Showing 5,021 - 5,040 results of 5,069 for search '"Fourier transform"', query time: 0.08s Refine Results
  1. 5021

    Dynamic modelling of pollution flashover on high voltage outdoor insulators by Ali Salem, Ali Ahmed

    Published 2020
    “…In this work, new techniques have been used to diagnose insulators' conditions based on Fast Fourier Transformer (FFT) Analysis of the leakage current. …”
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    Thesis
  2. 5022

    Structural, photocatalytic and electrochemical studies on facile combustion synthesized low-cost nano chromium (III) doped polycrystalline magnesium aluminate spinels by Pratapkumar, C., Prashantha, S. C., Dileep Kumar, V. G., Santosh, M. S., Ravikumar, C. R., Anilkumar, M. R., Shashidhara, T. S., Nanjunda Swamy, C., Jahagirdar, A. A., Alam, Mir Waqas, Chen, Zhong, Bui, Xuan-Thanh

    Published 2022
    “…The structural, morphological and energy gap variations due to the influence of Cr3+ on the host matrix were evidenced by powder X-ray diffraction (PXRD), Fourier transformed infrared spectroscopy (FTIR), diffuse reflectance spectroscopy (DRS), and transmission electron microscopy (TEM). …”
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    Journal Article
  3. 5023

    Synthesis of graphene by pullulan-assisted exfoliation of graphite using ultrasonic bath by Nurul Farhana, Abu Kasim

    Published 2021
    “…The chemical properties of pullulan-based graphene (graphene) was confirmed by utilizing Ultraviolet-Visible Spectroscopy (UV-vis), X-Ray Photon Spectroscopy (XPS), and Fourier Transformation Infrared Spectroscopy (FTIR). Meanwhile, Raman Spectroscopy, Transmission Electron Microscopy (TEM), and Atomic Force Microscopy (AFM) were used to study the structural analysis of graphene. …”
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    Thesis
  4. 5024

    Expansion of Vero cells on low-cost ultraviolet/ozone (UVO) treated polystyrene (PS) microcarriers for Newcastle disease virus(NDV) production by Arifin, Mohd Azmir, Nurhusna, Samsudin

    Published 2020
    “…UVO treated PS microcarriers were characterized by toluidine blue O (TBO) assay, Fourier-transformed infra-red (FTIR) and scanning electron microscopy (SEM). …”
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    Research Report
  5. 5025
  6. 5026
  7. 5027

    A STUDY OF THE SHORTEST-PERIOD PLANETS FOUND WITH KEPLER by Kotson, Michael C., Mellah, Ileyk El, Sanchis Ojeda, Roberto, Winn, Joshua Nathan, Rappaport, Saul A, Levine, Alan M

    Published 2014
    “…We present the results of a survey aimed at discovering and studying transiting planets with orbital periods shorter than one day (ultra-short-period, or USP, planets), using data from the Kepler spacecraft. We computed Fourier transforms of the photometric time series for all 200,000 target stars, and detected transit signals based on the presence of regularly spaced sharp peaks in the Fourier spectrum. …”
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    Article
  8. 5028

    The Maximum Allowable Peak Ground Acceleration of a Six Storey Building Based on Micro Tremor and Numerical Analysis by Pandu, Agustinus Sri, Priyosulistyo, Henricus

    Published 2022
    “…It is widely known that the natural frequency of building structures can be determined by analyzing Fourier transforms from micro vibrational records. This research was conducted in the structural laboratory of the Department of Civil and Environmental Engineering of UGM, which is a six-storey building. …”
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    Conference or Workshop Item
  9. 5029

    The synthesis of vertically aligned carbon nanotubes on nanostructured porous silicon template by in-situ catalyst double thermal chemical vapour deposition method / Noor Asnida As... by Asli, Noor Asnida

    Published 2014
    “…Field emission scanning microscopy (FESEM), High Resolution Transmission Electron Microscopy (HRTEM), atomic force microscopy (AFM), Energy Dispersive X-Ray Spectrometer (EDX), Raman spectroscopy, PL emission, Fourier transforms infrared spectroscopy (FTIR), Field Electron Emission Measurements (FEE) were selected for characterization. …”
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    Thesis
  10. 5030
  11. 5031

    Formulation of a sustained release docetaxel loaded cockle shell-derived calcium carbonate nanoparticles against breast cancer by Ibrahim Hammadi, Nahidah, Abba, Yusuf, Mohd Noor, Mohd Hezmee, Abdul Razak, Intan Shameha, Jaji, Alhaji Zubair, Isa, Tijani, Mahmood, Saffanah Khuder, Abu Bakar @ Zakaria, Md Zuki

    Published 2017
    “…Methods: The designed nano- anticancer formulation was characterized thorough X-ray diffraction (XRD), Fourier transformed infrared (FTIR), transmission electron microscopy (TEM) and field emission scanning electron microscopy (FESEM) and Brunauer-Emmett-Teller (BET) methods. …”
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    Article
  12. 5032

