Showing 1,981 - 2,000 results of 4,095 for search '"spectroscopy"', query time: 0.11s Refine Results
  1. 1981

    Preparation and Microwave Absorption Properties of Polyaniline and Magnetite Core-Shell-Structured Hybrid by Xuan Zhang

    Published 2018-01-01
    “…Fourier-transform infrared spectrophotometer (FTIR), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) are applied to confirm the composition of the fabricated PAN@Fe3O4 hybrids. …”
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    Article
  2. 1982

    Thermal behavior of calcite as an expansive agent by Shahraki B.K., Mehrabi B., Gholizadeh K., Mohammadinasab M.

    Published 2011-01-01
    “…The products were characterized by using differential thermal analysis (DTA), thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FT-IR) and X-ray powder diffraction (XRD). …”
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    Article
  3. 1983

    Safranin-O removal from aqueous solutions using lignin nanoparticle-g-polyacrylic acid adsorbent: Synthesis, properties, and application by J Azimvand, Kh Didehban, SA Mirshokraie

    Published 2018-10-01
    “…The adsorbent structures and morphologies of lignin nanoparticle and lignin nanoparticle-g-polyacrylic acid adsorbent were investigated using scanning electron microscopy, Fourier transform infrared spectroscopy, and thermogravimetric analysis. Nanoparticle sizes were assessed using dynamic light scattering. …”
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    Article
  4. 1984

    Citrate-modified bacterial cellulose as a potential scaffolding material for bone tissue regeneration. by Rabiu Salihu, Saiful Izwan Abd Razak, Mohd Helmi Sani, Mohammed Ahmad Wsoo, Nurliyana Ahmad Zawawi, Shafinaz Shahir

    Published 2024-01-01
    “…Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), thermal gravimetric analysis (TGA), and compressive modulus were used to characterize the biomineralized MBC (BMBC) samples. …”
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    Article
  5. 1985

    Microsegregation and Solidification Shrinkage of Copper-Lead Base Alloys by B. Korojy, L. Ekbom, H. Fredriksson

    Published 2009-01-01
    “…The chemical compositions of the different phases were measured via energy dispersive X-ray spectroscopy (EDS) for the Cu-Sn-Pb and the Cu-Sn-Zn-Pb systems. …”
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    Article
  6. 1986

    Tungsten/Platinum Hybrid Nanowire Growth via Field Emission Using Nanorobotic Manipulation by Zhan Yang, Masahiro Nakajima, Yasuhito Ode, Toshio Fukuda

    Published 2011-01-01
    “…Their purity was evaluated using energy-dispersive X-ray spectroscopy (EDS). Thus, it is possible to fabricate various metallic hybrid nanowires by changing the precursor materials. …”
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    Article
  7. 1987

    Enhancement the Thermal Stability and the Mechanical Properties of Acrylonitrile-Butadiene Copolymer by Grafting Antioxidant by Abdulaziz Ibrahim Al-Ghonamy, A. A. El-Wakil, M. Ramadan

    Published 2010-01-01
    “…The prepared natural rubber-graft-o-Aminophenol, NR-graft-o-AP, was analysed by using Infrared and 1H-NMR Spectroscopy techniques. The thermal stability, mechanical properties, and ultrasonic attenuation coefficient were evaluated for NBR vulcanizates containing the commercial antioxidant, N-phenyl-𝛽-naphthylamine (PBN), the prepared grafted antioxidant, NR-graft-o-AP, and the control vulcanizate. …”
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    Article
  8. 1988

    Aspartic Acid- and Glycine-Functionalized Mesoporous Silica as an Effective Adsorbent to Remove Methylene Blue from Contaminated Water by Abdullah M. Alswieleh

    Published 2022-01-01
    “…The physical and chemical properties of the Asp-MSNs and Gly-MSNs were also characterized by Fourier transform infrared (FTIR) spectroscopy, zeta potential, and elemental analysis. …”
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    Article
  9. 1989

    Removal of Cadmium (II), Chromium (III), and Lead (II) Heavy Metal Ions from Water by Graft Copolymerization of Acrylonitrile onto Date Palm Fiber Using H2O2/Fe++ as an Initiator by Faraj Ahmad Abuilaiwi

    Published 2020-01-01
    “…Fiber and copolymer were characterized using SEM and FT-IR spectroscopy to ensure the completion of polymerization. …”
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    Article
  10. 1990

    Adsorptive removal of methylene blue from aqueous solution using coal fly ash-derived mesoporous silica material by Ning Yuan, Hui Cai, Tian Liu, Qi Huang, Xinling Zhang

    Published 2019-05-01
    “…The obtained CFA-MS was characterized by Fourier transform infrared spectroscopy, nitrogen adsorption–desorption measurement, powder X-ray diffraction and transmission electron microscopy. …”
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    Article
  11. 1991

    NMR studies of the polyphotochromic behaviour of biphotochromic compounds by J. Berthet, S. Delbaere, V. Lokshin, A. Samat, J. C. Micheau, G. Vermeersch

    Published 2004-01-01
    “…NMR spectroscopy has been used to investigate the photochromism of four biphotochromic molecules in both the spirooxazine and naphthopyran families. …”
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    Article
  12. 1992

    Casting techniques of cannonballs from the Akko 1 shipwreck: Archaeometallurgical investigation by Cvikel D., Mentovich E.D., Ashkenazi D., Kahanov Y.

