isotope abundance
英 [ˈaɪsətəʊp əˈbʌndəns]
美 [ˈaɪsətoʊp əˈbʌndəns]
n. 同位素丰度
双语例句
- Simultaneous Measurement of Primary and Secondary Kinetic Deuterium Isotope Effects by Natural Abundance~ 2H NMR ⅰ. Inter-as well as Intramolecular Competition using Internal Reference
天然氘核磁共振测定一级和二级动力学氘同位素效应Ⅰ.内标的分子内与分子间竞争法 - 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。 - Theory about Determination of Isotope Abundance by Thermal Ionization
热表面电离源同位素丰度测量的理论模型 - The precision of the determination is iO. 1% for the ratio of thorium isotope abundance.
同位素丰度质谱测定精密度为±0.1%。 - Measurement of Sb Isotope Abundance by TIMS
用热表面电离质谱法测量高电离电位元素锑同位素丰度 - Primary and secondary kinetic deuterium isotope effects are measured simultaneously with compounds containing deuterium in natural abundance by~ 2H NMR according to the procedure described in the paper.
应用氘核磁共振，而不用特别氘代化合物同时测定一级和二级动力学氘同位素效应。 - An analysis of Li and B isotope abundance in eleven interplanetary dust particles
11颗行星际尘粒中的锂、硼同位素丰度分析 - In this paper, formulas for relationship among oxygen mass spectra peak heights and for calculating oxygen isotope abundance are drived.
本文推导出氧质谱峰高之间的关系和计算氧同位素丰度的公式。 - Measurement of Primary Kinetic Deuterium Isotope Effect of the Reaction of Enamine Formation Using Natural Abundance Deuterium NMR
天然氘核磁共振法测定环酮的烯胺化反应的一级动力学氘同位素效应 - Discussion on the fractionation of H O isotopes and S isotope in the course of fluid evolution shows that fluid fractionation is related to temperature, the ratio of water rock or S origin abundance.
流体演化过程中氢氧同位素、硫同位素的分馏主要与温度、水岩比值或硫源丰度有关。 - What is more significant is that the dry cold oscillation event of the Younger Dryas has been detected accurately and distinctly. The temperature-lowering amplitude produced by fitting of the isotope abundance change may attain 11 C.
更为有意义的是，清晰准确地检出新仙女本期气候冷干颤动事件，用同位素丰度变化拟合的降温幅度可达11C； - More efforts have been focused on quantitative proteomic techniques recently. The stable isotope labeling technique provided an ideal method for accurately quantitating the low abundance proteins which play a key role in cells or tissues.
近几年来，定量蛋白质组的技术发展很快，稳定同位素标记技术的提出，为准确定量在细胞或组织体系中发挥重要功能的低丰度蛋白质提供了一个理想的方法。 - Determination Technique of Boron Isotope Abundance in Irradiated Materials
辐照硼同位素丰度测定技术 - Determination of natural fractional isotope abundance ratio of boron in boron trichloride by infrared spectroscopy
三氯化硼中硼同位素天然丰度比的红外光谱测定 - Precision and Accuracy about Measurement of Isotope Abundance by Mass Spectrometry
质谱法测定同位素丰度的精密度和准确度 - Some Questions about Precise Measurement of Isotope Abundance of Uranium
铀同位素丰度精确测量的若干问题 - A Precise and Accurate Determination for Uranium Isotope Abundance
铀同位素丰度的精确测定 - Electromagnetic isotope separation of high abundance 6 Li
高丰度~6Li的电磁同位素分离 - The diluted acid leaching technique was adopted to treat 123 air particulate matter samples collected on glass fiber filter in Tianjin City in winter and spring of 1994~ 2001, and the air lead concentration and isotope abundance ratio ( 206Pb/ 207Pb) were determined.
采用稀酸浸出法处理天津市1994~2001年冬春季节123个玻璃纤维滤膜大气颗粒物样品，测量了大气铅浓度和同位素丰度比（206Pb/207Pb）。