Showing 32,161 - 32,180 results of 32,396 for search '"Vibration"', query time: 0.21s Refine Results
  1. 32161

    Impact of using the principle of spectral-dynamic analysis of the intensity of the electret field of the "Vim Vitae" electronic complex on a living organism by Oleksandr Hloba, Yuliia Antonova-Rafi, Walery Zukow, Tetiana Harnyk, Viktor Sinyov

    Published 2023-06-01
    “…Material & Methods: The implementation of the research became possible due to the use of the hardware and software complex "Vim Vitae", which included an electronic device for receiving and transmitting electrical bio-potentials; electronic module for converting electromagnetic vibrations; a special computer program for a smartphone, personal computer (PC), laptop, tablet, etc.; servers with algorithms for automatic processing of personalized data, databases of electronic markers, recommendations, etc. …”
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  2. 32162

    Comprehension of the Route for the Synthesis of Co/Fe LDHs via the Method of Coprecipitation with Varying pH by Chérif Morcos, Alain Seron, Nicolas Maubec, Ioannis Ignatiadis, Stéphanie Betelu

    Published 2022-05-01
    “…In this study, a combination of X-ray diffraction, vibrational and absorption spectroscopies, as well as physical and chemical analyses were used to provide deep insight into the coprecipitation formation mechanisms of Co/Fe-based LDHs under high supersaturation conditions. …”
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  3. 32163

    Design of Chemoresponsive Soft Matter Using Hydrogen-Bonded Liquid Crystals by Huaizhe Yu, Kunlun Wang, Tibor Szilvási, Karthik Nayani, Nanqi Bao, Robert J. Twieg, Manos Mavrikakis, Nicholas L. Abbott

    Published 2021-02-01
    “…By comparing experimental infrared (IR) spectra of the LC phase with vibrational frequencies calculated using density functional theory (DFT), we show that it is possible to distinguish between the presence of monomers, homodimers and heterodimers in the mixture, leading us to conclude that a one-to-one heterodimer is the dominant species within this LC composition. …”
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  4. 32164

    Design of full order observer with real time monitoring of load torque for submersible induction motors by Aleksandr Saveljevich Glazyrin, Sergey Nikolaevich Kladiev, Kirill Sergeevich Afanasiev, Vadim Vladimirovich Timoshkin, Ivan Georgievich Slepnev, Vladimir Iosifovich Polishchuk, Sandor Halasz

    Published 2018-03-01
    “…The presence of gas inclusions leads to disturbance in the stationary of the flow of injected liquid, and as a consequence, additional stresses of alternating character appear in the walls of the tubing in a wide range of vibrations. In a number of cases the fatigue destruction of tubing and «downfall» of submersible equipment occur at the wellhead. …”
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  5. 32165

    A Study on Slamming Impact Load Characteristics of Energy Storage System Case for Ships by In-Chul Park, Byoung-Cheon Seo, Sang-Hoon Lee, Jeong-Hoon Park, Hyoung-Seock Seo

    Published 2022-12-01
    “…If the ESS is located at the bottom of the ship, the slamming impact load should be considered, and a study of the vibrations generated during the slamming impact is required. …”
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  6. 32166

    Effect of Covering a Visitor Viewing Area Window on the Behaviour of Zoo-Housed Little Penguins (<i>Eudyptula minor</i>) by Samantha J. Chiew, Kym L. Butler, Sally L. Sherwen, Grahame J. Coleman, Vicky Melfi, Alicia Burns, Paul H. Hemsworth

    Published 2020-07-01
    “…However, it is unclear whether visual contact with visitors <i>per se</i> or other aspects of visitor contact, such as visitor-induced sounds and vibrations, were responsible for this apparent aversion when this window was uncovered.…”
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  7. 32167

    Phytogenic Synthesis and Characterization of Silver Metallic/Bimetallic Nanoparticles Using <i>Beta vulgaris</i> L. Extract and Assessments of Their Potential Biological Activities by Khaled M. Elattar, Abeer A. Ghoniem, Fatimah O. Al-Otibi, Mohammed S. El-Hersh, Yosra A. Helmy, WesamEldin I. A. Saber

    Published 2023-09-01
    “…The Fourier-transform infrared spectroscopy (FT-IR) spectral analyses revealed that stretching vibrations at wavenumbers 3303.81–3327.81 cm<sup>−1</sup> attributed to phenolic hydroxyl groups documented shifts in the values in this range owing to proton dissociation through the bio-reduction of the metal ions. …”
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  8. 32168

