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  1. 601
  2. 602

    تأثیر میکرو و نانوذرات دی اکسید سیلیسیم (SiO2) روی برخی ویژگی های کیفی و عناصر غذایی میوه توت فرنگی (Fragaria ananassa Duch.) by رحمان یوسفی, محمود اثنی عشری

    Published 2016-10-01
    “…بر اساس نتایج به دست آمده، کاربرد دی اکسید سیلیسیم (SiO2) طی مرحله رشد گیاه به خصوص در مقیاس نانو باعث افزایش اکثر عناصر غذایی و بهبود کیفی میوه توت فرنگی گردید. …”
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  3. 603

    Preparation and ablation behavior of solid solution ceramic Ta0·2Zr0·8C–SiC matrix-modified C/C composites under high heat flux by Yuanming Zhou, Zhenxiao Tang, Ruizhi Liu, Zhe Zhou, Maozhong Yi, Ke Peng

    Published 2025-03-01
    “…The comparative samples of C/C–ZrC–SiC and C/C–TaC–SiC were also prepared using these same technologies. …”
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    Article
  4. 604
  5. 605

    Combined Experimental and CFD Investigation of the Parabolic Shaped Solar Collector Utilizing Nanofluid (CuO-H2O and SiO2-H2O) as a Working Fluid by Ketan Ajay, Lal Kundan

    Published 2016-01-01
    “…Different types of nanomaterials used are SiO2 and CuO of 20 nm average size. Nanofluids of SiO2-H2O (DI) and CuO-H2O (DI) of 0.01% volume concentration are used. …”
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    Article
  6. 606
  7. 607

    The crystal structure of [N-{[2-(oxy)-4-methoxyphenyl](phenyl)methylidene}alaninato]-diphenyl-silicon(IV) – chloroform (1/1), C29H25NO4Si·CHCl3 by Böhme Uwe, Fels Sabine

    Published 2023-08-01
    “…C29H25NO4Si·CHCl3, monoclinic, P21/c (no. 14), a = 17.1316(8) Å, b = 10.1173(3) Å, c = 18.2252(8) Å, β = 117.195(3)° $117.195(3){}^{\circ}$ , V = 2809.7(2) Å3, Z = 4, R gt(F) = 0.0431, wR ref(F 2) = 0.1050, T = 153 K.…”
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  8. 608
  9. 609
  10. 610

    Evolution of the Radiation Shielding, Optical, and Luminescence Properties of PbO<sub>2</sub>-SiO<sub>2</sub> Glass Systems and the Influence of Rare Earth Elements (Eu, Ce, Yb) by Mioara Zagrai, Ramona-Crina Suciu, Radu Cristian Gavrea, Vasile Rednic

    Published 2025-01-01
    “…Four glass systems were analyzed: PbO<sub>2</sub>-SiO<sub>2</sub> (PS), PbO<sub>2</sub>-SiO<sub>2</sub>-CeO<sub>2</sub> (PSC), PbO<sub>2</sub>-SiO<sub>2</sub>-Eu<sub>2</sub>O<sub>3</sub> (PSE), and PbO<sub>2</sub>-SiO<sub>2</sub>-Yb<sub>2</sub>O<sub>3</sub> (PSY). …”
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  11. 611
  12. 612

    Impact of Ag2O on physical and electrical properties of Li2O-MgO-Bi2O3-SiO2 glass system as promising solid state electrolytes by Hany A. Abo-Mosallam, Samia E. Ibrahim

    Published 2025-02-01
    “…Abstract The intrinsic aim of this work is to understand the influence of composition change on the physical-electrical parameters of glasses with the composition (20-Y) Li2O-YAg2O–20MgO–10Bi2O3-50SiO2 (Y = 0.25, 0.5, 1.0, 2.0 and 4.0 mol%). The results of the physical parameters indicate a growth in the strength of the glass structure with the increase replacement of Li2O by Ag2O. …”
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  13. 613

    Design and fabrication of (Hf0.25Zr0.25Ta0.25Nb0.25)C–SiC ceramics with improved microwave absorbing properties via PDC route by Bin Du, Saidi Wang, Linwei Guo, Yimin Ouyang, Hanwei Cheng, Yajuan Cheng, Tao Zhang

    Published 2025-01-01
    “…In this study, (Hf0.25Zr0.25Ta0.25Nb0.25)C–SiC (HEC–SiC) biphasic ceramic powders were synthesized via a single-source-precursor route. …”
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  14. 614
  15. 615

