Showing 3,041 - 3,060 results of 4,095 for search '"spectroscopy"', query time: 0.06s Refine Results
  1. 3041

    Enhanced Visible Light Photocatalytic Activity of Mesoporous Anatase TiO2 Codoped with Nitrogen and Chlorine by Xiuwen Cheng, Xiujuan Yu, Zipeng Xing, Lisha Yang

    Published 2012-01-01
    “…The resulting materials were characterized by X-ray diffraction (XRD), transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), and ultraviolet-visible diffuse reflection spectrum (UV-vis DRS). …”
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    Article
  2. 3042
  3. 3043

    The Transformation and Leachability of Fly Ash/Cement Waste Forms Subjected to the Simultaneous Effect of Heat and Chemistry by Zhao Zheng, Hua Wen, Yuxiang Li, Min Qin, Yao Wang

    Published 2022-01-01
    “…This study researched the transformation of products, pore structure as well as the leachability of Ca2+, Na+, and simulated radioactive nuclides (Sr2+ and Cs+) in fly ash/cement waste forms under simultaneous effect through X-ray diffractometer (XRD), mercury intrusion porosimetry (MIP), and inductively coupled plasma optical emission spectroscopy (ICP-OES). Furthermore, the relationship between the decalcification and the leaching of Sr2+ and Cs+ was established by the fitting curves of apparent diffusion coefficient. …”
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  4. 3044

    Effects of Changes in Colored Light on Brain and Calf Muscle Blood Concentration and Oxygenation by J. Weinzirl, M. Wolf, P. Heusser, M. Nelle, U. Wolf

    Published 2011-01-01
    “…Twelve healthy volunteers (six male, six female) were measured twice on two different days by near-infrared spectroscopy during exposure to colored light. Two sequences of colored light were applied in a controlled, randomized, crossover design: first blue, then red, and vice versa. …”
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    Article
  5. 3045

    Regenerative and Innovative Utilization of Coffee Residue and Waste Cooking Oil: Improving Rheological Properties of Recycled Asphalt by Ruipeng Zhu, Chunhua Hu

    Published 2024-12-01
    “…The recycled asphalt (RA) was analyzed through conventional indexes, microscopic characteristics, and rheological properties using penetration and softening point tests, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and a dynamic shear rheometer (DSR). …”
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    Article
  6. 3046

    Development and multifunctional investigation of reduced graphene oxide decorated MgO hybrid nanocomposite by M. Mylarappa, S. Chandruvasan, K.N. Shravana Kumara, G. Krishnamurthy, A.S. Santhosh Kumar

    Published 2025-06-01
    “…Here, XRD (X-ray Diffraction), XPS (X-ray photoelectron spectroscopy), SEM (Scanning electron microscopy), EDAX (Energy dispersive X-ray analysis) and Raman spectra were employed to confirm the sample. …”
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    Article
  7. 3047

    Preparation of Magnetic Composite Polyaniline/Fe3O4−Hydrotalcite and Performance in Removal of Methyl Orange by Thi Tuong An Tran, Huynh Thanh Linh Duong, Thi Thuy Phuong Pham, Tri Nguyen, Thi Dung Nguyen, Boi An Tran

    Published 2021-01-01
    “…The structure and properties of Pan/MHT were characterized by Fourier-transform infrared spectroscopy, scanning electron microscopy, X-ray diffraction, vibrating sample magnetometer, and Brunauer-Emmett-Teller adsorption isotherm. …”
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    Article
  8. 3048

    Thermocatalytic pyrolysis of low-value waste biomass: Thermal decomposition, kinetics behaviour, and biochar characterization by Ranjeet Kumar Mishra, Sampath Chinnam, Abhishek Sharma

    Published 2025-03-01
    “…Additionally, CaO incorporation increased biochar bulk density but reduced its higher heating value (HHV) due to changes in elemental composition. Finally, Raman spectroscopy indicated a decline in graphitic content with the addition of CaO.…”
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  9. 3049

    Study of the mechanism of high-efficient in-situ SO2 fixation during oxidative roasting of high‑sulfur iron ores and DFT calculation by Xiaojiao Chen, Yuming Ren, Wenjun Gao, Na Zhao

    Published 2025-03-01
    “…Finally, the sulfur-fixation mechanism was analyzed in depth by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) tests in terms of phase composition, crystal structure and surface morphology. …”
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    Article
  10. 3050

    Additively manufactured 316L stainless steel as a potential alternative implant material by M.S. Alam, S.R. Campbell, S.R. Spivey, G. Dutta, N. Pal, A. Karan, J. Xie, M.A. DeCoster, E.P. Murray

    Published 2025-01-01
    “…Electrochemical impedance spectroscopy and potentiodynamic polarization measurements indicated samples fabricated at 800 mm/s developed a more compact and thicker passive oxide film resulting in greater corrosion resistance, relative to samples prepared at the higher laser scan speeds. …”
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    Article
  11. 3051

    Carbon Nanosphere-Based TiO<sub>2</sub> Double Inverse Opals by Dániel Attila Karajz, Kincső Virág Rottenbacher, Klára Hernádi, Imre Miklós Szilágyi

    Published 2025-01-01
    “…Reflectance mode UV–visible spectroscopy showed that most IOs had photonic properties, i.e., a photonic band gap, and by the “slow” photon effect enhanced absorbance, except the 326 nm IO, even though it also had an increase in absorbance. …”
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  12. 3052