    Frequency-Tuned Porous Polyethylene Glycol Films Obtained in Atmospheric-Pressure Dielectric Barrier Discharge (DBD) Plasma by Bogdan-George Rusu, Cristian Ursu, Mihaela Olaru, Mihail Barboiu

    Published 2023-01-01
    “…To gain knowledge about the plasma species and the interaction processes that impact the film morphology, optical emission spectroscopy (OES) and intensified charge-coupled device (ICCD) fast imaging technique were applied. The determined vibrational (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi mathvariant="normal">T</mi><mrow><mi>vib</mi></mrow></msub></mrow></semantics></math></inline-formula>) and rotational (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi mathvariant="normal">T</mi><mrow><mi>rot</mi></mrow></msub></mrow></semantics></math></inline-formula>) temperatures exhibit a decrease with the introduction of monomer vapors into the discharge gap. …”
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  9. 32169

    Photocatalysis coupled with adsorption of AC@Ni0.5Cu0.5Fe2O4 in peroxydisulfate assisted system efficiently enhance ciprofloxacin removal by Bo Wang, Xuan Cao, Shifeng Li, Shuhua Yao, Haibo Wang

    Published 2022-11-01
    “…AC@Ni0.5Cu0.5Fe2O4 properties were characterized by scanning electron microscope equipped with energy-dispersive X-ray (SEM-EDX), X-ray diffraction (XRD), N2 adsorption-desorption isotherm plot of Brunauer-Emmett-Teller (BET) and Barrett-Joyner-Halenda (BJH), vibrating sample magnetometer (VSM). A rapid removal rate (94.30%) of CIP was achieved on AC@Ni0.5Cu0.5Fe2O4/PDS/UV system with the condition of catalyst dosage 0.30 g/L, initial pH 7.3, PDS addition 0.20 mM, CIP concentration 10 mg/L (200 mL), UV 28 W, in 30 min. …”
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  10. 32170

    Direct Comb Vernier Spectroscopy for Fractional Isotopic Ratio Determinations by Mario Siciliani de Cumis, Roberto Eramo, Jie Jiang, Martin E. Fermann, Pablo Cancio Pastor

    Published 2021-08-01
    “…Following this methodology, simultaneous spectra of ro-vibrational transitions of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mn>12</mn></msup></semantics></math></inline-formula>C<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mn>16</mn></msup></semantics></math></inline-formula>O<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>2</mn></msub></semantics></math></inline-formula> and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mn>13</mn></msup></semantics></math></inline-formula>C<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mn>16</mn></msup></semantics></math></inline-formula>O<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>2</mn></msub></semantics></math></inline-formula> molecules are recorded and analyzed with an accurate fitting procedure. …”
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  11. 32171

    Quantifying BrO and SO2 distributions in volcanic plumes—Recent advances in imaging Fabry-Pérot interferometer correlation spectroscopy by Alexander Nies, Alexander Nies, Jaro Heimann, Christopher Fuchs, Christopher Fuchs, Jonas Kuhn, Nicole Bobrowski, Nicole Bobrowski, Ulrich Platt

    Published 2023-04-01
    “…IFPICS uses the periodic transmission spectrum of an FPI, that is matched to the periodic narrowband (vibrational) absorption features of the target trace gas. …”
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  12. 32172

    Organic Matter and Mineral Composition of Silicate Soils: FTIR Comparison Study by Photoacoustic, Diffuse Reflectance, and Attenuated Total Reflection Modalities by Dmitry S. Volkov, Olga B. Rogova, Mikhail A. Proskurnin

    Published 2021-09-01
    “…Except for methylene and carboxylate groups, CH vibrations (3100–2900 cm<sup>−1</sup>) are not seen in ATR. …”
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  13. 32173

    Comparison of the Mechanical Properties and Crack Expansion Mechanism of Different Content and Shapes of Brass-Coated Steel Fiber-Reinforced Ultra-High-Performance Concrete by Yanli Jiang, Yulong Yan, Tianran Li, Xiuling Cao, Liang Yu, Haiquan Qi

    Published 2023-03-01
    “…The bond strength between the BCSFs and UHPC matrix was enhanced by using vibrational mixing, and the brass film coated on the BCSFs contributes to increase the flexural and compressive strength of the UHPC mixture.…”
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  14. 32174

