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Showing 81-100 of 5,336 results
  1. Isotherm and kinetic studies on the adsorption of humic acid molecular size fractions onto clay minerals

    Humic acid (HA) can adsorb onto mineral surfaces, modifying the physicochemical properties of the mineral. Therefore, understanding the sorption...

    Mohamed E. A. El-Sayed, Moustafa M. R. Khalaf, James A. Rice in Acta Geochimica
    Article 08 March 2019
  2. Climatic Conditions as Factors Influencing the Formation of High-Moor Peat Organic Part

    In this paper, the authors identified a number of characteristic features of the transformation of peat organic matter in the conditions of the...
    Alexander Orlov, Ivan Zubov, ... Svetlana Zabelina in New Prospects in Environmental Geosciences and Hydrogeosciences
    Conference paper 2022
  3. Composition and Sources of Dissolved Organic Matter in the Goafs of the **njulong Coal Mine

    Dissolved organic matter (DOM) regulates and controls the transformation and bio-availability of metals in coal mines. Water samples were collected...

    Mengyang Sun, Yanqing Ding, ... Yajun Sun in Mine Water and the Environment
    Article 23 November 2023
  4. Vertical variations and composition of dissolved free amino acid in the seawater of the Yap Trench in the western Pacific Ocean

    The composition and concentration of dissolved free amino acid (DFAA) of seawater samples collected in May 2016 from the surface to the hadal zone of...

    Jiaohong Niu, Chengjun Sun, ... **anchi Gao in Journal of Oceanology and Limnology
    Article 12 October 2022
  5. Subtropical stormwater ponds are more frequently net nitrogen fixing compared to natural ponds

    Urban stormwater ponds (SWPs) are engineered ecosystems designed to prevent flooding and protect downstream ecosystems by retaining nutrients...

    Audrey H. Goeckner, Ashley R. Smyth, ... Alexander J. Reisinger in Biogeochemistry
    Article Open access 13 June 2024
  6. Hydrochemical Characteristics of Lakes of Different Types on the Bolshoi Solovetskii Island

    Abstract

    Comprehensive hydrochemical studies of nine lakes of different types on the Bolshoi Solovetskii Island (Arkhangelsk region) were carried out...

    K. V. Titova, N. M. Kokryatskaya, ... N. S. Prilutskaya in Water Resources
    Article 01 February 2024
  7. Organic matter cycling in a model restored wetland receiving complex effluent

    Wetlands have been used to treat anthropogenic effluents for decades due to their intense biogeochemical processes that transform and uptake...

    **ngzi Zhou, Sarah Ellen Johnston, Matthew J. Bogard in Biogeochemistry
    Article Open access 11 December 2022
  8. Feedstock type, pyrolysis temperature and acid modification effects on physiochemical attributes of biochar and soil quality

    Biochar is an organic and pyrogenic material produced by pyrolysis of animal or plant-based feedstocks. In recent days, biochar has gained much...

    Ghulam Murtaza, Zeeshan Ahmed, Muhammad Usman in Arabian Journal of Geosciences
    Article 02 February 2022
  9. Even-carbon predominance of Monomethyl branched alkanes in Humic coal from Junggar Basin, NW China

    A series of Monomethyl branched alkanes compounds were detected between nC 14 –nC 36 , in immature and low maturity Jurassic humic coal, Junggar basin....

    Qingsong Cheng, Min Zhang, Guanghui Huang in Acta Geochimica
    Article 05 September 2019
  10. Influence Mechanism of Different Weathering Degrees on Conversion of Coal to Biogas

    To investigate the influence mechanism of weathering in the biogas production from coal, the characteristics of three coal samples with different...

    **le Liu, Fenghua Zhao, ... **aokai Xu in Natural Resources Research
    Article 30 November 2021
  11. Estimating the Toxicity and Biological Availability for Interaction Products of Metallic Iron and Humic Substances

    Abstract

    This article considers the influence that suspensions of nanoparticles (sized from 10 to 60 nm) of iron oxo-compounds in different oxidation...

    M. M. Anuchina, D. A. Pankratov, ... I. V. Perminova in Moscow University Soil Science Bulletin
    Article 01 December 2019
  12. Analysis of Molecular Mechanisms Underlying the Transformation of Compost Organic Waste Using a Combination of Electrophoresis, Size-Exclusion Chromatography, and Absorption Spectroscopy

    Abstract

    The humin-like substances of compost at the beginning of transformation and after 130 days were studied using a set of analytical methods,...

    O. A. Trubetskoy, O. E. Trubetskaya in Eurasian Soil Science
    Article 01 August 2022
  13. Microbial degradation of various types of dissolved organic matter in aquatic ecosystems and its influencing factors

    Interactions between chemodiverse dissolved organic matter (DOM) and biodiverse microbes are governed by a myriad of intrinsic and extrinsic factors...

    Meilian Chen, ** Hur, ... Youhei Yamashita in Science China Earth Sciences
    Article 04 January 2023
  14. Organic complexation of copper in Japanese estuarine waters using reverse titration method

    Organic complexation of Cu in estuarine waters in Japan was investigated using reverse titration competitive ligand exchange-adsorptive cathodic...

    Wiwit, Kuo Hong Wong, ... Hajime Obata in Journal of Oceanography
    Article 26 December 2022
  15. Speciation of Actinides in the Environment

    The paper presents the data on the radionuclide disposition speciation and estimates their migration dynamics using the East-Urals Radioactive Trace...
    A. P. Novikov, T. A. Goryachenkova, ... I. Yu. Myasnikov in Advances in Geochemistry, Analytical Chemistry, and Planetary Sciences
    Chapter 2023
  16. Influence of Diverse Urban Pressures on Water Characteristics in a Small Eastern Mediterranean Watershed

    This work focuses on the characterization of a typical coastal karst watershed by addressing its physico-chemical parameters. The concentrations of...

    E. Maatouk, A. El Samrani, ... Z. Matar in Aquatic Geochemistry
    Article 17 June 2022
  17. Origin of hydrocarbon fluids and discussion of abnormal carbon isotopic compositions in the Lishui-Jiaojiang Sag, East China Sea Shelf Basin

    The hydrocarbon gases in the L1 gas field of the Lishui-Jiaojiang Sag have been commonly interpreted to be an accumulation of pure sapropelic-type...

    Article 01 March 2023
  18. Geochemical characteristics of source rocks and natural gas in Fudong area, Junggar Basin: implications for the genesis of natural gas

    The research on geochemical characteristics of natural gas is helpful to gas source correlation and promote natural gas exploration. However, the...

    Kun Xu, Shijia Chen, ... Chen Li in Arabian Journal of Geosciences
    Article 15 March 2022
  19. Fluorine and Iodine in Soils of the Kulunda Plain

    Abstract

    The content and distribution of fluorine (F) and iodine (I) have been studied by the example of four soils on the terrace of Kuchuk Lake in...

    G. A. Konarbaeva, E. N. Smolentseva in Eurasian Soil Science
    Article 01 February 2023
  20. Optical properties of dissolved organic matter in throughfall and stemflow vary across tree species and season in a temperate headwater forest

    Tree-derived dissolved organic matter (DOM) comprises a significant carbon flux within forested watersheds. Few studies have assessed the optical...

    Kevin A. Ryan, Thomas Adler, ... Aron Stubbins in Biogeochemistry
    Article Open access 20 October 2022
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