isotopic dating

isotopic dating 基本解释

网络  同位素测定年代; 用同位素的时代测定; 同位素测年龄; 同位素定年; 同位素测定年龄

化学

重点词汇

• isotopica. 同位素的 [医] 同位的
• dating[计] 记日期的 [经] 注明日期

isotopic dating 双语例句

1. 1、 National Geographic reports that isotopic dating and DNA experiments revealed the unusual pairing of body parts.
   据《国家地理杂志》报道，同位素定年和DNA检测结果显示，这两具木乃伊的身体部位不寻常。
2. 2、 Comprehensive Study on Extraction of Rhenium with Acetone in Re-Os isotopic dating
   铼-锇同位素定年法中丙酮萃取铼的系统研究
3. 3、 A Review on the Development of Re-Os isotopic dating Methods and Techniques
   铼-锇同位素定年方法及分析测试技术的进展
4. 4、 Evidence from isotopic dating suggests that the greenstone belts vary considerably in age.
   来自同位素年龄鉴定的证据指出，绿岩带在年龄上彼此变化相当大。
5. 5、 Compositions of S and Sr isotopes for celestine are similar to those for general sea waters. Evidence from isotopic dating suggests that the greenstone belts vary considerably in age.
   天青石中硫、锶同位素值和海水硫、锶同位素值相近。来自同位素年龄鉴定的证据指出，绿岩带在年龄上彼此变化相当大。
6. 6、 isotopic dating of marine sediment Measurement of Radionuclides in Sediments Core by HPGe γ Spectroscopy
   海洋沉积物同位素年代测定海洋沉积物岩心放射性核素的γ谱测定
7. 7、 Re-Os isotopic dating of Molybdenite from the Fu ′ anpu Molybdenum Deposit of Jilin Province and Discussion on Its Metallogenesis Primary discussion on metallogenic mechanism and dynamics of sandstone-hosted uranium deposits in China
   吉林福安堡钼矿中辉钼矿铼-锇同位素定年及成矿作用探讨试论砂岩型铀矿成矿机制和成矿作用动力学问题
8. 8、 Re-Os isotopic dating of Molybdenite from the Shankou Molybdenum Deposit in Yongding County of Fujian Province and Its Geological Significance
   福建省永定山口钼矿辉钼矿铼-锇同位素定年及其地质特征
9. 9、 Evaluation of the genesis of zircons and u-Pb isotopic dating
   锆石的成因和U-Pb同位素定年的某些进展
10. 10、 Application state of isotopic dating methods for ore deposits
    矿床同位素定年方法的应用现状评析
11. 11、 The geological data and isotopic dating suggest that the strike slip event took place during Himalayan movement.
    据地质和同位素年龄资料，推断走滑剪切运动发生在喜山期。
12. 12、 Because experimental condition and analytic technique have been improved, double spike isotopic dating method of lead isotope and analyses calculation of element contents.
    由于实验条件和分析技术的改善和提高，使铅同位素双稀释剂测定精度和准确度大大提高，从而铅同位素双稀释剂同位素定年法也将得到更为广泛的应用。
13. 13、 A fresh eclogite sample is selected for U-Ph isotopic dating of zircon and Ar-Ar dating of phengite, and a garnet-bearing muscovite gneiss sample ( country rock of eclogite) for Ar-Ar dating of muscovite.
    选择新鲜的保存较好的榴辉岩分别进行U－Ph和Ar－Ar同位素年代学测定，含石榴子石的白云母片麻岩（此榴辉岩的围岩）被选用于白云母的Ar－Ar测定。
14. 14、 Research on the Calculating Ways of Double-Spike isotopic dating Method of Lead Isotope
    铅同位素双稀释剂同位素定年法计算方法研究
15. 15、 The Pb Pb and Rb Sr isotopic dating methods commonly used in solid geochemistry are applied to date generation and migration of petroleum.
    固体地球化学中常用的PbPb和RbSr同位素方法被用于测定石油生成、运移的年龄。
