风化作用

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火山磷供给推动中国北方中生代陆地生物繁荣被引量：1
《Science Bulletin》2023年第12期1317-1326,M0004,共11页马超 汤艳杰 Ross N.Mitchell 李永飞 孙守亮 朱吉昌 Stephen F.Foley 王敏 叶辰阳 英基丰 朱日祥 
supported by the National Natural Science Foundation of China(42288201,41725014,and 41888101);the State Key Laboratory of Lithospheric Evolution(SKL-Z202302);the China Geological Survey Project(DD20190098).
中国北方中生代热河生物群的生物量和生物多样性超过了同时期的其他陆地生物群,早白垩世热河生物群的辐射可能是对华北克拉通峰期破坏过程的响应,然而,克拉通破坏的深部过程和陆地生物群演化之间的内在联系尚不清楚。磷是生命所必需的...
关键词：风化作用 华北克拉通 火山碎屑岩 陆地生物 火山作用 陆地环境 地球深部 沉积序列 
Spatiotemporal variations of Zr/Rb ratio in three last interglacial paleosol profiles across the Chinese Loess Plateau and its implications for climatic interpretation被引量：6
《Chinese Science Bulletin》2008年第9期1413-1422,共10页WANG HaiBin LIU LianYou FENG ZhaoDong 
Supported by Chinese Ministry of Education (Grant No. 2000-65);the U.S. National Science Foundation (Grant No. BCS-0078557)
The ratio of Zirconium to Rubidium (Zr/Rb) is suggested to be a better proxy for the East Asian winter monsoon strength than the widely-used grain size distribution. The rationale for the Zr/Rb proxy relies on the fol...
关键词：锆 铷 风化作用 古土壤 
FTIR-ATR chamber for observation of efflorescence and deliquescence processes of NaClO_(4) aerosol particles on ZnSe substrate被引量：3
《Chinese Science Bulletin》2005年第19期2149-2152,共4页ZHANG Yunhong HU Yong'an DING Fei ZHAO Lijun 
This work was supported by the National Natural Science Foundation of China(Grant Nos．20073004 and 20473012);the Trans—Century Training Program Foundation for the Talents by the Ministry of Education．
NaClO4 aerosol particles with diameter of 5―20 microns are deposited on the ZnSe substrate. An FTIR-ATR chamber on the ZnSe substrate is set up to ob-serve the structural changes of NaClO4 aerosol particles at crysta...
关键词：FTIR-ATR 气溶胶 毛细管凝聚 NaClO4 风化作用 潮解作用 
Distribution characteristics of 137Cs in wind-eroded soil profile and its use in estimating wind erosion modulus被引量：11
《Chinese Science Bulletin》2005年第11期1155-1159,共5页HUYunfeng LIUJiyuan ZHUANGDafang CAOHongxia YANHuimin YANGFengting 
the Chinese National Key Basic Research Promotion Program(Grant No.2002CB412500); the Chinese Acad-emy of Sciences Knowledge Innovation Project(Grant No.KZCX-2-308).
Due to its inert reaction in soil system and distinctive vertical distribution in soil profile, caesium-137 (137Cs) has been used as a tracer to assess wind erosion. In this study, 62 soil samples were collected from ...
关键词：风化作用 铯元素 分布特征 风化模型 
Meso-Cenozoic uplifting and exhumation on Yunkaidashan:Evidence from fission track thermochronology被引量：8
《Chinese Science Bulletin》2005年第9期903-909,共7页LIXiaoming WANGYuejun TANKaixuan PENGTouping 
This work was supported by the National Natural Science Foundation of China(Grant Nos.40334039,40421303 and 40473019);the Chinese Academy of Sciences(Grant Nos.KZCX2-SW-117 and GIGCX-03-0l).
Yunkaidashan, located at the southern South China block (SCB) and closely adjacent to the Indochina block, is an ideal region for better understanding the temporal and spatial framework of tectonothermal overprinting ...
关键词：岩石学 锆石 磷灰石 风化作用 腐蚀作用 
Grain-size evidence for multiple origins of the reticulate red clay in southern China被引量：10
《Chinese Science Bulletin》2005年第9期910-918,共9页HUXuefeng ZHUYu SHENMingneng 
This work was sup-ported by the N ational Natural Science Foundation of China(Grant Nos.40101013 and 40325007).
Grain-size distributions of the reticulate red clay in Xuancheng, Anhui Province, and Jiujiang, Taihe and Ganzhou, Jiangxi Province, are analyzed. The results are as follows: (1) Generally fine and uniform, grain-size...
关键词：颗粒尺寸 红土 网状分布 风化作用 地质环境 
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