance of gimmicks. 巧妙装置一系列的或大量的别致玩意儿
- ACTIVATION METHODS OF DETERMINATIVE ISOTOPIC ABUNDANCE AND ITS APPLICATION 同位素丰度测定的活化法及其应用
