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中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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CAS IR Grid
机构
地质与地球物理研究所 [1]
广州地球化学研究所 [1]
长春光学精密机械与物... [1]
寒区旱区环境与工程研... [1]
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Sulfur isotopes of carbonatite from the giant Maoniuping REE deposit, SW China
期刊论文
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ORE GEOLOGY REVIEWS, 2023, 卷号: 162, 页码: 12
作者:
Weng, Qiang
;
Yang, Wu-Bin
;
Niu, He-Cai
;
Li, Ning-Bo
;
Shan, Qiang
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收藏
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浏览/下载:10/0
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提交时间:2024/09/14
Carbonatite
Sulfur isotopes
Barite and galena
Source and processes
Giant Maoniuping REE deposit
Improved full waveform moment tensor inversion of Cratonic intraplate earthquakes in southwest Australia
期刊论文
OAI收割
GEOPHYSICAL JOURNAL INTERNATIONAL, 2021, 卷号: 227, 期号: 1, 页码: 123-145
作者:
Lin, Xiangdong
;
Yuan, Huaiyu
;
Dentith, Michael C.
;
Murdie, Ruth
;
Gessner, Klaus
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收藏
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浏览/下载:79/0
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提交时间:2021/11/01
Waveform inversion
Earthquake source observations
Seismicity and tectonics
Seismic noise
Intra-plate processes
Effects of crust and shrub patches on runoff, sedimentation, and related nutrient (C, N) redistribution in the desertified steppe zone of the Tengger Desert, Northern China
期刊论文
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GEOMORPHOLOGY, 2008, 卷号: 96, 期号: 1-2, 页码: 221-232
作者:
Li, X. J.
;
Li, X. R.
;
Song, W. M.
;
Gao, Y. P.
;
Zheng, J. G.
收藏
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浏览/下载:33/0
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提交时间:2019/10/08
desert shrubland
water erosion and sedimentation
resource redistribution
source-sink relationships
ecological control on geomorphic processes
ecosystem management
Energy transfer processes on both Er+ ion concentration and excitation densities in Yb3+-Er3+ codoped LaF3 matrix (EI CONFERENCE)
会议论文
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作者:
Zhang J.
;
Wang Y.
;
Wang Y.
;
Wang Y.
;
Zhang J.
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浏览/下载:22/0
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提交时间:2013/03/25
The effects of both Er3+ ion concentration and excited density upon frequency upconversion fluorescence emissions in Er3+/Yb 3+-codoped LaF3 powder are investigated. The results reveal that a higher Er3+ concentration can induce not only upconversion emission enhancements but also the changes among the relative intensities of the 407
519
539 and 651 nm radiation transitions as the samples are excited within the ranges of 20 to 700 mW with 978 nm laser diode (LD) as an excitation source. The changes are described by a schematic level model with the cross-relaxation processes between Er3+ ions and a series of dynamic equations that take into account the population of temperature dependent in Er3+. 2006 Elsevier B.V. All rights reserved.
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