Showing 301 - 319 results of 319 for search '"mineralogy"', query time: 0.07s Refine Results
  1. 301

    Experimental study on the engineering characteristics of expansive soil improved conjointly using enzyme induced carbonate precipitation and eggshell powder by Mudassir Mehmood, Yuancheng Guo, Yunlong Liu, Lei Wang, Wen Nie, Bantayehu Uba Uge, Sharafat Ali, Chen Xuanyu, Yingao Zhao

    Published 2025-02-01
    “…The XRD analysis unveils distinct mineralogical changes, predominantly characterized by enhanced calcite formation and a refined microstructural composition. …”
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    Article
  2. 302

    An Improved Predictive Model for Determining the Permeability Coefficient of Artificial Clayey Soil Based on Double T2 Cut-Offs by Zhen Lu, Aimin Sha, Junfeng Gao, Meng Jia, Wentong Wang

    Published 2020-01-01
    “…To establish a simple and accurate predictive method to obtain the permeability coefficient of artificial clayey soil based on the double cut-off transverse relaxation times (T2 cut-offs) using low-field nuclear magnetic resonance (NMR) technology, eight kinds of artificial clayey soil with different mineralogical compositions were prepared in the laboratory. …”
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  3. 303

    Caracterización de un material compuesto por suelo arenoso, ceniza de cáscara de arroz y cal potencialmente útil para su uso en pavimentación Characterization of a material compris... by Leonardo Behak, Washington Peres Núñez

    Published 2008-04-01
    “…An analysis of the influence of different mixtures of soil with RHA and lime in the mineralogical composition by x-ray difractograms, optimum compaction parameters, CBR, unconfined compression and split tensile strength and durability is made…”
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  4. 304

    Late Glacial and Holocene Paleoenvironmental Reconstruction of the Submerged Karst Basin Pirovac Bay on the Eastern Adriatic Coast by Nikolina Ilijanić, Dea Brunović, Slobodan Miko, Valentina Hajek Tadesse, Ozren Hasan, Ivan Razum, Martina Šparica Miko, Saša Mesić

    Published 2025-01-01
    “…A long sedimentary sequence (7.45 m) supplemented by a shorter sediment core (1.45 m) from a shallower part of the bay was analyzed for sedimentological, mineralogical, geochemical, and micropaleontological (ostracod) parameters. …”
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    Article
  5. 305

    Impact of Saharan dust on particulate matter characteristics in an urban and a natural locality in Central Europe by Jan Loskot, Daniel Jezbera, Martina Nalezinková, Adéla Holubová Šmejkalová, Danilo Fernandes, Jan Komárek

    Published 2024-12-01
    “…Further, X-ray diffraction analysis was carried out to reveal the mineralogical composition of the collected dust. Surprisingly, the particle size distribution was not significantly affected by the windblown Saharan dust, but its dependency on the sampling locality was revealed. …”
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  6. 306

    Development of binder based on phosphogypsum hardening by mixed type by T. А. Bakhtina, N. V. Lyubomirskiy, A. S. Bakhtin, G. R. Bilenko, I. A. Tyunyukov

    Published 2024-08-01
    “…Hydrated lime for research was obtained by slaking lump lime produced in shaft furnaces of the lime workshop of Crimean Soda Plant JSC, Krasnoperekopsk. Analysis of the mineralogical composition of phosphogypsum and artificial stone based on it was carried out using synchronous TG-DTA/DSC thermal analysis on an STA 8000 analyzer (Perkin Elmer). …”
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  7. 307

    The Effect of Aggregate-Forming Minerals on Thermodynamic Parameters Using Surface Free Energy Concept and Its Relationship with the Moisture Susceptibility of Asphalt Mixtures by Gholam Hossein Hamedi, Mohammad Reza Esmaeeli, Vahid Najafi Moghaddam Gilani, Seyed Mohsen Hosseinian

