Isotope 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。

absolute isotopic abundance measurement

绝对同位素丰度测量

relative isotope abundance determination

相对同位素丰度测量

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

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

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 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

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

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

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

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

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

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。

Occurrences and Distributions of Stable Carbon Isotopic Compositions of High Abundant Diginanes and Homodiginanes in the Crude Oil of Well Zhao7 in the Jinxian Sag,China

晋县凹陷赵7井原油中异常高丰度地芰烷化合物的检出及其稳定碳同位素组成

oxygenisotope cosmothermometer

氧同位素宇宙温度计

radioisotopic purity

放射线同位素的纯度

radioisotope densimeter

放射性同位素密度计

SULFUR ISOTOPE COMPOSITION OF RIVER CHANNEL AND RESERVOIR WATER IN UPPER REACHES OF WUJIANG RIVER IN HIGH FLOW SEASON

丰水期乌江上游干流水库—河流体系硫同位素组成