1.
isotopic ratio in Mars atmosphere
火星大气的同位素比值
2.
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
3.
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
4.
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
5.
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
6.
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
7.
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
8.
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
9.
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
10.
Study on the Preparation of Morphine byHydrolysis of Heroin;
同位素比值质谱法鉴别海洛因来源——1.海洛因水解制备吗啡的研究
11.
The Analysis of Lead Isotope Ratios in Tobacco by Inductively Coupled Plasma Mass Spectrometry
耦合等离子体质谱测定烟叶中铅同位素比值的方法
12.
High-precise Determination of Osmium Isotopic Ratio in the Jinchuan Copper-Nickel Sulfide Ore Samples
金川铜镍硫化物样品中锇同位素比值的高精度分析
13.
An Analysis of the Lead Isotope Ratioes of the Western Han Bronze Mirrors from the Linzi City-site of the Qi State in Shandong
山东临淄齐国故城遗址出土西汉铜镜的铅同位素比值分析
14.
An obvious restraint in the use of isotope ratios results from the need to employ mass spectrometers.
使用同位素比值法有着一个明显的局限因素，就是要用质谱仪进行分析。
15.
Characterization of Mercury-Binding Metallothioneins (MTs) and Measurement of Lead Isotopic Ratios with Inductively Coupled Plasma Mass Spectrometry (ICP-MS);
汞结合金属硫蛋白表征方法和铅同位素比值电感耦合等离子体质谱测定方法的研究
16.
A GC/MS METHOD TO ASSESS ~(15)N RATIOS IN SOIL AMINO SUGARS AND AMINO ACID ENANTIOMERS
测定土壤氨基糖和氨基酸手性异构体中氮同位素比值的气相色谱/质谱方法
17.
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
18.
gas isotope ratio mass spectrometer
气体同位素比质谱计