高压物理学报

六面顶压机高温高压弹性波速测量装置样品室温度梯度的校正

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刘巍 ¹ , 杜建国 ¹ , 于泳 ² , 白利平 ¹ , 王传远 ¹

高压物理学报 | 2003,17(2): 95-100

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高压物理学报 | 2003 , 17 (2) : 95 -100

六面顶压机高温高压弹性波速测量装置样品室温度梯度的校正

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刘巍¹, 杜建国¹, 于泳², 白利平¹, 王传远¹

作者信息

^1.中国地震局分析预报中心，北京　100036

^2.中国地震局地质研究所，北京　100029

作者简介:

刘巍（1974—），女，博士研究生.

Correction of Temperature Gradient in Sample Cell of Pulse Transmission Experimental Setup on Multi-Anvil High Pressure Apparatus

Wei LIU¹, Jian-Guo DU¹, Yong YU², Li-Ping BAI¹, Chuan-Yuan WANG¹

Affiliations

^1.Center for Analysis and Prediction, China Seismological Bureau, Beijing 100036, China

^2.Institute of Geology, China Seismological Bureau, Beijing 100029, China

出版时间: 2003-06-05

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摘要

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大腔体六面顶压机波速测量装置的样品室内存在着较大的温度梯度。根据实验观测的样品室内的温度分布数据和在一定温度条件下波速随温度升高呈线性变化的特征，运用理论分析和计算相结合的方法对样品的弹性波速进行了校正。以斜长角闪岩为例，对其实验测量的纵波速度（v_P）进行了校正，并与原来的数据作了对比：波速校正量绝对值随着温度的升高逐渐增大；在2.0 GPa、530 ℃时，样品X和样品Y校正后的v_P比未校正的v_P分别减小了0.270 km/s（3.3%）和0.118 km/s（1.5%）。这种方法明显地提高了波速测量结果的精度，有助于更准确地进行地球物理资料的解释。

关键词

高温高压实验 / 弹性波速测量 / 温度梯度校正 / 走时

Abstract

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There is a remarkable temperature gradient in the sample cell in the pulse transmission experimental setup on a multi-anvil high pressure apparatus. The elastic wave velocity was corrected by combination of experiment, theory analysis, and computation in terms of the experimental data on temperature distribution in the sample and the linear decrease of temperature dependence of elastic wave velocities in rocks at a given temperature range. The experimental v_P in amphibolite was corrected by this method and compared with the v_P without correction: the absolute correction value turned greater as the temperature increased; at 530 ℃, the greatest correction of velocities in the sample X and sample Y were up to -0.270 km/s and -0.118 km/s with the decreases of 3.3% and 1.5%, respectively. This method improves the accuracy of v_P measurement in high pressure and temperature experiments, which is useful to interpret geophysical data by combining the experimental results.

Key words

high pressure and temperature experiment / elastic wave velocity measurement / temperature gradient / travel time

引用本文

刘巍, 杜建国, 于泳, 白利平, 王传远. 六面顶压机高温高压弹性波速测量装置样品室温度梯度的校正. 高压物理学报, 2003 , 17 (2) : 95 -100 .

Wei LIU, Jian-Guo DU, Yong YU, Li-Ping BAI, Chuan-Yuan WANG. Correction of Temperature Gradient in Sample Cell of Pulse Transmission Experimental Setup on Multi-Anvil High Pressure Apparatus[J]. Chinese Journal of High Pressure Physics, 2003 , 17 (2) : 95 -100 .

基金

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国家自然科学基金(10032040)

参考文献

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文献

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参考文献引证文献

排序方式：

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2003年第17卷第2期

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接收时间：2002-10-18
首发时间：2026-10-31
出版时间：2003-06-05

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收稿日期：2002-10-18
修回日期：2003-01-20

基金

国家自然科学基金(10032040)

作者信息

^1.中国地震局分析预报中心，北京　100036

^2.中国地震局地质研究所，北京　100029

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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