搜索结果: 1-15 共查到“理学 Trace Elements”相关记录29条 . 查询时间(0.109 秒)
Simultaneous determination of 58 major and trace elements in volcanic glass shards from the INTAV sample mount using femtosecond laser ablation-inductively coupled plasma-mass spectrometry
volcanic glass tephra LA-ICP-MS element abundance femtosecond lasert
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2017/4/10
Four volcanic glass samples on the INternational focus group on Tephrochronology And Volcanism (INTAV) sample
mount described by Kuehn et al. (2011) were analyzed to establish a new methodology for m...
Trace elements mobility in soils from the hydrothermal area of Nisyros (Greece)
volatile elements fumarolic gases volcanoes
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2015/8/18
Nisyros Island, Greece, is a stratovolcano known for its intense hydrothermal activity. On June 2013, during a multidisciplinary field campaign, soil samples were collected in the caldera area to dete...
GEOTRACES—A Global Study of the Marine Biogeochemical Cycles of Trace Elements and Their Isotopes
Marine Biogeochemical Cycles Trace Elements Their Isotopes
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2015/7/28
Since the late 1990s there has been a growing impetus for a comprehensive global study of the marine biogeochemical cycles of trace elements and their isotopes (TEIs). This has led to the development ...
Microbial Community Composition and the Effects of Trace Elements on Methanogenesis Associated with Deep Subsurface Coal
Biological sciences Coalbed methane Coal biodegradation Methanogenesis Trace elements
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2015/1/28
Biogenic coalbed methane (CBM), an end product of anaerobic coal biodegradation, is a natural gas. It is generated and trapped in large quantities in deep, unmineable coalbeds. This dissertation descr...
Annex 3 to: Trace elements mobility in soils from the hydrothermal area of Nisyros (Greece)
Earthquake GPS Historical seismology Ionosphere Irpinia
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2015/8/18
Annex 3 to: Trace elements mobility in soils from the hydrothermal area of Nisyros (Greece) .
Annex 2 to: Trace elements mobility in soils from the hydrothermal area of Nisyros (Greece)
Earthquake GPS Historical seismology Ionosphere Irpinia
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2015/8/18
All soil samples were air dried, thoroughly mixed and split into subsamples for analysis. Particular care was taken using a Riffle-type sample splitter to ensure that representative subsamples were ob...
Contribution of Asian outflow to atmospheric concentrations of sulfate and trace elements in aerosols during winter in Japan
Asian outflow nonsea-salt sulfate trace elements sulfur isotopes coal combustion
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2017/4/11
The atmospheric concentrations of nonsea-salt (nss) SO4
2– and trace elements (As, Cd, Co, Cr, Cu, Mn, Ni, Pb, Sb, Se,
V, and Zn) were measured for aerosol samples collected concurrently at ten site...
Water–rock interactions and trace elements distribution in dolomite aquifers: The Sassolungo and Sella systems (Northern Italy)
groundwater carbonate minerals carbon dioxide trace elements isotopes
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2017/4/11
Water–rock interaction processes and trace elements distribution were studied in the Triassic dolomite aquifers of
Sassolungo and Sella group (Dolomite mountains, northern Italy). These systems consi...
Contents, Enrichment, Toxicity and Baselines of trace elements in the estuarine and coastal sediments of the Daliao River System, China
estuary sediment trace element enrichment toxicity regional geochemical baseline
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2017/4/11
The Daliao River System (DRS) estuary in the Liaodong Bay has a highly industrial, urbanized, and agricultural
catchment. The objective of this study was to investigate the multi-elemental geochemist...
Enrichment of trace elements in ferromanganese concretions from terra rossa and their potential desorption
dolomite karst weathering terra rossa ferromanganese concretions simulated acid rain toxic element desorption
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2017/4/11
The distributions of trace elements in ferromanganese concretions (FMCs) and the surrounding terra rossa (TR) matrix
overlying dolomite have been examined to extend our understanding of their mobiliz...
Trace Elements Distribution in Red Soils under Semiarid Mediterranean Environment
Trace Elements Castilla-La Mancha Region Red Soils Soil Geochemistry
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2013/3/6
This study states the potential trace elements (TE’s) content of red soils located at the centre region of Spain, characterized by low rainfall and slight acidity over prolonged weathering periods. Fo...
The development of whole rock analysis of major and trace elements in XRF glass beads by fsLA-ICPMS in GSJ geochemical reference samples
bulk chemistry major and trace elements glass beads
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2017/4/12
Using laser-ablation inductively coupled plasma mass spectrometer (LA-ICPMS), we have improved the reliability of
the abundance data for trace-elements in geochemical samples using a glass bead ablat...
Atmospheric wet deposition of mercury and other trace elements in Pensacola, Florida
Atmospheric wet deposition mercury other trace elements Pensacola
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2010/8/13
In an effort to understand and quantify the impact of local, regional, and far-distant atmospheric mercury sources to rainfall mercury deposition in the Pensacola, Florida watershed, a program of even...
Nanofibrils and other colloidal biopolymers binding trace elements in coastal seawater: Significance for variations in element size distributions
Nanofibrils other colloidal biopolymers binding trace elements in coastal seawater:Significance variations in element
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2014/4/16
Colloidal size spectra of Fe, Cu, Ag, La, and Pb were determined by asymmetrical flow field–flow fractionation coupled to high-resolution inductively coupled plasma mass spectrometry, in samples from ...
Interference elimination studies during the determination of trace elements in cow liver using differential pulse polarography
Liver trace elements determination polarographic
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2010/10/14
The liver is known to accumulate many trace elements; thus it is very important to determine their level in a sensitive way. The objective of this study was to develop a simple method for the simultan...