    Published 2021-01-01
    “…Therefore, the surface free energy (SFE) method, as one of the thermodynamic methods, and indirect tensile strength test (ITST) have been used to determine the failure mechanism and the rate of change of adhesion properties of asphalt mixtures under the influence of mineralogical characteristics. Prior to the above tests, an X-ray fluorescence spectrometry (XRF) test was performed to identify aggregate-forming minerals in eight different types of aggregates with various minerals from eight mines, and also the apparent bitumen film thickness was measured. …”
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  8. 308

    Life cycle assessment for calcination process of flue gas desulfurization gypsum and transformation into β-CaSO4·0.5H2O by Payal Bakshi, Asokan Pappu, Dhiraj Kumar Bharti

    Published 2025-03-01
    “…Effect of calcination on particle size distribution of FGD gypsum is studied along with mineralogical, compositional and morphological analysis by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and field emission scanning electron microscopy-energy dispersive spectroscopy (FESEM-EDS), respectively. …”
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  9. 309

    Petrological controls on the engineering properties of carbonate aggregates through a machine learning approach by Javid Hussain, Tehseen Zafar, Xiaodong Fu, Nafees Ali, Jian Chen, Fabrizio Frontalini, Jabir Hussain, Xiao Lina, George Kontakiotis, Olga Koumoutsakou

    Published 2024-12-01
    “…The engineering characteristics encompassed Los Angeles abrasion value, aggregate crushing value, aggregate impact value, specific gravity, water absorption, and unconfined compressive strength, whereas petrographic examination of thin sections quantified the mineralogical composition. Statistical methods and machine learning models have been applied to elucidate the relationships between the petrographic and engineering features of the aggregates and establish potential predictive capability. …”
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    Article
  10. 310

    Evaluating the reinforcements efficiency of sawdust and corncob wastes in structural concrete: A comprehensive review by Abiodun Kilani, Ademilade Olubambi, Bolanle Ikotun, Oladipupo Oladejo, Babatunde Famodu

    Published 2023-07-01
    “…From the X–ray result, quartz (SiO2) shows an essential and main mineralogical content of CCA. The concrete’s rate of water absorption increased by 74% with the inclusion of SD. …”
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    Article
  11. 311

    Geology of the Tabakoto gold deposit, Kédougou-Kéniéba Inlier, West African Craton, Mali by Diallo Mahamadou, Salvi Stefano, Baratoux Lenka, Béziat Didier, Vanderhaeghe Olivier, Labou Ibrahima, Baratoux David, Ly Saïdou

    Published 2024-01-01
    “…The litho-structural and mineralogical features of the Tabakoto deposit portray a polyphase mineralization with (i) an intrusion-hosted orogenic gold system, where the metabasltic to metarhyolitic dikes acted as suitable emplacement for fluids flow and (ii) a hydrothermal fluid circulation under ductile to brittle conditions.…”
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  12. 312

    Gaps in our understanding of ice-nucleating particle sources exposed by global simulation of the UK Earth System Model by R. J. Herbert, A. Sanchez-Marroquin, A. Sanchez-Marroquin, D. P. Grosvenor, D. P. Grosvenor, K. J. Pringle, S. R. Arnold, B. J. Murray, K. S. Carslaw

    Published 2025-01-01
    “…We find that the ability of the model to reproduce measured INP concentrations is greatly improved by representing dust as a mixture of mineralogical and organic ice-nucleating components, as present in many soils. …”
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  13. 313

    Sorption and diffusion studies of radiocesium in soil samples from Ibu Kota Nusantara region of Indonesia by Hana Fikrinabilah Dely Supratman, Hendra Adhi Pratama, Budi Setiawan, Mochamad Adhiraga Pratama, Sucipta Sucipta, Sitti Hijraini Nur, Nurul Efri Ekaningrum, Gustri Nurliati, Moh. Cecep Cepi Hikmat, Andry Setiawan, Niken Siwi Pamungkas, Zico Pratama Putra, Muhammad Yusuf

