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47篇 您的检索式:作者名="Raisbeck"
    题名 作者 年代 出处 被引量
1In situ cosmogenic ^(10)Be dating of the Quaternary glaciations in the southern Shaluli Mountain on the Southeastern Tibetan Plateau显示文摘It is generally considered that four-times ice age happened during the Quaternary epoch on the Tibetan Plateau. However, the research on the chronology of the four-times ice age is far from enough. The Shaluli Mountain on the Southeastern Tibetan Plateau is an ideal place for plaeo-glacier study, because there are abundant Quaternary glacial remains there. This paper discusses the ages of the Quaternary glaciations, based on the exposure dating of roche moutonnée, moraines and gla- cial erosion surfaces using in situ cosmogenic isotopes 10Be. It is found that the exposure age of the roche moutonnée at Tuershan is 15 ka, corresponding to Stage 2 of the deep-sea oxygen isotope, suggesting that the roche moutonnée at Tuershan is formed in the last glacial maximum. The expo- sure age of glacial erosion surface at Laolinkou is 130―160 ka, corresponding to Stage 6 of the deep-sea oxygen isotope. The oldest end moraine at Kuzhaori may form at 421―766 kaBP, corre- sponding to Stages 12―18 of the deep-sea oxygen isotope. In accordance with the climate charac- teristic of stages 12,14,16 and 18 reflected by the deep-sea oxygen isotope, polar ice cores and loess sequence, the oldest end moraine at Kuzhaori may form at stage 12 or stage 16, the latter is more possible.Raisbeck Grand Yiou Francios 2006Science China Earth Sciences2006,49,12:26
2利用陆面岩石中生成的宇生同位素重建冰川漂砾运动历史的尝试显示文摘冰川漂砾的形成年代通常难以直接测定,并且漂砾形成以后是否被再次搬运或者移动过,更是无法知道。本文研究发现,通过测试砾石不同部位的宇生同位素,不仅可以测定砾石形成的时代,而且可以确定砾石再次被搬运或者被翻转的年代,从而恢复砾石运动的历史。本文以石英中生成的宇生同位素^(10)Be,对青藏高原东南部海子山的冰川漂砾进行了探讨,结果表明该砾石形成于倒数第二次冰期(186~128 ka BP之间),在末次冰期中再次被冰川搬运,使之反转。该方法不局限于^(10)Be和冰川漂砾,也适用于其他陆面岩石中生成的宇生同位素以及其他成因的石块或者砾石。因此为探讨冰川作用、泥石流活动、重力崩塌等过程提供了一种重要的方法和技术途径。王建 Francois Yiou Grand Raisbeck 徐孝彬 2003地质学报2003,77,3:10
3地貌学与第四纪研究的新手段——陆地宇生核素研究显示文摘暴露岩石表层中的宇生核素的浓度 ,是产生速率、衰变常数及侵蚀速率的函数。根据该原理 ,在宇生核素形成速率为已知的条件下 ,建立宇生核素浓度与时间及侵蚀速率的函数关系 ,根据该模式可对岩面的暴露时间及侵蚀速率进行计算 ,这使得该测年技术在地貌学与第四纪研究中有着极大的运用前景。在众多的宇生核素中 ,取自于石英的2 6 Al和1 0 Be是目前该领域中运用最广泛、最成熟的宇生核素。徐孝彬 王建 Franoise Yiou Grant Raisbeck 2002地理科学2002,22,5:6
4江西农业大学学报,脑灰质软化症伴发于高硫酸盐饲料吗[J],1983(S1)显示文摘M F Raisbeck 花象柏 江西农业大学学报0,,s1:1
510Be in ice at Vostok Antarctica during the last climate cycle 显示文摘Yiou F Raisbeck G M Klein J Middleton R 1985Nature1985,316,:1
6Comparative Performance of PPPs and Traditional Procurement in Australia显示文摘Raisbeck P Duffields C Xu M 2010Construction Management and Economics2010,28,4:1
7^10Be and δ^2H in polar ice cores as a probe of the solar variability's influence on climate显示文摘Raisbeck G M Yiou F Jouzel J 1990Philosophical Transactions of The Royal Society of London1990,330,:1
8Production of long lived cosmogenic nuclei and the ir applications显示文摘RAISBECK G M YIOU F 1984Nucl Instr Methods Phys Res1984,233,:1
9Immunological monitoring in patients with end-stage renal disease显示文摘Wayne C. Waltzer Radoslav J. Bachvaroff Audrey P. Raisbeck Bjorg Egelandsdal Christopher Pullis Liling Shen Felix T. Rapaport 1984Journal of Clinical Immunology1984,,5:1
10Solar irradiance during the last 1200 years based on cosmogenic nu clides显示文摘Bard E Raisbeck G Yiou F 2000Tellus B2000,52,:1
11Herdi2tary copper toxicosis in West Highland White Terriers 显示文摘Thomberg L P Shaw D Raisbeck D M 1986Vet Pathol1986,23,2:1
12Examination of surface expos ure ages of Antarctic moraines using in situ produced 10Be and 26Al 显示文摘BROWN E T EDMOND J M RAISBECK G M 1991Geochim Cosmochim Acta1991,55,:1
13Examination of Surface Exposure Ages of Antarcitc Moraines using In Situ Produced ^10Be and ^26Al显示文摘Brown E T Edmond J M Raisbeck G M 1991Beochimica et Cosmochimica Acta1991,55,:1
14Rapid Holocene deglaciation of the labrador sector of the laurentide ice sheet显示文摘Carlson A E Clark P U Raisbeck G M 0,,:1
15Evidence for two intervals of enhanced 10Be deposition in Antarctic ice during the last glacial period显示文摘Raisbeck G M Yiou F Bourles D 1987Nature1987,326,:1
16张八岭地区岩群出露年代研究显示文摘暴露岩石中宇生核素的浓度与暴露年代、侵蚀速率相关,暴露年代和侵蚀速率可相互求证,但两者均为未知数时,可求算出最大侵蚀速率和最小暴露年代。据此得出张八岭地区的最大侵蚀速率为7 12m/Ma,最小暴露年代为(85700±1500)a,这一年代远小于统一夷平面的形成年代(7~3 6Ma),造成这种差距的主要原因是:①张八岭地区侵蚀速率大,岩石中宇生核素的浓度较早达到平衡,即达到该地区的测年上限;②采样地区曾被土壤覆盖,造成计算年代值过于年轻。徐孝彬 王建 Francoise Yiou Grant Raisbeck 朱捷 姜洪涛 杨亦青 2003海洋地质与第四纪地质2003,23,1:1
1710Be in ice at Vostok Antarctica during the last climatic cycle显示文摘Yiou F Raisbeck G M Bourles D 1985Nature1985,316,:1
18^129I from nuclear reprocessing as an oceanographic tracer 显示文摘Yiou F Raisbeck G M Zhou Z Q 1994Nuclear Instruments and Methods in Physics Research1994,92,:1
19Measurement of 10Be with a tandetron accelerator operating at 2 MV显示文摘Raisbeck G M Yiou F Bourles D 1984Nuclear Instruments and Methods in Physics Research Section B:Beam Interactions with Materials and Atoms1984,5,2:1
20Extraction and AMS measuremem of carrier free ^129I/^127I from seawa- ter显示文摘F Yiou G Raisbeck H Imbaud 2004Nucl Instr Meth B2004,,:1
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