1.
Estimation of water amount in river network of Taihu Lake based on isotopic mass conservation
利用同位素质量守恒原理估算太湖河网受水量
2.
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
3.
Changes of nuclear mass and nuclear size cause isotope shifts.
原子核质量和大小的不同引起同位素移动。
4.
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。
5.
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
6.
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
7.
The interval is two mass units because these isotopes of the elements differ by two neutrons.
因为这些元素的同位素相差两个中子，所以其间隔为两个质量单位。
8.
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
9.
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
10.
(physics, chemistry) being or containing an isotope with greater than average atomic mass or weight.
（物理学，化学）指原子质量或者原子量大于平均水平的同位素，或者含有这样的同位素。
11.
distinguish (an element or atom) by using a radioactive isotope or an isotope of unusual mass for tracing through chemical reactions.
用放射性同位素或不寻常质量的同位素使元素或原子显示运动踪迹。
12.
isotopic dilution mass spectroscopy
同位素稀释 质谱学
13.
gas isotope ratio mass spectrometer
气体同位素比质谱计
14.
isotopic age determination
同位素地质年龄测定
15.
stable isotope dilution mass spectrometry
稳定同位素稀释质谱法
16.
isobaric analog resonance
同质异位素相似共振
17.
absolute isotopic abundance measurement
绝对同位素丰度测量
18.
relative isotope abundance determination
相对同位素丰度测量