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The Early Permian active continental margin and crusta...  CNKI文献

Late Permian to Triassic("Indosinian-aged") orogenesis and associated magmatism are widespread in southeastern China,but their causes and significance to the regional geodynamic evolution a...

Xian-Hua Li Zheng-Xiang Li... 中国科学院地质与地球物理研究所2012年度(第12届)学术论文... 2013-01-17 中国会议

关键词: Detrital / zircon / U-Pb / age

下载(48)| 被引(0)

Detrital zircon U–Pb age and Hf isotope constrains on...  CNKI文献

The South China Block,consisting of the Yangtze and the Cathaysia blocks,is one of the largest Precambrian blocks in eastern Asia.However,the early history of the Cathaysia Block is poorly understood...

Xian-Hua Li Zheng-Xiang Li... 中国科学院地质与地球物理研究所2014年度(第14届)学术年会... 2015-01-15 中国会议

关键词: Cathaysia / South / China / Detrital

下载(46)| 被引(0)

Simultaneous Determination of ~(143)Nd/~(144)Nd and ~(...  CNKI文献

Isotope dilution thermal ionization mass spectrometry(ID-TIMS) is the standard technique used to achieve precise ~(143)Nd/~(144)Nd and ~(147)Sm/~(144)Nd isotope ratios and accurate elemental concentr...

Chao-Feng Li Xian-Hua Li... 中国科学院地质与地球物理研究所2012年度(第12届)学术论文... 2013-01-17 中国会议

关键词: Nd / and / Simultaneous / Determination

下载(23)| 被引(0)

Rapid and precise determination of Sr and Nd isotopic ...  CNKI文献

Thermal ionization mass spectrometry(TIMS) offers the excellent precision and accuracy of the Sr and Nd isotopic ratio analysis for geological samples,but this method is labour intensive,expensive an...

Chao-Feng Li Xian-Hua Li... 中国科学院地质与地球物理研究所2012年度(第12届)学术论文... 2013-01-17 中国会议

关键词: Geological / sample / Sr-Nd / isotopes

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Revisiting the "C-type adakites" of the Lower Yangtze ...  CNKI文献

Adakites,or adaldtic rocks,in a broad sense,have been used to describe a large range of igneous rocks with the common feature of high Sr/Y and La/Yb ratios that can be achieved though different mecha...

Xian-Hua Li Zheng-Xiang Li... 中国科学院地质与地球物理研究所2013年度(第13届)学术论文... 2014-01-13 中国会议

关键词: Adakites / Mineralization / Zircon / Hf-O

下载(32)| 被引(0)

Age determination of nephrite by in-situ SIMS U-Pb dat...  CNKI文献

Nephrite is a kind of valuable jade which forms during metamorphism under greenschist facies conditions.Most investigations focus on the genesis of nephrite,however,the formation age of nephrite rema...

Xiao-Xiao Ling Esther Schmadicke... 中国科学院地质与地球物理研究所2015年度(第15届)学术论文... 2016-01-14 中国会议

关键词: Nephrite / Geochronology / Titanite / Tremolite

下载(58)| 被引(0)

Basement nature and origin of the Junggar terrane:New ...  CNKI文献

The question of whether the Junggar terrane in the central area of the Central Asian Orogenic Belt(CAOB)has a Precambrian basement is one of the hottest topics surrounding the tectonic evolution of t...

Xing-Wang Xu Xian-Hua Li... 中国科学院地质与地球物理研究所2015年度(第15届)学术论文... 2016-01-14 中国会议

关键词: Zircon / U–Pb–Hf / isotope / evidence

下载(33)| 被引(0)

Extreme variation of sulfur isotopic compositions in p...  CNKI文献

High spatial resolution textural(scanning electron microscope(SEM)),chemical(electron microprobe(EMP))and laser ablation-inductively coupled plasma-mass spectrometry(LA-ICP-MS)),and sulfur isotopic(s...

Lei Chen Xian-hua Li... 中国科学院地质与地球物理研究所2015年度(第15届)学术论文... 2016-01-14 中国会议

关键词: Pyrite / SIMS / Sulfur / isotopes

下载(25)| 被引(0)

Revisiting the Liantuo Formation in Yangtze Block,Sout...  CNKI文献

The age and stratigraphic correlation of the Liantuo Formation in the Yangtze Block have been controversial.Disputes diverge on whether it is correlative with the Xieshuihe Formation,the Fulu Formati...

Zhongwu Lan Xian-Hua Li... 中国科学院地质与地球物理研究所2015年度(第15届)学术论文... 2016-01-14 中国会议

关键词: Liantuo / Formation / South / China

下载(19)| 被引(0)

Extreme lithium isotopic fractionation in three zircon...  CNKI文献

To understand the behavior of Li in zircon,we have analyzed the abundance and isotopic composition of Li in three zircon standards(Ple?ovice,Qinghu and Temora)widely used for microbeam analysis of U-...

