Showing 1 - 20 results of 31 for search '"quartz"', query time: 0.05s Refine Results
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    Micro-characterization of Dust and Materials of Dust Origin at a Cement Industry Located in Bangladesh by Zerin Binte Alam, Kazi A. B. M. Mohiuddin

    Published 2022-10-01
    “…For instance, quartz was found in the dust of dust collectors while road dust of the CI showed the existence of both quartz and cristobalite. …”
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    MINERAL COMPOSITION OF HEAVY CONCENTRATES OF THE KAMENNAYA SANARKA GOLD PLACER (SOUTH URALS) by D.A. Rogov, M.A. Rassomakhin

    Published 2021-06-01
    “…On the basis of morphological and chemical features, native gold could probably be sourced from gold-(sulfide)-quartz veins in schists and gneisses, which compose the bedrock, as well as from quartz veins of the Kamennaya Sanarka granite pluton.…”
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    Crystal structure modulating performances for 213-nm GeO2 solar-blind photodetectors via DC reactive magnetron sputtering method by Chengming Wei, Jiabao Liu, Xinru Lan, Cheng Yang, Shuiping Huang, Dongdong Meng, Zhengwei Chen, Hongguang Duan, Xu Wang

    Published 2025-02-01
    “…Here, we have fabricated quartz and rutile-GeO2 thin films utilizing the magnetron sputtering based synthetic strategy, which exhibit ultra-wide bandgap energies of 5.51 and 5.88 eV. …”
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    POROUS FLY ASH-BASED GEOPOLYMER USABLE AS AN UNCONVENTIONAL CONSTRUCTION MATERIAL by BOGDAN-VALENTIN PAUNESCU, LUCIAN PAUNESCU, ENIKO VOLCEANOV

    Published 2024-01-01
    “…Other mixture components were expanded perlite as siliceous additive, usual fine aggregate (quartz sand), and less frequently used surfactant (olive oil). …”
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    Experimental study of the piezoelectricity of Middle Pleistocene loess in the Weibei region, China by Yanlin JING, Jie LIU, Qingying LIU, Xiaoxiao DUAN, Na XIE, Dengke YANG

    Published 2025-01-01
    “…ObjectiveQuartz, the piezoelectric material discovered the earliest, has found widespread applications in industry, military fields, and daily life due to its piezoelectricity. …”
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    Impact of rock mineralogy on reactive transport of CO2 during carbon sequestration in a saline aquifer by Mohamed Gamal Rezk, Ahmed Farid Ibrahim

    Published 2025-01-01
    “…The simulation results highlight the profound effects of different minerals on the CO2 trapping mechanisms. Quartz exhibits minimal dissolution, while calcite plays a crucial role, initially dissolving due to low pH and later precipitating after around 300 years. …”
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    ORE MINERALS OF THE BURANOVSKOE TUNGSTEN DEPOSIT (SOUTHERN URALS) by A.V. Kasatkin, A.M. Kuznetsov, N.A. Arzamastsev3

    Published 2022-09-01
    “…They occur as individual grains and intergrowths with each other or simple sulfides and form numerous inclusions in fahlores in quartz-scheelite veins. Among the oxidation products of fahlores, galena and tetradymite, we found rare supergene minerals – telluroperite and perite, which form a limited solid solution series, as well as choloalite and a Ag and Hg sulfide-iodide corresponding to hanauerite by its chemical composition. …”
    Article
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    Inorganic Geochemical Study of the Siliciclastic Sediments penetrated by Ash-3 Well in the Greater Ughelli Depobelt, Niger Delta Basin, Nigeria by K. Itiowe, B. Kpege, O.N. Ekone, O.J. Aliu

    Published 2021-11-01
    “…Using Herron’s plot for classification shows that the siliciclastic sediments were classified into Fe-shale, Fe-sand and quartz arenites fields. Roser and Korsch’s discriminant function diagrams for provenance signature and tectonic setting show quartzose sedimentary provenance and passive margin tectonic setting fields respectively. …”
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    The first experience of laser scalpel «LS-0,97» application at endoscopic ablation of rectal polyps by V. S. Rubtsov, Yu. V. Chalyk

    Published 2011-05-01
    “…The contact laser photocoagulation was applied in continuous mode using quartz monothread 600 microns in diameter. Totally 16 polyps of the rectum at 11 patients over 45 years old were removed by laser ablation.Results. …”
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    50 eV O+ ion induced deposition of tin dioxide using tetramethyltin by Satoru Yoshimura, Takae Takeuchi, Masato Kiuchi

