搜索结果: 1-12 共查到“理学 rare earth elements”相关记录12条 . 查询时间(0.296 秒)
Abundances of rare earth elements in crude oils and their partitions in water
rare earth elements crude oil partition coefficient NMR Junggar Basin
2017/8/9
Patterns of the entire range of REE in crude oils and coexisting water, collected from mud volcanoes in Xinjiang Province of China, are reported here for the first time. Crude oils show light REE enri...
Rare earth elements in a stalagmite from southwestern Japan: A potential proxy for chemical weathering
stalagmite rare earth elements partitioning paleoenvironment chemical weathering
2017/4/10
This study examines the distribution of rare earth elements (REEs) in an 18–4.5 ka stalagmite in southwestern Japan,
with the aim of assessing the utility of such data in paleoenvironmental reconstru...
Textures and Rare Earth Elements Composition of Banded Iron Formations (BIF) at Njweng Prospect, Mbalam Iron Ore District, Southern Cameroon
REE BIF Martite Magnetite Alteration Njweng Cameroon
2013/3/11
The REE signature of banded iron formations (BIF) and martite-goethite mineralization of the Njweng ridge (South Cameroon) are used here to decipher the nature of the ocean during the period of BIF pr...
Rare earth elements in the ornithogenic sediments from the Maritime Antarctic: A potential new palaeoecology proxy
Antarctica ornithogenic sediments rare earth elements
2017/4/12
The ornithogenic sediments in the maritime Antarctic are good archives for studying the changes of historical penguin
population. Rare earth elements (REEs) along with biological and lithophile eleme...
Determination of Rare Earth Elements (REEs) in Airborne Particulate Matter (APM) Collected in Tokyo, Japan, and a Positive Anomaly of Europium and Terbium
-Rare Earth Elements Airborne Particulate Matter Tokyo
2010/9/17
The determination of rare earth elements (REEs) in airborne particulate matter (APM) was conducted, and the distribution pattern of atmospheric REEs was evaluated in this study. The APM was collected ...
Determination of the host phase of rare earth elements in natural carbonate using X-ray absorption near-edge structure
rare earth elements yttrium XANES carbonate
2017/8/9
The Y K-edge X-ray absorption near-edge structure (XANES) spectra of various materials were measured to investigate whether rare earth elements (REEs) are incorporated in carbonate phase or in other m...
Oxidative scavenging of cerium on hydrous Fe oxide: Evidence from the distribution of rare earth elements and yttrium between Fe oxides and Mn oxides in hydrogenetic ferromanganese crusts
rare earth elements yttrium ferromanganese crust Fe oxide Mn oxide Ce oxidation seawater
2017/8/9
The distribution of the rare earths and yttrium (REY) in co-existing hydrous Mn oxides and Fe oxides that form marine hydrogenetic ferromanganese crusts is used to better describe the partitioning and...
专著信息
书名
Geochemistry of Rare Earth Elements in Permian coals from the Huaibei coalfield,
语种
英文
撰写或编译
作者
Zheng Liugen,Liu Guijian,Chou Chen-Lin
第一作者单位
出版社
Anhui Province, China[J]. Fuel, 2006
出版地
出版日期
...
期刊信息
篇名
Geochemistry of Rare-earth Elements and its Significance in the Study of Climatic and Envirnonmental Change in Barrow, Arctic Alaska.
语种
英文
撰写或编译
撰写
作者
Yang Weili,,et al.
第一作者单位
中国科学院地理科学与资源研究...
期刊信息
篇名
The geochemistry of rare earth elements(REE) in acid mine drainage from the Sitai coal mine, Shanxi Province, North China
语种
英文
撰写或编译
撰写
作者
Fenghua Zhao,Zhiyuan Cong
第一作者单位
China University of...
Site preference of rare earth elements in fluorapatite: Binary (LREE+HREE)-substituted crystals
Site preference elements fluorapatite:Binary substituted crystals
2012/4/6
Crystalsofbinary(LREEHREE)-bearing?uorapatite[La,Gd-FAp,Ce,Dy-FAp,Pr,Er-FAp,Eu,Lu-FAp;CaNa REE (P Si O ) A ,with x 0.12¤C0.20 y 0.26¤10 x 2y y x y 1 x x 4 6 2/m]havebeengrownfromH O-richphosphate-?uor...
Incorporation of rare earth elements in titanite: Stabilization of the A2/a dimorph by creation of antiphase boundaries
Incorporation rare earth elements titanite Stabilization A2/a dimorph creation antiphase boundaries
2012/4/5
Theatomicarrangementofanaturalrare-earth-richtitaniteandtwosyntheticrare-earth-
dopedtitaniteshavebeenre?nedinspacegroup A2/a, andtheatomicarrangementofanundoped P2
/a synthetictitanitewasalsore?ned...
