isotopic geothermometry

radioisotopic measuring method

放射性同位素测量方法

transmission type radioisotope gauge

透射式放射性同位素测量计

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

radioisotope transmission gauge

放射性同位素透射测量计

remote radioisotopic snow gauge

遥测放射性同位素雪量计

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

DETERMINATION OF TRACE RE ELEMENTS BY ISOTOPE DILUTION MASS SPECTROMETRY (IDMS)

用同位素稀释质谱法测定微量稀土元素

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

Determination of mercury in fish by microwave digestion-isotope dilution inductively coupled plasma mass spectrometry

微波消解-同位素稀释质谱法测量鱼中汞含量

DETERMINATON OF TRACE He,Ne AND Ar IN GAS SAMPLES BY IDMS

同位素稀释质谱法测定气体样品中微量氦氖氩

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%。

Advance in determination of isotope with inductively coupled plasma mass spectrometry

电感耦合等离子体质谱测量同位素的技术进展

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

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

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