1.
Climatic Implication of Hydrogen Isotope Ratios of Individual n-Alkanes in Lacustrine Sediment on the Tibetan Plateau;
青藏高原湖泊沉积正构烷烃单体氢同位素比值的气候意义
2.
isotopic ratio in Mars atmosphere
火星大气的同位素比值
3.
Comparison of lead concentration and isotope ratios in children's blood and hair
同体儿童血、发铅浓度及同位素比值研究
4.
Comparison of the Content of Dihydromyricetin among the Products of Culture in Vitro and Different Parts of Ampelopsis Grossedentata
显齿蛇葡萄离体培养物与植株不同部位二氢杨梅素含量的比较
5.
The Origin Differentiation of Seized Heroin Us-ing GC-C-IRMS II--Study on the ~(13)C Isotope RatioMass Spectrometry of Seized Heroin;
同位素比值质谱法鉴别缴获的海洛因来源——2.海洛因的碳同位素比值质谱法研究
6.
Laser Resonant Ionization Processes of Lead Atom for the Measurement of Lead Isotopes Ratio;
铅同位素比值测定的激光共振电离研究
7.
Error Estimation of Initail Ritios of Sr-Nd Isotopic and Nd Model Age
Sr-Nd同位素初始比值和Nd模式年龄的误差估算
8.
Detection of palm oil adulterated into corn oil by carbon isotope ratio method
碳同位素比值法检测棕榈油掺入玉米油的研究
9.
an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen).
含一个中子的氢的同位素（氢含零个中子）。
10.
More reactive are the heavier isotopes of hydrogen, deuterium and tritium.
更为活跃的是氢的较重同位素，氘和氚。
11.
A STUDY ON HYDROGEN AND OXYGEN ISOTOPIC COMPOSITION OF THE PRECIPITATION IN GUILIN AREA
桂林地区大气降水的氢氧同位素研究
12.
Dynamic Simulation of Cryogenic Distillation Column with Hydrogen System;
氢同位素低温精馏动态过程模拟研究
13.
Hydrological Experiments on Oxygen and Hydrogen Isotopic Variations in Precipitation,Groundwater and Riverwater in Huaibei Plain,Anhui Province
淮北平原区氢氧同位素水文实验研究
14.
Determination of lead isotope ratios in soil by inductively coupled plasma mass spectrometry and comparison of source differentiation
ICP-MS测定土壤中铅同位素比值及地域差异性比较
15.
Determination of Lead Isotope Ratios of Tobacco by ICP-MS and Their Areal Difference
烟叶中Pb同位素比值的ICP-MS测定及地域差异比较
16.
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
17.
gas isotope ratio mass spectrometer
气体同位素比质谱计
18.
Determination of Lead Isotope Ratio by Dual Gas Flow-Laser Ablation-Inductively Coupled Plasma-Mass Spectroemtry
双气流路-激光剥蚀电感耦合等离子体质谱测定铅同位素比值