筛选条件 共查询到25条结果
排序方式
Sedimentary record and risk assessment of polycyclic aromatic hydrocarbons in the northern Taihu Basin

期刊: GEOCHEMICAL JOURNAL, 2021; 55 (4)

Polycyclic aromatic hydrocarbons (PAHs) accumulate and persist ubiquitously in natural environment during Anthropocene. This study was conducted in a ......

A record of( 241)Am, U-236, U-238, Pu-239, Pu-240, Cs-134 and Cs-137 in surface seawater and Am-241 in aerosols shortly after the FDNPP incident occurred

期刊: GEOCHEMICAL JOURNAL, 2021; 55 (1)

We obtained the rare data on low activity concentration of Am-241 in the surface seawater collected at about 210 km northeast of Fukushima Daiichi Nuc......

Mineralization in the Shimensi Deposit, Northern Jiangxi Province, China: Evidence from Pb and O isotopes

期刊: GEOCHEMICAL JOURNAL, 2021; 55 (2)

The Shimensi tungsten-polymetallic deposit, located in Lower Yangtze mineralization province, is a recently-discovered world-class deposit. It is nece......

Application of handheld XRF on Ta-Nb-Sn-W ore: Factory calibration or user calibration?

期刊: GEOCHEMICAL JOURNAL, 2021; 55 (3)

Handheld X-ray fluorescence (HHXRF) has many applications in earth and the environmental sciences including TaNb-Sn-W ore exploration, mining and trad......

Holocene high-resolution monsoon climate fluctuations in the Mu Us desert, China

期刊: GEOCHEMICAL JOURNAL, 2021; 55 (4)

The MGS1 segment of the Milanggouwan stratigraphic section, which is located on the southeastern margin of the Mu Us Desert in China, recorded 11 sedi......

Equilibrium sulfur isotope fractionations of several important sulfides

期刊: GEOCHEMICAL JOURNAL, 2021; 55 (3)

The volume variable cluster model method, which is an improvement proposed by Rustad and coworkers, has been successfully used to calculate equilibriu......

Zircon U-Pb dating of a tuff layer from the Miocene Onnagawa Formation in Northern Japan

期刊: GEOCHEMICAL JOURNAL, 2021; 55 (3)

During the Middle-to-Late Miocene, diatomaceous sediments were deposited in the North Pacific margin and marginal basins. The Onnagawa Formation is on......

Hydrogen isotopic composition of n-alkanes in sediments from freshwater Fuxian Lake in subtropical, China: Implications for the ecological environment

期刊: GEOCHEMICAL JOURNAL, 2019; 53 (3)

The normal alkanes (n-alkanes) and their hydrogen isotopic (delta D) values in sediments and aquatic and terrestrial plants from Fuxian Lake area of C......

JIF:0.99

Applying an improved method to measure Cs-134, Cs-135, and Cs-137 activities and their atom ratios in marine sediments collected close to the Fukushima Daiichi Nuclear Power Plant

期刊: GEOCHEMICAL JOURNAL, 2018; 52 (2)

The Cs-135/Cs-137 atom ratio has been proved to be a reliable tracer for radiocesium source identification in the studies on the Fukushima Daiichi Nuc......

JIF:0.99

Copper isotopic compositions of hydrothermal sulfides from the mid-ocean ridge and implications for later oxidation processes

期刊: GEOCHEMICAL JOURNAL, 2018; 52 (1)

Considerable Cu isotopic fractionation occurs during the formation of mineral deposits and the oxidative weathering processes of modern seafloor hydro......

JIF:0.99

Using geochemical data for prospecting target areas by the sequential maximum angle convex cone method in the Manzhouli area, China

期刊: GEOCHEMICAL JOURNAL, 2018; 52 (1)

Prospecting target areas generally involves a comprehensive analysis of the geological prospecting criteria or the use of mathematical methods to extr......

JIF:0.99

Spatial mapping of radon: Implication for fault delineation

期刊: GEOCHEMICAL JOURNAL, 2018; 52 (4)

The spatial distribution of radon in soil and ground water is investigated in the proximity of Khairi Murat (KM) fault, Northern Pakistan. The present......

JIF:0.99

Characterisation of aromatic hydrocarbons formed from alkane pyrolysis

期刊: GEOCHEMICAL JOURNAL, 2018; 52 (4)

With the aim of improving understanding of aromatic hydrocarbon formation by transformation of alkanes during maturation, the C-23, C-28, C-29, C-31 a......

JIF:0.99

共25条页码: 1/2页15条/页