    Published 2025-01-01
    “…To achieve this, radio-Cs apparent diffusion (Da) and distribution (Kd) coefficients were determined for each soil sample. Mineralogical revealed distinct characteristics among the samples, with the E sample having the highest clay content of 46.18 %, followed by HA (36.27 %) and M (23.69 %). …”
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  14. 314

    Source and Ecological Risk Assessment of Potentially Toxic Metals in Urban Riverine Sediments Using Multivariate Analytical and Statistical Tools by Xiaojun Zheng, Abdul Rehman, Shan Zhong, Shah Faisal, Muhammad Mahroz Hussain, Syeda Urooj Fatima, Daolin Du

    Published 2024-12-01
    “…Additionally, techniques such as X-ray Diffraction (XRD) and Scanning Electron Microscopy–Energy Dispersive X-ray Spectroscopy (SEM-EDS) were employed to investigate the mineralogical and morphological aspects. The results indicated that mean concentrations (mg kg<sup>−1</sup>) of Cd (2.37), Cr (128), Hg (16.6), Pb (26.6), and Sb (2.44) were significantly higher than reference values given for upper continental crust (UCC) and world soil average (WSA), posing potential threats. …”
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  15. 315

    Compaction of Hyaloclastite from the Active Geothermal System at Krafla Volcano, Iceland by Guðjón H. Eggertsson, Jackie E. Kendrick, Joshua Weaver, Paul A. Wallace, James E. P. Utley, John D. Bedford, Michael J. Allen, Sigurður H. Markússon, Richard H. Worden, Daniel R. Faulkner, Yan Lavallée

    Published 2020-01-01
    “…Thus, we conclude that compaction upon burial alone is insufficient to explain the physical and mechanical properties of the subsurface hyaloclastites present in the reservoir at Krafla volcano. Mineralogical alteration, quantified using SEM-EDS, is invoked to explain the further reduction of porosity and increase in strength of the hyaloclastite in the active geothermal system at Krafla.…”
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  16. 316

    Diagenetic Modifications and Reservoir Heterogeneity Associated with Magmatic Intrusions in the Devonian Khyber Limestone, Peshawar Basin, NW Pakistan by Mumtaz M. Shah, Saifullah Afridi, Emad U. Khan, Hamad Ur Rahim, Muhammad R. Mustafa

    Published 2021-01-01
    “…Field observations, petrographic studies, mineralogical analyses, porosity-permeability data, and computed tomography were used to better understand the diagenetic history and petrophysical property evolution. …”
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    Article
  17. 317

    Performance evaluation of waste glass in soil improvement: Influence of particle size of waste glass on mechanical, microstructural, and durability characteristics by Harun Akoğuz

    Published 2025-07-01
    “…Subsequently, the effect of WG grain sizes on micromorphology characteristics and mineralogical phases was evaluated before and after the treatment through X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and ultrasonic pulse velocity (UPV). …”
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  18. 318

    Influencia de la adición de carbonato de calcio en la eficiencia energética de la producción de ladrillos de cerámica roja The influence of the addition of calcium carbonate on the... by Dania Betancourt, Fernando Martirena, Robert Day, Yosvany Diaz

    Published 2007-12-01
    “…This effect would be caused by modifications of the mineralogical transformations through which clay minerals undergo in the presence of calcite. which reduces sintering temperature in clays containing mainly montmorillonite. …”
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  19. 319

    Petrology of Oligocene Lalehzar igneous rocks in the southeast of Saveh-Naein-Jiroft magmatic belt by Fatemeh Sepidbar, Bahareh Borouzi Niyat

    Published 2024-12-01
    “…Research method About 100 samples were sampled from namerous Lalehzar intrusive and volcanic outcrops Afterward, 50 granitoid and volcanic rocks were selected for mineralogical studies. 12 samples of volcanic and granitoid rocks that had little alteration were selected for major and minor elements analyzes. …”
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