16. 16、 The result of the systematic, isotopic dating clearly shows that the Qinling Mountains are a Caledonian, Variscan, Indosinian, and Yanshanian polycyclic composite orogen.
    同位素年代学的系统研究结果，充分反映出秦岭是一个加里东、华力西、印支、燕山多旋回复合造山带。
17. 17、 Zircon U-Pb isotopic dating for different petrographic rocks gives similar emplacement ages ( 130~ 120 Ma), i.e., the Early Cretaceous, not the Triassic as previously thought.
    锆石U-Pb同位素测定显示，该岩体不同岩相岩石具有大体一致的年龄，其形成于120～130Ma的早白垩世，而不是以前认为的三叠纪。
18. 18、 Therefore, the anthors had the Rb-Sr whole-rock isotopic dating and 40 Ar/ 39 Ar dating made for Bed G bauxite in advance to the 30th International Geological Congress.
    为此于世纪之交，作者等对G层铝土矿进行了Rb-Sr全岩同位素年龄测年及40Ar/39/Ar快中子定年。
19. 19、 isotopic dating for terrigenous zircon from clastic rocks in the foreland basin shows that the latest material source of the foreland basin is younger than 461 Ma.
    对碎屑岩中陆源锆石同位素测年表明其最新物源的年龄不小于461Ma。
20. 20、 ~ ( 40) Ar-~ ( 39) Ar isotopic dating method and application
    ~（40）Ar-~（39）Ar同位素测年方法及其应用
21. 21、 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。
22. 22、 Ar-Ar isotopic dating of Volcanic Rock in George King Island, West Antarctica
    Ar-Ar质谱法对南极乔治王岛火山岩同位素年龄的测定
23. 23、 Metallogenic epoch belongs to Late-Caledonian. According to Rb Sr K At and U Pb isotopic dating, and oxygen, lead and sulfur stable isotope data along with the geologic characteristics of the ore deposit it is believed that the oreforming solution was der
    根据RbSr，UPb和KAr同位素年龄以及氧、铅和硫稳定同位素资料，并结合矿区的地质特征，笔者认为：成矿溶液以大气降水来源为主；
24. 24、 U-Pb, Rb-Sr isotopic dating of the Diagenesis and Mineralization of Gold Deposits in the Dandong Area
    论金矿床成矿年代的确定&以丹东地区成岩成矿Rb-Sr、U-Pb同位素年代为例
25. 25、 The isotopic dating of the quaternary samples is a usual geological problem that has not been satisfactorily resolved.
    第四纪样品的同位素定年是一个常见的较困难的地质问题。
26. 26、 The authors make a preliminary analysis of groundwater age, its measuring methods and problems to be solved, and point out that environmental isotopic dating is a fairly good dating method.
    对地下水年龄、测年方法及存在问题进行了初步分析，指出环境同位素方法是目前地下水测年中较为理想的方法。
27. 27、 By identifying the age of sediments deposited in the coastal zone with the isotopic dating method, the physical composition and the spatial variation of heavy metal concentrations are analyzed.
    利用同位素测年方法标记海岸带沉积年代，分析了沉积物机械组成、重金属含量的空间变化特征；
28. 28、 The K-Ar isotopic dating of authigenic illites and timing of hydrocarbon fluid emplacement in sandstone reservoir
    利用自生伊利石K-Ar定年分析烃类进入储集层的时间
29. 29、 The isotopic dating and fossil geochronometry are the basic methods of ophiolite geochronometry.
    同位素测年及化石年代学法是蛇绿岩年代学研究的基本方法。
30. 30、 At present, single grain zircon U-Pb dating is the most important isotopic dating method in the world. But the partial pb-lose in Zircon lead to discordant age-data.
    单颗粒锆石U-Pb法是当前最重要的一种同位素定年方法，但由于放射成因铅的不同程度丢失而导致获得不一致的年龄数据。