Collaborative Research: Elasticity Grand Challenge of the COMPRES Initiative
合作研究:COMRES 计划的弹性大挑战
基本信息
- 批准号:0135550
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2002
- 资助国家:美国
- 起止时间:2002-08-15 至 2009-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
LI0135550Elasticity measurements on minerals are the bridge between the observed seismic velocity structure of the Earth and properties of the Earth at depth, such as chemical composition and temperature. The mineral physics community is poised to undertake a new generation of experiments, which will allow us to accurately determine the properties of deep-Earth materials under a new regime of pressure and temperature (P-T) conditions. We will undertake a coordinated, multi-institutional effort to develop advanced experimental and theoretical techniques for determining sound velocities and elastic moduli on Earth materials. We will build on the current technology that utilizes light scattering and ultrasonic methods and exploit the full use of synchrotron radiation facilities for simultaneous characterization. We will pursue new methodologies utilizing inelastic x-ray scattering or gigahertz ultrasonics to expand the current capabilities. We will closely integrate theoretical approaches with the experimental to ground-truth both. Using multiple techniques, including theoretical calculations, we will focus our efforts on determining the elastic properties of olivine and its high-pressure polymorphs under high P-T conditions, and standard materials for high P-T calibrations (e.g., Pt, Au, MgO, NACI). Samples will be synthesized at a central community facility. The accuracy of each technique will be improved through inter-laboratory cross-checks and comparison with theory. This collaborative approach will greatly advance the technology of high pressure geophysics, and focus a community effort on accurate determination of the elastic properties of the most important mantle phases. These results will, in turn, be used to clarify our view of mantle composition and thermal structure.
矿物的弹性测量是观测到的地球地震速度结构与地球深部性质(如化学成分和温度)之间的桥梁。 矿物物理学界准备进行新一代实验,这将使我们能够准确地确定在新的压力和温度(P-T)条件下深地物质的性质。 我们将开展协调一致的多机构努力,开发先进的实验和理论技术,以确定地球材料的声速和弹性模量。 我们将建立在目前的技术,利用光散射和超声方法,并充分利用同步辐射设施的同时表征。 我们将寻求利用非弹性X射线散射或千兆赫超声波的新方法来扩展当前的能力。 我们将把理论方法与实验方法紧密结合起来。 使用多种技术,包括理论计算,我们将集中精力确定橄榄石及其高压多晶型物在高P-T条件下的弹性性质,以及用于高P-T校准的标准材料(例如,Pt、Au、MgO、NACI)。 样品将在一个中心社区设施进行合成。 通过实验室间的交叉检查和与理论的比较,将提高每种技术的准确性。 这种协作方法将大大推进高压地球物理学技术,并将社区努力集中在准确确定最重要的地幔相的弹性特性上。 这些结果将反过来被用来阐明我们对地幔成分和热结构的看法。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Baosheng Li其他文献
Patterned Calcite Microneedle Arrays formed on Mollusk Shells via Oriented Dissolution and Their Application for Transdermal and Intracellular Delivery
通过定向溶解在软体动物壳上形成图案化方解石微针阵列及其在透皮和细胞内递送中的应用
- DOI:
10.1002/admi.202200357 - 发表时间:
2022 - 期刊:
- 影响因子:5.4
- 作者:
Jiangfeng Li;Ningjing Song;Baosheng Li;Ercai Pan;Yurong Ma - 通讯作者:
Yurong Ma
Cyclohexenynone Precursors: Preparation via Oxidative Dearomatization Strategy and Reactivity
环己烯酮前体:通过氧化脱芳构化策略和反应性制备
- DOI:
10.1021/jacs.8b08915 - 发表时间:
2018 - 期刊:
- 影响因子:15
- 作者:
Dachuan Qiu;Jiarong Shi;Qianyu Guo;Qiuxia Xu;Baosheng Li;Yang Li - 通讯作者:
Yang Li
Acid-catalyzed ring-expansion of 4-(1-hydroxycyclobutyl)-1,2,3-triazoles
4-(1-羟基环丁基)-1,2,3-三唑的酸催化扩环
- DOI:
10.1039/d1qo01747k - 发表时间:
2022 - 期刊:
- 影响因子:5.4
- 作者:
Mingchuan Xu;Lei Liu;Tao Wang;Han Luo;Meili Hou;Luan Du;Xiaolan Xin;Qixing Lu;Baosheng Li - 通讯作者:
Baosheng Li
Efficacy and Safety of Accelerated Partial Breast Irradiation after Breast‐conserving Surgery: A Meta‐analysis of Published Comparative Studies
保乳手术后加速部分乳房照射的有效性和安全性:已发表比较研究的荟萃分析
- DOI:
- 发表时间:
2014 - 期刊:
- 影响因子:0
- 作者:
L. Kong;Jian Cheng;Xiuping Ding;Baosheng Li;Jian Zhang;Hongsheng Li;Wei Huang;Tao Zhou;Hong - 通讯作者:
Hong
Digital holographic microscopy measures underwater microorganism
数字全息显微镜测量水下微生物
- DOI:
- 发表时间:
2020 - 期刊:
- 影响因子:0
- 作者:
Jingxuan Li;Baosheng Li;Xiaoxue Zhang - 通讯作者:
Xiaoxue Zhang
Baosheng Li的其他文献
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{{ truncateString('Baosheng Li', 18)}}的其他基金
Ultrasonic Velocity Measurements on Multiphase Agg
多相聚集体的超声波速度测量
- 批准号:
1524078 - 财政年份:2015
- 资助金额:
-- - 项目类别:
Continuing Grant
Ultrasonic Velocity and Density Measurements on Silicate Melts at Upper Mantle Pressures
上地幔压力下硅酸盐熔体的超声波速度和密度测量
- 批准号:
1045630 - 财政年份:2011
- 资助金额:
-- - 项目类别:
Standard Grant
In-situ Acoustic Velocity Measurement on Mantle Phase Transitions
地幔相变的原位声速测量
- 批准号:
0635860 - 财政年份:2007
- 资助金额:
-- - 项目类别:
Continuing Grant
Elastic Wave Velocity Measurements on Unquenchable Mantle Phases
不可淬灭地幔相的弹性波速度测量
- 批准号:
0003340 - 财政年份:2001
- 资助金额:
-- - 项目类别:
Standard Grant
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