    Published 2013-01-01
    “…The examination used optical microscopy, scanning electron microscopy, including energy dispersive spectroscopy, and hardness tests. The results show that the two cannonballs were casted by sand moulds, in two dissimilar processes and were made of different types of cast-iron. …”
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  13. 1993

    Bioadsorptive Removal of the Pollutant Zn(II) from Wastewater by Delftia tsuruhatensis Biomass by Samiah Hamad Al-Mijalli

    Published 2022-01-01
    “…The Zn(II) concentration was estimated using atomic absorption spectroscopy. The qmax for bioadsorptive Zn(II) removal was calculated to be 90.91 ± 0.36 mg/g. …”
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    Article
  14. 1994

    Methodology for integrated analysis of vector- and spectroscopic bioimpedance methods by Bello José Luis García, Lafargue Alcibiades Lara, Ciria Héctor Camué, Luna Taira Batista, Leyva Yohandys Zulueta

    Published 2024-12-01
    “…The aim of this study is to propose a methodology that allows us to integrate two methods of electrical bioimpedance analysis: bioelectrical impedance vector analysis, and bioelectrical impedance spectroscopy to evaluate the health of individuals.…”
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    Article
  15. 1995

    Synthesis and Studies of Potential Antifungal and Antibacterial Agents New Aryl Thiazolyl Mercury (II) Derivatives Compounds by Abolfath Akbarzadeh, Reza Soleymani, Milad Taheri, Halimeh Rajabzadeh, Mehdi Daryani

    Published 2013-01-01
    “…The 1H-NMR and other methods like FT-IR and mass spectroscopy have determined all of compounds. Obtained results of synthesized compounds showed that reactions were carried out with suitable speed and high yield.…”
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    Article
  16. 1996

    Concentration and pH Influence on the Reducing Property of Silk Fibroin from Silk Fibrous Waste in the Green Synthesis of Silver Nanoparticles by Wilson Agudelo, Yuliet Montoya, Alejandra Garcia-Garcia, John Bustamante

    Published 2024-01-01
    “…The nanostructures were characterized by UV-visible spectrophotometry, scanning transmission electron microscopy (STEM) and transmission electron microscopy (TEM), zeta potential, and Fourier transform infrared spectroscopy (FTIR) with an ATR module. The results showed that SFw behaves as a reducing matrix and micellar structure, which favored the formation and obtainment of silver nanoparticles with colloidal stability, particle diameters, and defined morphologies. …”
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    Article
  17. 1997

    Synthesis, structure, and antimicrobial activity of aminated 5-chloro-6-nitrobenzofurazan with substituted anilines by I.V. Galkina, G.L. Takhautdinova, Kh.R. Khayarov, L.M. Yusupova, O.I Gnezdilov, A.V. Ilyasov, V.I. Galkin

    Published 2017-12-01
    “…The structure of compounds has been confirmed by IR-, NMR-spectroscopy and also by single-crystal X-ray analysis. …”
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  18. 1998

    Phase relationships in the Al-rich region of the Al-Y-Zr system by Bao X., Liu L., Huang S., Jiang Y., Wang X., Zhang L.

    Published 2017-01-01
    “…The phase relations in the Al-Y-Zr ternary system at 873 K have been investigated by X-ray powder diffraction (XRD) and scanning electron microscopy (SEM) with energy dispersive X-ray spectroscopy (EDS) in backscattered electron imaging (BSE) modes. …”
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    Article
  19. 1999

    Influence of Excitation Frequency on Raman Modes of Thin Films by A. Dixit, J. S. Thakur, V. M. Naik, R. Naik

    Published 2013-01-01
    “…Low energy optical modes of MBE-grown thin films with different values of are investigated using Raman spectroscopy. We also studied the influence of Raman excitation frequency using red and green lasers on scattering intensity of various Raman modes. …”
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    Article
  20. 2000

    Facile and Sensitive Acetylene Black-Based Electrochemical Sensor for the Detection of Imatinib by Shun Li, Qingwu Tian, Xuanming Xu, Chao Xuan, Xiaomin Yang, Shukai Sun, Tingting Zhou

    Published 2023-01-01
    “…The electrochemical behavior of IMA on the prepared GCE/AB was studied using electrochemical techniques, namely, differential pulse voltammetry (DPV) and electrochemical impedance spectroscopy. The direct determination of IMA by the GCE/AB sensor was accomplished using DPV under optimized conditions. …”
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    Article