isotopic的例句大全

Based on lithology, lithofacies, seismic reflection, log response, paleobiology, tectonic cycle, contact relationship and isotopic dating, the lower paleogene in the Liaohe Basin is divided into 4 sequences and 12 subsequences.

根据岩性、岩相、地震反射、测井响应、古生物、构造旋回、接触关系及同位素年龄测定等，将辽河盆地下第三系划分为4个层序和12个亚层序。

Through an integrated analysis of the types of tectonic deformation and metamorphism, order of their formation, emplacement of plutons and isotopic age data, this paper discusses the regional distribution and formation ages of metamorphic rocks and their role and significance in the process of crustal evolution.

通过对构造变形与变质特征、形成序次、深成岩侵位及同位素年龄资料的综合分析，阐明变质岩的区域分布和形成时代，及其在地壳演化中的作用和意义。

Constraints of age and isotopic compositions on the metamorphic rock units exposed in the southern part of the Dabie-Sulu ultrahigh pressure orogenic belt are essential for the study of regional stratigraphic comparison and further for understanding tectonic process and evolution of this orogen.

厘定大别&苏鲁超高压造山带南缘变质岩带的形成时代和地球化学特征有助于区域地层对比研究和对这一造山带演化过程的深入理解。

AMS~ ( 14) C Dating and Isotopic Analysis of Phytoliths ON THERMOLUMINESCENCE DATING OF LOESS

植物硅酸体AMS~（14）C测年和同位素分析黄土热释光测年问题

Based on the three-dimensional space vector of Pb isotopic mapping, it is indicated that there exist a isotopic geochemical steep zone along Luonan-Luanchuan-Fangcheng faults between north Qinling and north China block.

Pb同位素比值三维空间矢量填图结果表明，在华北块体与北秦岭之间，沿洛南-栾川-方城断裂存在明显的地球化学急变带，分隔具有不同Pb同位素空间矢量组成的华北与北秦岭块体。

Isotopic Characteristics of Precipitation and Throughfall of Alpine Shrubs on Balang Mountains in Wolong

卧龙巴郎山高山灌丛降雨和穿透水稳定性氢氧同位素特征研究

Precise measurement of Sr isotopic composition of liquid and solid base using ( LP) MC ICPMS

（LP）MC-ICPMS方法精确测定液体和固体样品的Sr同位素组成

Based on43 isotopic ages of29 granite bodies in combination of their petro-geochemistries, the paper established a time coordinate for the granites of the orogenic belt.

本文利用义敦岛弧碰撞造山带29个花岗岩体的43件同位素测年数据，结合岩石地球化学特征，建立了造山带花岗岩的时间坐标。

Precambrian chemical division of mantle and crust-mantle interaction in Qinling region: evidence from Pb-Nd isotopic and trace element studies

秦岭造山带前寒武纪地幔化学分区及壳幔物质循环&Pb，Nd同位素及微量元素证据

In the following primary migration simulation deuterated normal C_ ( 15)( n-C_ ( 15) D_ ( 32)) was added into different source rocks to study the isotopic fractionation in primary migration.

下面的初次运移模拟实验通过在源岩中加入氘代的正构十五烷（n-C15D32）来研究初次运移中的同位素分馏。

The correction of isotopic age suffering thermal disturbance

同位素地质年龄受热扰动后的校正

The High Precision Isotopic Measurement of Bromine by Thermal Ionization Mass Spectrometry

高精度正热电离质谱法测定Br同位素

A Comparison of Loading Reagent for Boron Isotopic Measurement by Negative Thermal Ionization Mass Spectrometry

负热电离质谱测定硼同位素的涂样试剂比较

Mass Fractionation Correction of Osmium Isotopic Compositions in Negative Thermal Ionization Mass Spectrometric Measurement

负热电离质谱法测量Os同位素组成的质量分馏校正

Experimental Design and Condition Optimization Based on Uniform Design and MATLAB for the Isotopic Measurement of Boron by Thermal Ionization Mass Spectrometry

对正热电离质谱法硼同位素测定的实验设计和条件优化

Accurate Determination of Isotopic Ratios of Zn in Human Body Excreta by Thermal Ionization Isotope Mass Spectrometry

热表面电离质谱精确测定人体排泄物中锌同位素丰度比

The measurement method of the isotopic abundance ratios for the nanogram samarium was performed by Finnigan MAT 262-RPQ thermal ionization mass sepctrometer.

本文简介了使用Finnigan MAT262热电离质谱仪对超微量钐天然同位素丰度比的精密测定。

The sample pretreatment method can meet the requirement of boron isotopic determination by thermal ionization mass spectrometry without any isotopic fractionation of boron. The precision for boron isotopic determination is better than 0.05% RSD.

采用该方法从岩石样品中提取、分离出来的硼能满足硼同位素质谱法测定的需要，不产生硼同位素分馏，硼同位素测定精度大多优于0.05%。

The new methods for isotopic measurements of boron, chlorine and bromine by thermal ionization mass spectrometry using the non-reduction characteristics of thermal ion emission have been summarized and the important evolution in isotopic measurements of boron, chlorine and bromine has been achieved in this study.

该项研究成果总结了利用石墨的非还原热离子发射特性所建立的高精度热电高质谱测定硼氯溴同位素的方法，实现了硼氯溴同位素测定的重要突破。

Effect of Mannitol on Isotopic Measurement of Boron by Thermal-ionization Mass Spectrometry Based on Cs_2BO_2~+ Ion with Graphite Loading

甘露醇对石墨存在下Cs2BO2~+离子热电离质谱法测定硼同位素的影响