Showing 81 - 100 results of 144 for search '"geochemistry"', query time: 0.06s Refine Results
  1. 81

    Gas Chromatography Coupled to High Resolution Time-of-Flight Mass Spectrometry as a High-Throughput Tool for Characterizing Geochemical Biomarkers in Sediments by Hector Henrique Ferreira Koolen, Clécio Fernando Klitzke, Joe Binkley, Jeffrey Patrick, Ana Cecília Rizatti de Albergaria-Barbosa, Rolf Roland Weber, Márcia Caruso Bícego, Marcos Nogueira Eberlin, Giovana Anceski Bataglion

    Published 2018-01-01
    “…GC-HRTofMS reduces both sample preparation time and the number of chromatographic runs compared to traditional methodologies used in organic geochemistry. Particularly, the approach based on in-situ derivatization thermal desorption represents a very simple method that can be performed in-line employing few milligrams of sediment, eliminating the need for any sample preparation and solvent use. …”
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    Influence of minor hydrocarbon seepage on sulfur cycling in marine subsurface sediments by E. Schnabel, A. Vuillemin, C. C. Laczny, B. J. Kunath, A. R. Soares, A. J. Probst, R. Di Primio, J. Kallmeyer

    Published 2025-02-01
    “…However, these low and often unnoticed upward HC fluxes still influence the geochemistry of surrounding sediments and potentially stimulate metabolic activity by microbial populations in shallow subseafloor environments.…”
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  6. 86

    Defining geosciences research data through metadata reuse: by Alexandre Ribas Semeler, Luana Farias Sales, Adilson Luiz Pinto, Roberta Pereira da Silva de Paula, Valquer Cleyton Paes Gandra, Heloisa Costa

    Published 2025-02-01
    “…The data come from a range of disciplines, including geochemistry, atmospheric science, paleontology, oceanography, geophysics, and hydrology, using technologies such as satellites, electronics microscopes, climate sensors, ships, computer modeling, and others. …”
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    Effects of Igneous Intrusion on Microporosity and Gas Adsorption Capacity of Coals in the Haizi Mine, China by Jingyu Jiang, Yuanping Cheng

    Published 2014-01-01
    “…The results show that the thermal evolution of the sill obviously changed the coal geochemistry and increased the micropore volume and adsorption capacity of heat-affected coal (60–160 m from the sill) compared with the unaltered coals. …”
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    Element Geochemical Analysis of the Contribution of Aeolian Sand to Suspended Sediment in Desert Stream Flash Floods by Xiaopeng Jia, Haibing Wang

    Published 2014-01-01
    “…On the basis of element geochemistry data analysis, we found that aeolian sand was similar to suspended sediment in element composition, which suggests that aeolian sand contributes to suspended sediment in flash floods. …”
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  16. 96

    Groundwater Quality Assessment in a Karst Coastal Region of the West Aurunci Mountains (Central Italy) by Giuseppe Sappa, Silvia Iacurto, Flavia Ferranti, Francesco M. De Filippi

    Published 2019-01-01
    “…Results suggest that carbonate weathering, ion exchange, and seawater intrusion in this karst coastal region are the major factors controlling groundwater geochemistry. This study shows that groundwater quality assessment, based on hydrogeochemical investigation techniques, has been a useful tool to characterize and model carbonate aquifers in Central Italy, with the aim of achieving proper management and protection of these important water resources.…”
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  17. 97

    Analysis of Hydrogeochemical Characteristics of Tunnel Groundwater Based on Multivariate Statistical Technology by Chen Peng, Yuanming Liu, Huiyu Chen, Qiaowei Yuan, Qingzhi Chen, Shilong Mei, Zhonghu Wu

    Published 2021-01-01
    “…Cluster 3 is dominated by upper surface river water and characterizes the geochemistry in natural water bodies dominated by the dissolution of carbonate, sulfate, and salt rocks. …”
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  18. 98

    Monitoring of Technical Condition of Buildings by Seismic Method by Alena A. Kurdanova, Mikhail N. Voskresenskiy, Elena A. Kosorotova, Gennadiy I. Parygin

    Published 2024-12-01
    “…According to the results of annual monitoring (since 2017), the stable state of the Institute of Geophysics building of UB RAS is demonstrated, and a comparison with resonant frequencies obtained from the standard project (Institute of Geology Geochemistry of UB RAS) is presented. This article presents a method for assessing seismic stability by calculating horizontal acceleration ( ) at observation points. …”
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