    Synthesis, Structural and Magnetic Characterization of Superparamagnetic Ni<sub>0.3</sub>Zn<sub>0.7</sub>Cr<sub>2−x</sub>Fe<sub>x</sub>O<sub>4</sub> Oxides Obtained by Sol-Gel Meth... by Abdulrahman Mallah, Fatimah Al-Thuwayb, Mohamed Khitouni, Abdulrahman Alsawi, Joan-Josep Suñol, Jean-Marc Greneche, Maha M. Almoneef

    Published 2023-05-01
    “…X-ray diffraction (XRD), scanning electron microscopy (SEM), vibrating sample magnetometer (VSM), and <sup>57</sup>Fe Mössbauer spectrometry were used to examine the structure and magnetic characteristics of the produced nanoparticles. …”
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  15. 32175

    Observation of Spin-Glass-like Behavior over a Wide Temperature Range in Single-Domain Nickel-Substituted Cobalt Ferrite Nanoparticles by Gassem M. Alzoubi

    Published 2022-03-01
    “…In this study, single-domain <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>Ni</mi><mi mathvariant="normal">x</mi></msub><msub><mi>Co</mi><mrow><mn>1</mn><mo>−</mo><mi mathvariant="normal">x</mi></mrow></msub><msub><mi>Fe</mi><mn>2</mn></msub><msub><mi mathvariant="normal">O</mi><mn>4</mn></msub></mrow></semantics></math></inline-formula> ferrite nanoparticles with <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>0</mn><mspace width="3.33333pt"></mspace><mo>≤</mo><mi mathvariant="normal">x</mi><mo>≤</mo><mn>1</mn></mrow></semantics></math></inline-formula> were hydrothermally prepared and characterized using X-ray diffraction, transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR), and vibrating sample magnetometry. According to the Rietveld refinement results, all of the prepared nanoparticles were single phase with spinel-type structures. …”
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  16. 32176

    CATHODOLUMINESCENCE AND RAMAN SPECTROSCOPY AS A BASIS FOR THE SELECTION OF REFERENCE SAMPLES FOR LA-ICP-MS ANALYSIS OF ZIRCON by S. L. Votyakov, M. V. Chervyakovskaya, Yu. V. Shchapova, E. A. Pankrushina, G. B. Mikhalevsky, V. S. Chervyakovsky

    Published 2022-06-01
    “…Variations in the position and width of the full width at half maximum (FWHM) mode of asymmetric stretching vibrations ν3(SiO4) B1g, as well as the values of the accumulated autoradiation dose Dα and the equivalent dose Dαed have been analyzed. …”
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  17. 32177

    Effects of green decorated AgNPs on lignin-modified magnetic nanoparticles mediated by Cydonia on cecal ligation and puncture-induced sepsis by Zhou Lei, Yao Yanfen, Wang Quanzhen, Wang Peng, Hong Shan, Kong Li

    Published 2023-11-01
    “…The successful synthesis of Fe3O4@Lig-Ag NPs was assessed using an array of advanced techniques like field emission scanning electron microscopy, fourier transformed infrared spectroscopy, transmission electron microscopy EDX, elemental mapping, vibrating-sample magnetometer, and X-ray diffraction. …”
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  18. 32178

    Systems of ventilated facades Системы вентилируемых фасадов by Zhukov Alexei Dmitriuevich

    Published 2012-04-01
    “…Whenever a thermal insulation material is selected, attention must be paid to potential vibrations in the ventilated gap of the structure, where strong air flows may be generated. …”
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  19. 32179

    Spin dynamics of room temperature van der Waals (vdW) ferromagnets and their usage in microwave devices by Pardeep Kumar, Satyabrata Patnaik, Bijoy K. Kuanr

    Published 2024-02-01
    “…Here, we examined the spin dynamics of polycrystalline Fe5GeTe2 and Fe4.8Co0.2GeTe2 vdW materials using ferromagnetic resonance (FMR) spectroscopy. Vibrating Sample Magnetometer (VSM) study reveals that both materials have a soft ferromagnetic character at room temperature. …”
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  20. 32180

    Inside out Approach to Rotator State in Hydrogen-Bonded System—Experimental and Theoretical Cross-Examination in n-Octanol by Michał Pocheć, Katarzyna M. Krupka, Jarosław J. Panek, Kazimierz Orzechowski, Aneta Jezierska

    Published 2022-02-01
    “…The Car–Parrinello molecular dynamics (CPMD) was applied to support and interpret experimental spectroscopic findings. The vibrational properties of the stretching of OH within the intermolecular hydrogen bond were studied using Fourier transformation of the autocorrelation function of both dipole moments and atomic velocity. …”
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