    Effects of acid rain on geotechnical properties of tropical residual soils by Bakhshipour, Zeinab

    Published 2017
    “…Whereas, to examine the effects of AAR on soil chemical mechanism, the microstructural tests were performed using zeta potential (ζ), Atomic adsorption spectroscopy (AAS), X-ray diffraction (XRD), Fourier transformed infrared spectroscopy (FTIR), scanning electron microscope (SEM), and energy dispersive X-ray spectroscopy (EDX). …”
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    Thesis
  13. 5033

    Development of calcium oxide-based catalyst derived from waste shell for biodiesel production from Nannochloropsis oculata oil and palm fatty acid distillate by Osman, Nur Syazwani

    Published 2017
    “…All the catalysts were characterized by using thermogravimetric analysis (TGA), X-ray diffraction spectroscopy (XRD), Fourier transforms infrared spectroscopy (FT-IR), temperature programmed desorption of carbon dioxide (TPD-CO2), temperature programmed desorption of ammonia (TPD-NH3), BET surface area and variable pressure scanning electron microscope (VPSEM). …”
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    Thesis
  14. 5034

    The Interaction Of Feldspar, Mica And Quartz With Different Collectors During Froth Flotation by Ibrahim, Ismail

    Published 2012
    “…The adsorption behavior of N-tallow 1,3–propanediamine-dioleate (duomeen TDO) on feldspar and quartz or coco amine on mica, feldspar and quartz was assessed through zeta potential, contact angle, fourier transformed infra-red (FTIR) and Hallimond tube. …”
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    Thesis
  15. 5035

    Chemical Surface Modification Of Graphene Nanoplatelets By Carboxylation Process For Enhanced Sorption Capacities by Achutan, Rabita Mohd Firdaus

    Published 2019
    “…Their facile chemically modification by acid oxidation induces both facile dispersion in water and high adsorption capacity of methylene blue., structural and chemical properties of the fGNP are deeply investigated by a set of complementary characterization techniques such as Fourier transformed infrared spectroscopy (FTIR), Scanning electron microscopy (SEM), High-resolution transmission electron microscopy (HRTEM), Thermogravimetric analysis (TGA) , Raman Spectroscopy and Zeta potential measurement. …”
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    Thesis
  16. 5036

    Chemical Surface Modification Of Graphene Nanoplatelets By Carboxylation Process For Enhanced Sorption Capacities by Achutan, Rabita Mohd Firdaus

    Published 2019
    “…Morphological, structural and chemical properties of the fGNP are deeply investigated by a set of complementary characterization techniques such as Fourier transformed infrared spectroscopy (FTIR), Scanning electron microscopy (SEM), High-resolution transmission electron microscopy (HRTEM), Thermogravimetric analysis (TGA) , Raman Spectroscopy and Zeta potential measurement. …”
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    Thesis
  17. 5037

    Peatland fungi: identification, application in dye decolourization and bacterial inactivation in greywater by Mohammed, Efaq Ali Noman

    Published 2021
    “…The mechanism of decolourization and inactivation process was investigated based on Field Emission Scanning Electron Microscopy with Energy Dispersive X-Ray Spectroscopy (FESEMEDX), Fourier transforms infrared spectroscopy (FTIR), atomic force microscopy (AFM) and Raman Spectroscopy analysis. …”
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    Thesis
  18. 5038

    Characterisation of deformation behaviour and damage progression of recycled aluminium alloy AA6061 by Ho, Choon Sin

    Published 2021
    “…The mechanism of decolourization and inactivation process was investigated based on Field Emission Scanning Electron Microscopy with Energy Dispersive X-Ray Spectroscopy (FESEMEDX), Fourier transforms infrared spectroscopy (FTIR), atomic force microscopy (AFM) and Raman Spectroscopy analysis. …”
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    Thesis
  19. 5039

    M-DWARF RAPID ROTATORS AND THE DETECTION OF RELATIVELY YOUNG MULTIPLE M-STAR SYSTEMS by Swift, J., Barclay, Thomas, Still, M., Handler, G., Muirhead, Philip S., Huber, Daniel, Vida, K., Joss, Matthew Albert Henry, Sanchis Ojeda, Roberto, Olah, K., Rappaport, Saul A, Levine, Alan M

    Published 2015
    “…Several analysis techniques, including Fourier transforms, inspection of folded light curves, "sonograms," and phase tracking of individual modulation cycles, were applied in order to distinguish the periodicities due to rapid rotation from those due to stellar pulsations, eclipsing binaries, or transiting planets. …”
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    Article
  20. 5040

    Oil palm Empty Fruit Bunch (EFB) fiber reinforced poly(lactic) acid composites : effects of fiber treatment and impact modifier by Akindoyo, John Olabode

    Published 2015
    “…Morphological analysis of composites fractured surface by scanning electron microscopy (SEM) and functional groups analysis by Fourier transforms infrared spectroscopy (FTIR) revealed improved adhesion of treated fibers with PLA. …”
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    Thesis