Showing 901 - 920 results of 929 for search '"clay"', query time: 0.08s Refine Results
  1. 901

    Multifractal characteristics of pore structure in the terrestrial shale reservoirs of the Lianggaoshan formation in northeast sichuan basin and its geological significance by Jiping Wang, Jiping Wang, Hongmei Shao, Hongmei Shao, Yuanhao Zhang, Yuanhao Zhang, Zhenxue Jiang, Zhenxue Jiang, Bo Gao, Bo Gao, Lingling Li, Lingling Li, Huifang Pan, Huifang Pan, Haonan Wang, Haonan Wang, Xi Lu, Xi Lu, Hengyuan Qiu, Hengyuan Qiu, Xiaobiao He, Xiaobiao He, Chengju Zhang, Chengju Zhang

    Published 2025-02-01
    “…Lastly, the pore structure of massive fine-silt sandstone exhibits a high degree of complexity and heterogeneity, revealing the significant influence of quartz and clay mineral interactions on pore development. These findings advance the understanding of shale pore structure and its impact on hydrocarbon enrichment and recovery in the Lianggaoshan Formation, and offer valuable guidance for optimizing “sweet spot” selection. …”
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  2. 902

    Physicochemical Properties and Bioreactivity of Sub‐10 μm Geogenic Particles: Comparison of Volcanic Ash and Desert Dust by Ines Tomašek, Julia Eychenne, David E. Damby, Adrian J. Hornby, Manolis N. Romanias, Severine Moune, Gaëlle Uzu, Federica Schiavi, Maeva Dole, Emmanuel Gardès, Mickael Laumonier, Clara Gorce, Régine Minet‐Quinard, Julie Durif, Corinne Belville, Ousmane Traoré, Loïc Blanchon, Vincent Sapin

    Published 2025-01-01
    “…We found that Gobi Desert dust is more bioreactive than freshly erupted volcanic ash and Arizona test dust, which is possibly linked to the presence of microorganisms (bacteria) and/or nanoscale elongated silicate minerals (potentially clay such as illite or vermiculite) on particle surfaces.…”
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  3. 903

    Effects of landslide hazards on quality of stream water and sediments by O. Phewnil, T. Pattamapitoon, N. Semvimol, W. Wararam, K. Duangmal, A. Intaraksa, K. Chunkao, P. Maskulrath, S. Hanthayung, P. Wichittrakarn

    Published 2024-07-01
    “…This soil profile comprised clay loam and sandy loam textures and was situated over aged geological formations of granite and shale rocks. …”
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  4. 904

    Quais et ouvrages portuaires romains de Rouen/Rotomagus (Seine-Maritime) by Marie-Clotilde Lequoy

    Published 2020-12-01
    “…This structure presents a mixed external facing, made of medium and large limestone blocks, masoned with clay and sections of oak placed vertically about 1 m to 1.20 m apart from one another. …”
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  5. 905
  6. 906

    Les fours « à pain » dans les Gaules et les Germanies (ve s. av. J.-C.-ve s. apr. J.-C.), un regard technique by Nicolas Monteix, Camille Noûs

    Published 2021-12-01
    “…While the shape of the dome makes the oven energy-intensive, other features help to improve its energy capacity, such as a basalt ring at the base of the dome and a sole built of baked clay on a thick layer of sand. Subsequently, the different variations observed in the construction techniques of dome ovens are presented. …”
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  7. 907

    Petrogenesis of Intrusive body in Northeast of Joveinan, North of Isfahan, Urumieh- Dokhtar magmatic zone by Shahzad Sherafat, Majid Zeidi, Mahnaz Khodami

    Published 2024-10-01
    “…The main minerals of the rocks include plagioclase, clinopyroxene, hornblende, biotite, opaque minerals, minor quartz, sphene, apatite, and zircon, and secondary minerals including calcite, clay minerals, sericite, and chlorite. The igneous rocks exhibit a composition range of amounts of SiO2 (53.18-59.46 wt.%), Al2O3 (15.27-16.14 wt.%), Na2O (2.79-5.76 wt.%), K2O (1.42-2.56 wt.%) and variable concentrations of Fe2O3* (7.61-11.13 wt.%), MgO (2.92-3.87 wt.%), CaO (5.15-7.80 wt.%) and LOI (1.4-2.7 wt.%). …”
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  8. 908

    Glazed Pottery Throughout the Middle and Modern Ages in Northern Spain by Ainhoa Alonso-Olazabal, Juan Antonio Quirós Castillo, Maria Cruz Zuluaga, Luis Ángel Ortega

    Published 2025-01-01
    “…Some correlation are identified between the use of specific clays to produce different glaze colours. White opaque glazes are applied to calcium-rich clays. …”
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  9. 909

    Enhancing undrained shear strength prediction: a robust hybrid machine learning approach with naïve Bayes modeling by Chen Fang, Ying Li, Yang Shi

    Published 2025-02-01
    “…Abstract In geotechnical engineering, it is crucial to make sure that the undrained shear strength (USS) of soft, sensitive clays is accurately assessed. The accuracy in forecasting USS is pivotal for ensuring the structural integrity and stability of foundations and earthworks. …”
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  10. 910

    Properties of the Loess Sediments in Ostrava Region (Czech Republic) and Comparison with Some Other Loess Sediments by Marian Marschalko, Işık Yilmaz, Lucie Fojtova, David Lamich, Martin Bednarik

