冰芯

  • 网络ice core;ice-core
冰芯冰芯
  1. 可可西里马兰冰川冰芯中Cd和Pb的浓度

    The concentrations of CD and Pb in ice core from Malan glacier , qinghai

  2. 利用电感耦合等离子体质谱仪对冰芯样品中超痕量Pb进行了直接测定。

    A new method for determination of trace Pb in ice core samples by ICP MS was developed in this laboratory .

  3. 科学家们通过查阅包括树木年轮、冰芯和湖泊沉积物在内的约700项记录,重现了过去2000年的主要气候事件。

    Scientists reconstructed the major climate events of the past 2000 years by looking at around 700 records , including tree rings , ice cores and lake sediments2 .

  4. 极地冰芯固体直流导电特性检测(ECM)及环境意义

    Solid electrical conductivity measurement of polar ice cores and its environmental significance

  5. ICP-MS法直接测定冰芯样品中超痕量镉

    Direct determination of Cd in ice core samples by ICP-MS

  6. 除了气体,科学家们表示,他们可能会利用冰芯来研究古代细菌和病毒的DNA,随着世界变暖,这些细菌和病毒可能会卷土重来。

    Beyond gases , scientists say they may be able to use ice cores to study the DNA of ancient bacteria and viruses that could come back as the world warms .

  7. 冰芯中MSA迁移假说的延伸和完善

    Extension and theoretical improvement of a hypothesis for MSA migration in ice cores

  8. 南极Vostok冰芯16万年以来同位素温度及CO2浓度变化

    160 000 years Records of Isotope Temperature and Atmospheric CO_2 from Vostok Ice Core

  9. 冰芯记录揭示Lambert冰川谷地是东南极洲重要的气候分界线

    Ice-core Record Revealed that the Lambert Glacier Valley is an Important Boundary of Climate in East Antarctica

  10. 采用ICP-MS法对冰芯样品中超痕量Cd的直接测定进行了研究。

    A new method for determination of trace Cd in ice core samples by ICP MS was developed . The analysis parameters for measuring Cd was optimized .

  11. 文章通过对古里雅冰芯中δ18O、冰川积累量和Ca等指标的研究,恢复了过去近2000a来气候环境的变化。

    The climatic and environmental changes in the past 2000 years were reconstructed based on the studies of δ 18 O , glacial accumulation and calcium .

  12. 近2000a来古里雅冰芯记录及19~20世纪的气候变暖

    Ice Core Records in the Past 2000 Years and Climate Warming during the 18th ~ 20th Centuries

  13. 冰芯和台站记录的近50a来东南极冰盖边缘地区气候变化格局

    Climate Regime of the Coastal Antarctic Ice Sheet over the Past 50 Years Indicated by the Ice-core and Meteorological Records

  14. 极地冰芯、深海沉积、黄土是过去全球变化(PAGES)的三大良好载体,分别代表了极地、海洋、陆地(人类居住地)的全球环境变化信息。

    Polar Ice-Core , Deep Sea Deposit , Loess are good carriers of the Past Global Changes ( PAGES ), which contain respectively the global environment changes information of the polar region , ocean , land ( where the mankind lived ) .

  15. Thompson从冰帽中带走了3个冰芯,并期待着对第一个冰芯的分析可能在12月揭示出厄尔尼诺现象的一些秘密。

    Thompson took three ice cores from the cap and expects to analyse the first of the cores that could yield some of El Ni ñ o 's secrets by December .

  16. 稳定氧同位素(δ18O)在冰芯研究中能够很好地反映气候变化,尤其是气温变化的一项重要指标。

    Stable oxygen isotope (δ ~ 18 O ) in ice core records is good proxy for temperature record and is representative of climatic change .

  17. 最后,对MSA迁移情况下,如何进行有关冰芯MSA计算进行了讨论,对设计实验验证并完善迁移理论提出了设想。

    Finally the related calculation referring to the MSA migration , the experiments to verify the hypothesis in lab and problems in the improvements of the migration theory were discussed .

  18. 。研究表明,末次冰期相当于格陵兰冰芯记录、北大西洋沉积记录的YD、Heinrich事件等的气候跃变事件,几根石笋取得了非常一致的准确定位及定年。

    It is showed by the study on stalagmite records that the last glacial epoch corresponds to YD and the Heinrich events recorded in North Atlantic sediment , and also corresponds to ice core from Greenland .

  19. 对采自南极乔治王岛柯林斯冰帽小冰穹顶冰芯40~50m深度处黑色沉积物样品进行了内部结构和外部形态的观察和分析。

    A systematic investigation and analysis was conducted on inner structure and exterior morphology of the black deposits collected between 40 and 50m in depth of and ice core from Low Dome of Collins Ice Cap . King George Island , Antarctica .

  20. 小冰穹冰芯除表层外,密度基本在800-900kg/m3之间,冰芯中雪冰互层,存在污化面,40m以下发现很厚的火山灰沉积物。

    The density data of the ice core from the summit of Small dome showed the fluctuation between 800 and 900kg / m 3 except that of the very surface part , in which the snow and ice interleaved frequently and dust layers existed .

  21. 根据冰芯、湖芯、树轮和历史文献恢复揭示了2ka以来高原温度降水变化特征。

    In addition , the characteristics of temperature and precipitation of the plateau over past 2000 years were disclosed based on the records of ice-cores , lacustrine sediments , tree-rings and historical documents .

  22. 冰芯中S同位素和Δ(17O)的联合运用,不仅解决了冰芯中硫酸盐、硝酸盐的来源和运移问题,而且还为其形成的氧化过程提供了细节信息;

    The combination of Δ( 17O ) and S isotope in the ice core not only traces the source and transport of sulfate and nitrate but also provides detailed information on their oxidation processes .

  23. 冰芯记录揭示出气候由冷变暖是缓慢发生的,从暖向冷是快速发生的,晚更新世最冷期在大约23Ka;全新世大约从5Ka开始降温;

    The data obtained from ice core indicates that climate changes from warm to cold is gradual and from cold to warm is rapid , the coldest climate is about 23 Ka during the late Pleistocene .

  24. 矿物和结构分析揭示了南极洲乔治王岛柯林斯冰帽一支80.2m冰芯中的9层深褐色沉积物的火山灰特征。

    Careful mineral and structural analyses have revealed the characteristics of volcanic ash in the 9 horizons of a 80.2m ice core from Collins Ice Cap , King George Island , Antarctica .

  25. 冰芯、树木年轮和历史文献方法;

    Methods of ice core tree - ring and historical writing ;

  26. 极地冰芯不溶性微粒研究进展

    Review of research on insoluble microparticles in the polar cores

  27. 冰芯所记录的环境变化及空间耦合特征

    Environmental records in ice cores and their spatial coupling features

  28. 高分辨率检测冰芯的多种物理参数

    High-resolution Measurements of Multiple Physical Parameters in an Ice Core

  29. 冰芯对于过去全球变化研究的贡献

    Contributions of Ice Core to the Past Global Change Research

  30. 这些温室效应气体在冰芯中的聚集…

    The concentration of these natural greenhouse gases in the ice cores ...