Yu-Ya Gao Xian-Hua Li... 中国科学院地质与地球物理研究所2015年度(第15届)学术论文... 2016-01-14 中国会议

关键词: Ple?ovice / Qinghu / and / Temora

下载(16)| 被引(0)

Global synchronous initiation of the 2nd episode of St...  CNKI文献

Depositional age of the Xieshuihe Formation in the Nanhua Basin,South China has been controversial in the past two decades,which hampers our understanding of the synchroneity of the 2nd episode of St...

Zhongwu Lan Xian-Hua Li... 中国科学院地质与地球物理研究所2015年度(第15届)学术论文... 2016-01-14 中国会议

关键词: Xieshuihe / Formation / Jiangkou / Group

下载(16)| 被引(0)

Diagenetic xenotime dating to constrain the initial de...  CNKI文献

In the Mesoproterozoic and Neoproterozoic,the North China Craton(NCC)underwent long-lived sedimentation with minor volcanism in the Yan-Liao Rift forming the Mesoproterozoic Changcheng,Jixian and Qin...

Yan-Bin Zhang Qiu-Li Li... 中国科学院地质与地球物理研究所2015年度(第15届)学术论文... 2016-01-14 中国会议

关键词: Diagenetic / xenotime / Monazite / Changcheng

下载(13)| 被引(0)

Deciphering the physical mechanism of the topography e...  CNKI文献

The surface condition of a sample mount is an important factor influencing the precision of SIMS isotope analysis.The phenomenon that the sample topography affects the analytical precision is called ...

Guo-Qiang Tang Xian-Hua Li... 中国科学院地质与地球物理研究所2015年度(第15届)学术论文... 2016-01-14 中国会议

关键词: session / Deciphering / the / physical

下载(19)| 被引(0)

In-situ SIMS U-Pb dating of phanerozoic apatite with l...  CNKI文献

Apatite is a common accessory mineral in various igneous,metamorphic and sedimentary rocks.It has strong potential to provide important information for geochronology and petrogenesis.However,precise ...

Qiu-Li Li Xian-Hua Li... 中国科学院地质与地球物理研究所2012年度(第12届)学术论文... 2013-01-17 中国会议

关键词: SIMS / Apatite / U-Pb / In-situ

下载(34)| 被引(0)

Potential Orthopyroxene,Clinopyroxene and Olivine Refe...  CNKI文献

Over 1400 electron probe and 700 ion probe microanalyses were performed on eleven mineral separates to evaluate their potential as reference materials for in situ Li isotopic determination.Our result...

Ben-Xun Su Xiao-Yan Gu... 中国科学院地质与地球物理研究所2015年度(第15届)学术论文... 2016-01-14 国际会议

关键词: lithium / isotopes / mineral / reference

下载(4)| 被引(0)

Research on Innovative Design of Cone Kitchen Range Ho...  CNKI文献

In order to promote user satisfaction and reduce the risk of product development, an innovative design solution of kitchen range hood based on User experience(UX) and CFD technology is proposed. Firs...

Chun-hua LIU Tian-zeng LI... Proceedings of 2019 International Conference on Artific... 2019-06-23 国际会议

关键词: CFD / technology / User / experience

下载(11)| 被引(0)

The Genomic Variation of 3,000 diverse Rice (Oryza sat...  CNKI文献

Asian cultivated rice(Oryza sativa L.) is the staple food for the half world population with rich within species diversity.Comprehensive analyses of the genome resequencing data of a core collection ...

黎志康 Fan Zhang... 2018中国作物学会学术年会论文摘要集 2018-10-14 中国会议

关键词: Rice / genome / diversity / population

下载(19)| 被引(0)

Study on the Dietary nutrition of pregnant women and t...  CNKI文献

Objective To understand the dietary and nutritional status of pregnant women in different pregnancy periods, analyze the biochemical indexes in pregnant women with pregnancy-induced hypertension and ...

Maimaitiming Tuerxunjiang... 营养研究与临床实践——第十四届全国营养科学大会暨第十一届... 2019-09-20 国际会议

关键词: pregnant / women / dietary / survey

下载(8)| 被引(0)

Spatial–temporal framework for the closure of the Jun...  CNKI文献

The closure time of the Junggar Ocean is one of the hottest topics surrounding the tectonic evolution of the Central Asian Orogenic Belt(CAOB).This paper reports SIMS zircon U–Pb ages of the ophioli...

Xing-Wang Xu Neng Jiang... 中国科学院地质与地球物理研究所2015年度(第15届)学术论文... 2016-01-14 中国会议

关键词: Junggar / Ocean / Zhifang / Closure

下载(38)| 被引(0)

Mid-Neoproterozoic angular unconformity in the Yangtze...  CNKI文献

Middle Neoproterozoic sedimentary rocks are widespread in the South China Block,especially around the periphery of the Yangtze Block.They are separated into the Sibao and Danzhou groups(and their equ...

Chuan Yang Xian-Hua Li... 中国科学院地质与地球物理研究所2015年度(第15届)学术论文... 2016-01-14 中国会议

关键词: Detrital / zircon / U–Pb / age

下载(34)| 被引(0)

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