isotopic age determination

用法例句

This paper describes software development of the extended function for mass spectrometry model VG354 and its application in establishing new method of isotopic measurement of mass spectrometry, investigating characteristics of non reductive thermal ion emission of graphite in thermal ionization mass spectrometry.

根据同位素测定新方法的建立和石墨的非还原离子发射特性等方面研究的需要 ,在现有VG35 4质谱计的软件系统功能基础上 ,改进并开发了该正热电离质谱计的测量新功能。

The methods for the boron separation and its isotopic determination in [WT5BX]foraminifera was developed, using Amberlite IRA 743 resin and the mixture of cation-exchange resin (H + form) and anion -exchange resin (ion exchanger II, HCO - 3 form).

本文初步建立了一种用硼特效树脂和阴、阳混和离子交换树脂相结合进行有孔虫中硼的分离和同位素测定的方法。

Determinations for isotopes of lead、strontium and neodymium in rock samples

GB/T17672-1999岩石中铅、锶、钕同位素测定方法

Abundant Concentration of Lead on the Sample of Bronze drum in Viet Nam and Survey for Lead isotopic

越南铜鼓样品铅的富集与铅同位素测定

Application of Negative Thermal Ionization Mass Spectromery in Os Isotope Determination

负热电离质谱技术在锇同位素测定中的应用

isotopic age determination

同位素地质年龄测定

whole body counter

测定全身放射性同位素的计数器

radioisotope dynamic-function testing equipment

放射性同位素动态功能测定仪

isotopic dating of marine sediment

海洋沉积物同位素年代测定

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

Study on the Determination and Application of Nitrogen、Oxygen and Boron Isotopes;

氮、氧、硼同位素的测定及其应用研究

DETERMINATION OF ~(87)Sr/~(86)Sr ISOTOPE RATIOS IN WINE

红酒中的~(87)Sr/~(86)Sr同位素比测定

Determination of Metallic Elements in Different Parts of Cynanchumthesiodes(Freyn). K. Schum by FAAS

FAAS测定地梢瓜不同部位金属元素

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

D/H Ratio Determination of Cellulose Nitrate from Tree Rings;

树木年轮硝化纤维素氢同位素组成的测定

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。

Design of the Monitoring System of Isotope Thickness Gauge and Research on the Calibration Method;

同位素测厚仪监测系统设计及标定方法的研究

Measurement and Analysis of Stable Carbon and Nitrogen Isotope of Amino Acids in Wheat Grain

小麦籽粒氨基酸碳氮稳定同位素的测定与分析

radioisotope localization of placenta

放射性同位素胎盘定位

radioisotope positioner

放射性同位素定位器