    Published 2013-01-01
    “…Comparing other loess sediment studies worldwide it was discovered that the physical properties of the most abundant clays of low to medium plasticity, sandy clays, and sands as foundation soils vary as for the plasticity index, porosity, natural water content, and bulk density to a certain extent but not as significantly as once expected.…”
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  11. 911

    Industrial Wastes as Auxiliary Additives to Cement/Lime Stabilization of Soils by Jijo James, P. Kasinatha Pandian

    Published 2016-01-01
    “…Lime stabilization is the most preferred method for plastic clays; however, it proves to be ineffective in sulphate rich clays and performs poorly under extreme conditions. …”
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  12. 912

    Naturally Occurring Radionuclides in Agricultural Products by Edward A. Hanlon

    Published 2023-01-01
    “… This document is a summary of research with the naturally occurring radionuclides in agricultural products associated with phosphatic clays in Florida. This document is SL221, a fact sheet of the Soil and Water Science Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. …”
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  13. 913

    Synthesis and Anticancer Activity of Some New Derivatives of Coumarin and Quinolinyl Mercaptotriazoles by Mona A. Hosny, Hyam A. Radwan, Emtithal A. El-Sawi

    Published 2012-01-01
    “…Pechmann condensation of ethylacetoacetate with derivatives of phenol by heating in absence of solvent and with montmorillonite clays K-10 afforded coumarin derivatives (1a-e) in good yields which on reaction with thiosemicarbazide in anhydrous pyridine yielded coumarin-quinolinyl mercaptotriazole (2a-e). …”
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  14. 914

    Soil Creep Effect on Time-Dependent Deformation of Deep Braced Excavation by Panpan Guo, Gang Lei, Lina Luo, Xiaonan Gong, Yixian Wang, Baojian Li, Xunjian Hu, Haibo Hu

    Published 2022-01-01
    “…The observational method is more applicable for deep braced excavations in soft clays constructed using the top-down method. The plain-strain numerical simulation method can be conveniently used for parametric analysis, but it is unable to capture the spatial characteristics of soil creep effect on lateral wall deflections and ground movements. …”
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  15. 915

    Recent Progress of Imprinted Nanomaterials in Analytical Chemistry by Rüstem Keçili, Chaudhery Mustansar Hussain

    Published 2018-01-01
    “…In addition, MIPs can be prepared as composite nanomaterials using nanoparticles, multiwalled carbon nanotubes (MWCNTs), nanorods, quantum dots (QDs), graphene, and clays. This review paper aims to demonstrate and highlight the recent progress of the applications of imprinted nanocomposite materials in analytical chemistry.…”
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  16. 916

    Transparent Celadon with Phase-Separated Structure: Study on the Technological Characteristics and Coloring Mechanism of Celadons from the Lieshan Kiln by Qijiang Li, Jingyun Wang, Chao Chen, Tao Fang, Chenyi Gao, Jinwei Li

    Published 2025-01-01
    “…Celadon bodies from both periods were crafted from local sedimentary clays in a single-ingredient formula, with the Jin Dynasty refining the preparation, leading to enhanced density and higher firing temperatures compared to the Northern Song Dynasty. …”
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  17. 917

    Thermal stability changing caused by chromium (iii) in the carbonated magnesium-aluminum hydrotalcite by Nayara Bach Franco de Aquino, Daniel Branco de Morais, Andriélli Corrêa de Aquino, Graciele Vieira Barbosa, Alberto Adriano Cavalheiro

    Published 2020-12-01
    “… There are several purposes for investigating hydrotalcite clays and one of them is due to its importance as an anionic adsorbent and ion exchanger, which make them capable of removing various pollutants from water. …”
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  18. 918

    “Isso vai ser um caos!”: distopia e autoritarismo em Namíbia, não!* by Anderson de Figueiredo Matias

    Published 2022-01-01
    “…Para eso, utiliza contribuciones de intelectuales como Grada Kilomba, en Memórias da Plantação: episódios de racismo cotidiano (2019), de Abdias do Nascimento, en Teatro Experimental do Negro: trajetória e reflexões (2004), de Leda Maria Martins, en Como respirar? (2020) y de Gregory Clayes, en Dystopia: A Natural History. A study of modern despotism, its antecedents, and its literary diffractions (2017).…”
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  19. 919

    Recent Advances and Future Prospects of Lithium Recovery from Low-Grade Lithium Resources: A Review by Jihan Gu, Binjun Liang, Xianping Luo, Xin Zhang, Weiquan Yuan, Bin Xiao, Xuekun Tang

    Published 2024-12-01
    “…This article focuses on low-grade lithium sources such as clays, brines, coal, and coal by-products, and analyzes the principles, advantages, and limitations of key extraction techniques, including acid-alkaline leaching, bioleaching, adsorption, and membrane separation. …”
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  20. 920

    Effect of MMT-HNT Hybrid Nanoclay on Properties of UHMWPE Composite by Rania Hasan, Sarang Pande, Pravin Bhalerao, Sachin Salunkhe, Robert Cep, Emad Abouel Nasr

    Published 2024-01-01
    “…Due to the increasing demand for artificial joint implants, two types of clays, montmorillonite (MMT) and halloysite nanotube (HNT), have been used either in combination as hybrid additives to reinforce the properties of the widely used polymer in the biomedical field (ultra-high molecular weight polyethylene (UHMWPE)). …”
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