    One-Pot Synthesis, X-Ray Diffraction and MAS NMR Spectroscopic Study of Gallosilicate Nitrate Cancrinite Na8[GaSiO4]6(NO3)4(H2O)6 by Ashok V. Borhade, Sanjay G. Wakchaure

    Published 2010-01-01
    “…The results by MAS NMR spectroscopy confirmed the alternating Si, Ga ordering of the gallosilicate framework for a Si/Ga ratio of 1.0. …”
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  16. 616

    Synthesis of the Magnetically Nanoporous Organic Polymer Fe3O4@SiO2-NH2-COP and Its Application in the Determination of Sulfonamide Residues in Surface Water Surrounding a Cattle Farm by Yuqin Yang, Junjie Miao, Zhendong Yin, Weili Hao, Hongmei Shi, Ling Ma, Tiesheng Shi

    Published 2022-01-01
    “…A new nanoporous material, namely, magnetically covalent organic polymer (MCOP, Fe3O4@SiO2-NH2-COP) was synthesized in this work and was used for magnetic solid-phase extraction (MSPE). …”
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  17. 617

    H4SiW12O40 Catalyzed One-Pot Synthesis of 12-Aryl-8,9,10,12-tetrahydrobenzo[a] Xanthen-11-ones Under Solvent-Free Conditions by A. Hassankhani, E. Mosaddegh, S. Y. Ebrahimipour

    Published 2012-01-01
    “…An efficient and environmentally benign protocol for the one-pot, three-component synthesis of 12-aryl-8,9,10,12-tetrahydro-benzo[a]xanthen-11-one derivatives by condensation of aryl aldehydes, 2-naphthol and dimedone using H4SiW12O40 (SiWA) as a reusable catalyst with high catalytic activity was reported. …”
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    Article
  18. 618

    Er<sup>3+</sup>,Yb<sup>3+</sup>:YGdSiO<sub>5</sub> Crystal as Gain Media for Lasers Emitting in the Spectral Range of 1.5–1.6 µm by K. N. Gorbachenya, A. S. Yasukevich, V. E. Kisel, N. A. Tolstik, A. A. Tarachenko, V. I. Homan, L. K. Pavlovskiy, V. A. Orlovich, E. A. Volkova, V. O. Yapaskurt, N. V. Kuleshov

    Published 2022-04-01
    “…By this reason the search for new crystalline hosts doped with erbium ions is the actual task.In this article the investigation results of spectroscopic properties of Er3+,Yb3+:YGdSiO5 (YGSO) crystals are reported. Polarized absorption and luminescence spectra were measured. …”
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  19. 619

    Effect of Number of Various-Type Acid Sites Located on 20 % Co/ZrO2 • SiO2 Sample Surface on Parameters of Catalytic Process in Synthesis of High-Octane Motor Fuel Components by A. P. Nesenchouk, A. V. Sednin, O. F. Kraetskaya, L. M. Sliapniova

    Published 2011-10-01
    “…The paper considers an effect of ZrO2 content in 20%Co/xZrO2∙(100 – x)SiO2 (x = 0, 10, 15, 25, 30, 40 and 100 mass percent) catalyst carriers on their catalytic properties. …”
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  20. 620

    Positively charged polysilsesquioxane/iodide lonic liquid as a quasi solid-state redox electrolyte for dye-sensitized photo electrochemical cells: infrared, <mml:math alttext="$^{{ext{29}}} {ext{Si}}$"> <mml:mrow> <mml:msup> <mml:mi></mml:mi> <mml:mrow> <mml:mtext>29</mml:mtext> </mml:mrow> </mml:msup> <mml:mtext>Si</mml:mtext> </mml:mrow> </mml:math> NMR, and electrical studies

    Published 2006-01-01
    “…MTMSPI<mml:math alttext="$^+I^-$"> <mml:mrow> <mml:msup> <mml:mi></mml:mi> <mml:mtext>+</mml:mtext> </mml:msup> <mml:msup> <mml:mtext>I</mml:mtext> <mml:mo>&#x2212;</mml:mo> </mml:msup> </mml:mrow> </mml:math> was hydrolyzed with acidified water and the reaction products of the sol-gel condensation reactions assessed with the help of <mml:math alttext="$^{{ext{29}}} {ext{Si}}$"> <mml:mrow> <mml:msup> <mml:mi></mml:mi> <mml:mrow> <mml:mtext>29</mml:mtext> </mml:mrow> </mml:msup> <mml:mtext>Si</mml:mtext> </mml:mrow> </mml:math> NMR and infrared spectroscopic techniques. …”
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