    Effect of temperature control on tribological and corrosion properties of copper in cathodic cage plasma nitriding by Muhammad Bilal Khalid, Syed Salman Hussain, Ameeq Farooq, Muhammad Shafiq, Yasin Khan, Muhammad Shoaib

    Published 2025-01-01
    “…The treated samples were investigated using a micro-hardness tester, x-ray diffraction, scanning electron microscopy, energy-dispersive x-ray spectroscopy, ball-on-disc wear tester, and potentiodynamic polarization. …”
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    Article
  13. 3053

    Study on the Photodegradation Stability of Poly(butylene Succinate-co-butylene Adipate)/TiO2 Nanocomposites by Lihai Cai, Zhiguo Qi, Jun Xu, Baohua Guo, Zhongyao Huang

    Published 2019-01-01
    “…The effect of TiO2 nanoparticles on the photodegradation behaviors of the nanocomposite was investigated by transmission electron microscopy (TEM), differential scanning calorimetry (DSC), Fourier-transform infrared spectroscopy (FT-IR), field-emission scanning electron microscopy (FE-SEM), rheological measurements, and mechanical tests. …”
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    Article
  14. 3054

    Baseline hydro-geochemical characteristics of groundwater in Abu Ali watershed (Northern Lebanon) by Rachad Al Haj, Mohammad Merheb, Jalal Halwani, Baghdad Ouddane

    Published 2025-02-01
    “…The concentrations of nine major ions—Ca²⁺, Mg²⁺, Na⁺, K⁺, HCO₃⁻, Cl⁻, SO₄²⁻, NO₃⁻, and PO₄³ ⁻—were determined using titration, colorimetric and potentiometric methods, and inductively coupled plasma optical emission spectroscopy (ICP-OES). The data were analyzed using hydrogeochemical plots and multivariate analysis. …”
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  15. 3055

    Modeling Radionuclide Transfer from Pasture to Milk in Kisoro, South- Western Uganda by Habakwiha V, Oruru B, Tumps Ireeta W

    Published 2023
    “…Activity concentrations of radionuclides in the samples were determined using gamma spectroscopy. Transfer ratios of radionuclides to from pasture to milk were calculated. …”
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  16. 3056

    Crack of a helicopter main rotor actuator attachment: failure analysis and lessons learned by L. Allegrucci, F. De Paolis, A. Coletta, M. Bernabei

    Published 2013-10-01
    “…The accordance with the specification requirements about alloy composition was verified by quantitative elementary analysis through inductive coupled plasma spectroscopy (ICP); furthermore, semi-quantitative elementary analysis was locally verified by Energy dispersion spectroscopy X ray (EDS_RX). …”
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    Article
  17. 3057

    Antibacterial activity of selenium nanoparticles/copper oxide (SeNPs/CuO) nanocomposite against some multi-drug resistant clinical pathogens by Ahmed Morad Asaad, Sara A. Saied, Mohammad M. Torayah, N. I. Abu-Elsaad, Samah Mohammed Awad.

    Published 2025-01-01
    “…The fabricated nanocomposite was fully characterized by X-Ray diffraction analysis (XRD), fourier transforms infrared spectroscopy (FTIR), and transmission electron microscope (TEM). …”
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    Article
  18. 3058

    Trimetallic ferrite functionalized by guaninium tartrate ionic liquid (Co0.2Zn0.6Cu0.2Fe2O4-SiO2@[GuaH]+[Tar]2‒[GuaH]+) as a novel inorganic-bioorganic nanostructure to promote aqu... by Zahra Khademi, Kobra Nikoofar, Mansoureh Zahedi-Tabrizi

    Published 2025-02-01
    “…The novel bio-nanostructure was characterized by various techniques such as fourier transform infrared spectroscopy (FT-IR), energy dispersive X-ray analysis (EDAX), EDAX mapping, field emission scanning electron microscopy (FESEM), X-ray fluorescence (XRF), X-ray diffraction (XRD), thermogravimetric/differential thermal gravimetric analysis (TGA/DTG), vibrating sample magnetometry (VSM), high resolution transmission electron microscopy (HRTEM), and zeta potential analysis. …”
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    Article
  19. 3059

    Pb-free metal oxide-based epoxy resin nanocomposites for radiation protection: Physical evaluation analysis approach by Toni Beth Guatato-Lopez, Alvie Asuncion-Astronomo, Gil Nonato C. Santos

    Published 2025-01-01
    “…The radiation shielding effectiveness of the composites was evaluated using Na-22, Cs-137, and Mn-54 gamma sources in a gamma spectroscopy setup in Philippine Nuclear Research Institute. …”
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    Article
  20. 3060

    Multisite Kinetic Modeling of 13C Metabolic MR Using [1-13C]Pyruvate by Pedro A. Gómez Damián, Jonathan I. Sperl, Martin A. Janich, Oleksandr Khegai, Florian Wiesinger, Steffen J. Glaser, Axel Haase, Markus Schwaiger, Rolf F. Schulte, Marion I. Menzel

    Published 2014-01-01
    “…Since pyruvate interacts dynamically and simultaneously with its downstream metabolites, the purpose of this work is the determination of parameter values through a multisite, dynamic model involving possible biochemical pathways present in MR spectroscopy. Kinetic modeling parameters were determined by fitting the multisite model to time-domain dynamic metabolite data. …”
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