isotopic abundance

Analyzing isotopic abundance by method of relative efficiency;

相对效率法同位素丰度分析的研究

s: A precise and accurate method for determining the isotopic abundances and the content of rhenium was developed by using multi-collector inductively coupled plasma mass spectrometer (MC-ICPMS).

利用多接收器等离子体质谱建立了快速精确测定铼含量及其同位素丰度的方法。

It's very simple, fast and accurate in determining the isotopic abundance of uranium and plutonium.

简单介绍了特殊核材料铀、钚同位素丰度测定在核材料管理和衡算中的作用 ;着重描述了 γ能谱法测定铀、钚同位素丰度的原理和实验方法。

relative isotope abundance determination

相对同位素丰度测量

absolute isotopic abundance measurement

绝对同位素丰度测量

Measurement of Isotopic Element Rb s Abundance Ratio with Optical Pumping Magnetic Resonance Method;

光泵磁共振法测量同位素铷的丰度比

APPLICATION OF ISOCS TO MEASUREMENT OF ISOTOPIC ABUNDANCE RATIO OF URANIUM

ISOCS在铀同位素丰度比测量中的应用

Research of Absolute Determination of Isotopic Abundance Using Multiple-Collector Inductively Coupled Plasma Mass Spectrometry and Determination of Samarium Atomic Weight;

MC-ICP/MS同位素丰度绝对测量方法研究与钐原子量的测定

The values of the uncertainties for the isotope abundances have been assessed by the IUPAC and amount to 0.9%~4.8%.

测量其同位素丰度的不确定度只能达到 0 .9%～ 4.8%。

The Measurement of Water Vapor Isotope Based on Mid-Infrared Difference Frequency Generation

基于中红外差频激光测量水汽分子同位素丰度

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。

Accurate Measurement of Lithium Isotope Abundances by Isotopic Dilution Mass Spectrometry Principle

应用同位素稀释质谱法原理准确测量锂同位素丰度

Isotopic Abundance Determinations of Hafnium in a Hafnium Reagent and a Control Rod

铪试剂及控制棒中铪同位素丰度测定

Accurate Measurement for the Concentration and Isotopic Abundance of Rhenium Using Multi-Collector Inductively Coupled Plasma Mass Spectrometer

多接收器等离子体质谱精确测定铼含量及其同位素丰度

Accurate Determination of Cadmium and Mercury Isotope Abundance by Inductively Coupled Plasma Mass Spectrometry

用电感耦合等离子体质谱准确测量镉、汞同位素丰度的研究

Blood Pressure Values During Changing from Supine Position to Various Lateral Positions

不同角度侧卧位对血压测量值的影响

radioisotopic measuring method

放射性同位素测量方法

The Methods of Measuring Radioactive Xenon Isotopes Activity during CTBT Monitoring

CTBT放射性惰性气体氙同位素活度测量方法

Precious Ce Isotope Analysis of Rock Samples by TIMS Method

高精度测量岩石样品Ce同位素组成的TIMS方法

Novel Method for Detecting Synchronous Phases and Instantaneous Symmetrical Components

同步相位与瞬时对称分量的检测新方法

Research of Automatic Measurement System of the Thickness Gauge of Isotope Based on Nuclear Radiation Detector

基于核辐射探测器同位素厚度计自动测量系统的研究