    Published 2025-02-01
    “…The aim of the present study was to deposit tin oxide films on Si wafers or quartz crystal microbalance plates acting as substrates, using low-energy ion beams. …”
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    COARSE-CRYSTALLINE PYRITE OF CENTRAL TIMAN by R.I. Shaybekov, M.Yu. Sokerin, V.G. Kotelnikov, A.Yu. Lysyuk, G.V. Ignatyev, E.M. Tropnikov

    Published 2021-06-01
    “…It contains galena, thorite, zircon, monazite, rutile, chlorite, muscovite, quartz, albite, apatite and calcite inclusions. The unit cell parameter of pyrite vary from 5.4137 ± 0.0002 to 5.4187 ± 0.0010 Å and correspond to an ideal pyrite. …”
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    INFLUENCE OF PURIFICATION PROCESS ON THE CHARACTERISTICS OF ROMANIAN CALCIUM BENTONITE by ANA-MARIA GEORGESCU, FRANÇOISE NARDOU, DENISA NISTOR ILEANA

    Published 2016-03-01
    “…., Satu Mare has the following mineralogical composition: 57 % montmorillonite, 40 % cristobalite, and 3 % quartz. Due to the relatively high percentage of impurities in natural calcium bentonite, we decided to purify the raw material, in order to improve the quality of montmorillonite. …”
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    Fluorine-rich hydrogarnet, prehnite and pumpellyite in monzodioritic basement of the Rhine Rift Valley produced by in-situ low-grade metamorphism at 200 °C and 5 km depth by Kurt Bucher, Moritz Hofer, Florentin Ladner, Ingrid Stober

    Published 2025-02-01
    “…The recovered core material from 4.9 km depth shows coarse grained biotite-hornblende quartz-monzodiorite from the Variscan basement. The primary igneous rock is locally altered and contains prehnite, pumpellyite, mica and chlorite as major alteration products. …”
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    Investigation and evaluation of the efficiency of palm kernel oil extract for corrosion inhibition of brass artifacts by Mohamed M. Megahed, Eman AbdElRhiem, Wesam Atta, Nabil Abdel Ghany, Mohamed Abdelbar

    Published 2025-02-01
    “…The analyses confirmed the crescent was made of a brass alloy (Cu–Zn) and formed by hammering, with corrosion layers composed primarily of cuprite and clinoatacamite, covered by dust containing calcite and quartz. The corrosion protection efficiency of the PKO was evaluated using brass coupons, simulating the artifact of the alloy. …”
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    Volatile Organic Compounds (VOCs) Distribution from PCB Waste and Vitrification by Reacting with Flux Agents by Raynard Christianson Sanito, Sheng-Jie You, Hsi-Hsien Yang, Ya-Fen Wang

    Published 2022-03-01
    “…The resins to the flux agents — shell powder, limestone and quartz sand ratio of 50:50 and 25:75 gave the best results for the vitrification compared to the ratio of 75:25 and control (absence of flux agent). …”
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    KUKHARENKOITE-(Ce) AND ITS MINERAL ASSEMBLAGE IN PEGMATITES OF THE VISHNEVYE MOUNTAINS (SOUTH URALS) by V.I. Popova, M.A. Rassomakhin, V.A. Popov, A.M. Kuznetsov, S.M. Lebedeva

    Published 2021-09-01
    “…Kukharenkoite-(Ce) forms small inclusions up to 3–7 µm in anatase and quartz. Raman spectrum of the studied kukharenkoite-(Ce) is similar to spectrum no. …”
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    Micro-Characterization of Indoor Deposited Particles Using FTIR, SEM-EDS, and XRD Techniques: A Case Study of a University Campus, Bangladesh by Mamun Mahmud, Kazi ABM Mohiuddin

    Published 2024-03-01
    “…The average crystallinity of studied atmospheric particles was found to be a minimum of 27.3% at RH and a maximum of 64.5% at NAB sites and the corresponding crystalline size was 11.10 nm and 42.92 nm respectively. Quartz mineral in the inorganic fraction of atmospheric particles was found predominantly in every sample which most likely originates from soil erosion, construction activities and vehicular emissions. …”
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    Issues with the Organic and Elemental Carbon Fractions in Recent U.S. Chemical Speciation Network Data by Philip K. Hopke, Yunle Chen, David Q. Rich, John G. Watson, Judith C. Chow

    Published 2023-05-01
    “…Abstract The carbon fractions of organic (OC1, OC2, OC3, OC4, OP) and elemental (EC1, EC2, and EC3) carbon obtained from IMPROVE (Interagency Monitoring of PROtected Visual Environments) thermal/optical carbon analysis of quartz-fiber filters have been implemented to help distinguish spark-ignition engine exhaust particulate matter (PM) contributions from those of heavy-duty diesel exhaust. …”
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