isotope dating
英 [ˈaɪsətəʊp ˈdeɪtɪŋ]
美 [ˈaɪsətoʊp ˈdeɪtɪŋ]
n. 同位素年代测定
双语例句
- This paper has in detail analyzed and discussed stable oxygen isotope, glacial accumulation, the dating technique of ice core and environmental indices recorded in ice core.
从冰川上的适当部位钻取冰芯加以分析，是目前重建高分辨率古气候、环境的重要手段。 - Re-Os isotope tracer and dating methods in Ore Deposits Research
金属矿床Re-Os同位素示踪与定年研究 - For the research means, importance should be attached to applications of isotope tracing and dating techniques in the study of the sources and pollution case histories of heavy metals and the high-resolution sediment cores in the study of environmental changes.
研究手段上，注重运用同位素示踪与定年技术来研究重金属的来源和污染历史，应用高分辨率沉积物钻心研究环境的变迁。 - The strontium isotope stratigraphy ( SIS) is predominantly used for correlation and dating of marine sediments.
锶同位素地层学在海相地层的对比和定年中具有十分重要的作用。 - Re-Os Isotope Dating of Black Shales
黑色页岩的Re-Os同位素定年 - From volumetric method to isotope dilution method, K Ar dating has got its period of maturity. But traditional K Ar dating techniques could not overcome the errors coming from the influence of isotope mass discrimination.
KAr法定年技术经历了体积法和稀释法等不断趋于成熟，但对于年轻火山岩进行定年时，由于同位素质量分馏的影响，上述方法都具有不可克服的缺陷。 - Detailed single-grain zircon U-Pb isotope dating is the important basis for studying the evolution and geodynamical process of the Qinghai-Tibet Plateau.
详细的单颗粒锆石U-Pb同位素定年为研究青藏高原的形成演化与地球动力学过程提供了重要的依据。 - Note on isotope dilution method for K-Ar dating
测定地质年代的钾-氩稀释法 - The correction method for Re-Os isotope fractionation presented by this paper will improve the precision and accuracy of the Re-Os dating by using ICP-MS.
上述Re-Os同位素分馏校正方法将改善用ICP-MS进行Re-Os定年时的精密度和准确度。 - Comparison of three methods for baddeleyite U-Pb isotope dating of basic rocks
基性岩斜锆石U-Pb同位素定年3种方法之比较 - Preliminary study on separation of authigenic from detrital illite in sedimentary rock for Ar isotope dating K-Ar dating of authigenic illite in reservior can provide very useful data about the hydrocarbon filling history.
沉积岩中用于Ar同位素测年的自生伊利石分离纯化实验流程探索油气储层自生伊利石KAr同位素测年可以为油气注入时间研究提供科学依据。 - The mineralization epochs are determined by lead isotope multi-stage model dating and altered mineral K-Ar and Rb-Sr dating.
据矿石混合铅多阶段模式、蚀变矿物的K-Ar法与Rb-Sr等时线法等直接同位素年代学方法结合地质推断法。 - Pt-Os Isotope System Dating
Pt-Os同位素系统定年方法研究 - As one of the recently-developed new geochemical techniques, the Re-Os isotope system can not only serve the precise dating but also provide information on environmental changes.
Re-Os同位素是近年来发展起来的一种新的同位素技术，既可用于定年又能用于示踪。 - Re Os isotope system has also been used in direct dating of metallic sulfide ores, not only for very old, but also for very young metallic ore deposits.
利用ReOs同位素还可以对金属硫化物进行直接定年，不仅能对十分古老的，而且能对十分年轻的金属矿床进行精确的成矿年龄测定。 - Re-Os isotope tracing and dating of black shales and oceanic anoxic events
黑色页岩与大洋缺氧事件的Re-Os同位素示踪与定年研究 - The application of Sr and C isotope evolution to the dating of Neoproterozoic strata: a case study of the Jiao-Liao-Xu-Huai area in northern China
锶、碳同位素演化在新元古代地层定年中的应用&以胶辽徐淮地层分区为例 - Geochemical characteristics and isotope dating of moyite at the southeastern margin of the Kuruktag block, Xinjiang, China
新疆库鲁克塔格地块东南缘钾长花岗岩的地球化学特征及同位素测年 - Volcanic rock is widely distributed in this region. Over 20 volcanic rock samples are collected, 10 of which the SHRIMP U-Pb isotope dating analysis is conducted to.
同时采得区内大面积分布的火山岩样品20余件，对其中的11件进行了SHRIMPU-Pb同位素分析。