uranium series
- 网络铀系
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Uranium series dating and its application in sedimentological studies of South China Sea
铀系定年及其在南海沉积物研究中的应用
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Uranium series dating technique is the important means of Quaternary chronology .
铀系不平衡定年技术是第四纪年轻年代学的重要定年手段。
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Studies on the uranium series component dating method for young volcanic rocks
铀系组分法测定年青火山岩年龄的研究
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The measurement of uranium series of carbonate standards
碳酸盐标准样的铀系年龄测定
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Determination of Age for Standard Carbonate Samples by TIMS with Uranium series Age Method
热电离质谱铀系法测定碳酸盐标样
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Uranium series chronological sequence of some Palaeolithic sites in South China
华南若干旧石器时代地点的铀系年代
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The important technique of dating quaternary : uranium series dating technique by thermal ionization mass spectrometry
第四纪年代学的利器:热电离质谱铀系定年技术
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TIMS uranium series method for coral dating and paleoenvironment research
热电离质谱铀系法测定珊瑚及对古环境研究
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Study on uranium series dating of fossil bones and teeth from Zhoukoudian site
周口店遗址骨化石的铀系年代研究
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Application of the uranium series method to the study on the depositional rate of DElP-SEA sediments in South China Sea
铀系法在南海深海沉积物沉积速度研究中的应用
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Study of the Paleoclimate Based on the Comparison Between Thermal Ionization Mass Spectrometry Uranium Series Dating and Oxygen Isotopes
基于热电离质谱铀系定年与氧同位素对比的古气候研究
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Experimental results of coral dating and paleoenvironment studies by using the thermal ionization spectrometry ( TIMS ) uranium series method were introduced .
介绍用热电离质谱(thermalionizationmassspectrometry,TIMS)铀系法对海洋珊瑚定年的测定及古环境研究的一些成果。
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According to the basic principle in uranium series disequilibrium , a calculating method for the mixing ratio of a three source recharge system of groundwater is raised .
在论述铀放射系不平衡原理的基础上,提出了地下水三元补给体系混合比的面积坐标算法。
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Research on the High Precision ICP-MS Uranium Series Chronology of Cave Stalagmites and the Paleo-climatic Changes in the South-Western Karst Region , P.R. China
洞穴石笋高精度ICP-MS铀系年代学与西南岩溶地区古气候变化研究
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Cave stalagmites , corals , lake sediments are suitable for dating using the thermal ionization mass spectrometry ( TIMS ) uranium series method . 1 were dated with uranium series dating .
岩溶石笋、海洋珊瑚、湖泊沉积物等信息载体可以用热电离质谱(TIMS)铀系技术定年。数据表明,1&3层的年代比目前的有些提法要早一些。
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The age of stalagmite was determined by high precise thermal ionization mass spectrometry ( TIMS ) with uranium series age method . Uranium content and age of the standard carbonate were in agreement with standard values .
用高精度热电离质谱(TIMS)铀系法测定碳酸盐标样的年龄,测定结果与α谱仪铀系法进行比较,铀含量和年龄值均吻合。
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The determination , of uranium series absolute age , calcium carbonate content and spore-pollen analysi of core 317-82-29 ( 2 ) conclude that the sediments in the piston core were formed during the Late Quaternary .
由同位素、碳酸盐含量、孢粉的分析结果推断,317-82-29②岩心是在晚第四纪沉积形成的。
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Uranium - series dating of young geologic bodies
用铀系法测定年轻地质体的年龄
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Preliminary discussion on porphyry uranium metallogenic series
试论斑岩铀矿成矿系列
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Measurement of nuclides of uranium and thorium series of disequilibrium using γ - spectroscopy
不平衡铀系和钍系核素的γ谱测定
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In this survey , the surface γ dosage , radioactivity specific activity , uranium and thorium series equilibrium , the content of radioactive element of three kinds of typical Chinese zircon mineral has been analyzed , and the component and radioactivity of zircon in Wanning , Hainan Province tested .
调查分析了我国3个典型矿区锆英砂堆放表面γ剂量、放射性比活度、铀系和钍系平衡状况以及放射性元素含量;测定了我国海南万宁矿区锆英砂的组成及放射性。
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The relations between the earth 's crust type and uranium and metallic mineralization series of Yunnan Province
云南省地壳类型与铀和金属成矿系列的关系
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Petrological characteristics of meta tuffite in Lower Cambrian uranium rich black shale series in northern Guangxi and southwestern Hunan
湘西南桂北下寒武统富铀黑色岩系中变质沉凝灰岩的岩石学特征
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Gold , uranium and thorium abundance series and evolution in East Dabie orogenic belt as well as their relationship with uranium and gold mineralization
大别造山带东段金铀钍的丰度系列、演化特征及与铀金成矿作用关系
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A Study of the Formation Process and Ore-Prospecting Indicators of the Sandstone Type Uranium Deposits in the Light of Uranium Series Isotopes
从铀系列同位素角度探讨砂岩型铀矿的形成过程及找矿标志
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The time scale and intensity of the water rock interaction in a uranium deposit can be semi quantitatively assessed using uranium series disequilibrium .
某铀矿床中水-岩反应的时间范围和强度,可通过对铀天然衰变系放射性不平衡的研究得到半定量化。
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The study of U-Pb isotopic systems with representative volcanite type uranium deposits in Gan-Hang tectonic belts indicates that the uranium source was mainly derived from the rich uranium volcanic rock series .
本文对赣杭构造带几个有代表性的火山岩型铀矿床进行了U-Pb同位素体系研究,证明铀源主要来自富铀的火山岩系。
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By compiling 1 ∶ 200 000 uranium geologic map , applying theory of geologically anomalous area and tectonic lithofacies domain , the time space structure of uranium deposit series in northern Guangdong is studied and summarized .
我们用1∶20万铀矿地质编图方法、地质异常区和构造岩相域理论,从新的角度总结研究了粤北铀矿系列时空结构。