Suggested Topics within your search.
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- Physics 1
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1561
Application of Distributed Acoustic Sensing for Active Near-Surface Seismic Monitoring
Published 2025-03-01“…For example, the multichannel analysis of surface waves (MASW) using DAS data clearly identifies S-wave velocities down to 13 m with an RMS error of 3.26%, compared to an RMS error of 6.2% for geophone data. …”
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1562
Radio Frequency Interference Detection Using Swin Transformer Embedding U2-Net
Published 2025-01-01“…Radio frequency interference (RFI) is radio wave interference from natural sources or man-made models. …”
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1563
Femtolaser Assisted Cataract Surgeryand Toric Lenses in Patients with Astigmatism. Review
Published 2020-04-01“…The review presents the results of clinical studies of corneal astigmatism correction during standard and femtolaser-assisted phacoemulsification with implantation of various models of toric IOLs: visual acuity, rotational stability, residual astigmatism percentage, wave front change. Researchers continue to discuss the advantages and disadvantages of modern technologies. …”
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1564
INVESTIGATION OF PROCESSES ON TREATMENT OF PLASMA COATINGS MADE OF MATERIALS BASED ON MULTIFUNCTIONAL OXIDE CERAMICS WITH LASER IRRADIATION IMPULSES
Published 2014-08-01“…Therefore, the total number of impulses should ensure melting and sealing of the coatings along the whole thickness that will fully contribute to obtain hardened nano-crystalline and amorphous structures.The work is based on complex metallography, X-ray diffraction and electron-microscopic investigations on modified structural elements of composite coatings being treated with highly concentrated energy sources. The following main processes of hardened plasma coating formations have been revealed in the paper: com paction of sprayed materials due to thermal and shock-wave impacts of laser irradiation impulses. …”
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1565
Ultrasonic propagation characteristics of partial discharge in transformer with complex structure
Published 2025-03-01“…The propagation process of ultrasonic waves through multimedia, including transformer oil, windings, and the core, was simulated to reveal the propagation characteristics of ultrasonic waves from the partial discharge source to the observation point. …”
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1566
Analysis of polarization of dipole modes in non-circular boreholes in anisotropic formation
Published 2015-10-01“…The processing algorithms for acoustic logging data used in practice involve propagation of two orthogonally polarized waves along borehole axis that correspond to dipole modes. …”
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1567
300 GHz Wireless Link Based on Whole Comb Modulation of Integrated Kerr Soliton Combs
Published 2023-01-01“…A Kerr microresonator frequency comb, combined with an ultrafast photodiode, has been utilized to generate millimeter- and terahertz-waves with low-phase-noise. This new light source shows promise for wireless communication above the 100 GHz band, where a high signal-to-noise ratio carrier signal is necessary to achieve high data rates. …”
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1568
The Mountainous Ecosystems of the Western Frigian High Tell in Tunisia: Dynamics of the Population and Wastelands
Published 2019-04-01“…Wastelands, a feature that has prevailed predominately in the mountainous landscapes of the Tunisian High Tell in 2018, has been a source of conflicts between the residents and the forestall administration in the colonial and the national period since the end of the 19th century. …”
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1569
Les écosystèmes des montagnes du Haut Tell friguien occidental : dynamique de la population et friches
Published 2019-04-01“…The fallows, which prevail predominately in the mountainous landscapes of the Tunisian High Tell in 2018, have been source of conflicts between local population and the forestall administration in the colonial and the national period since the end of the 19th century. …”
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1570
Effects of active vibration control of simply supported plates on sound radiation
Published 2025-05-01“…Reflections of the sound waves from walls placed around the vibrating plate are considered using the image source method. …”
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1571
A systematic review of airborne microplastics emissions as emerging contaminants in outdoor and indoor air environments
Published 2024-12-01“…The most important indoor sources for MPs included synthetic textiles, kitchen plastic utensils, synthetic fiber carpets, detergents, and furniture, while the most important sources for outdoor MPs include industrial emissions, particulate emissions from vehicles, burning of plastic waste, the expulsion of air bubbles and wave action in ocean and decomposition and destruction of plastic materials. …”
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1572
Modeling and Simulation of Parametric Nonlinear Focused Ultrasound in Three-Dimensional Bubbly Liquids with Axial Symmetry by a Finite-Element Model
Published 2023-01-01“…The model solves a differential system derived for the nonlinear interaction of acoustic waves and gas bubble oscillations. The high nonlinearity and dispersion of the bubbly medium hugely affect the behavior of the finite-amplitude waves. …”
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1573
Spalling of high strength concrete under contact explosive charge
Published 2025-06-01“…Spalling in structures is induced by tensile waves, formed as incident waves propagate and are reflected the free surface (called reflected stress waves). …”
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1574
Modern aspects of photodynamic therapy of actinic keratoses
Published 2019-07-01“…In the review article, we presented the results of our own and foreign studies on the diagnosis and treatment of AK for 2017–2019, namely: we determined the possibilities of using sources with natural and short-wave radiation at different depths of skin lesions; presented a classification of the growth of AK in the basal layer of the epidermis, which increases the possibility of predicting the outcomes of the disease; showed the prevailing efficiency of fluorescent diagnostics compared with traditional diagnostic methods; evaluated the advantages of PDT using natural light and artificial sources of radiation; described the possibility of using a combination of drugs to increase the effectiveness of PDT in difficult to treat areas and in AK foci with a high degree of damage to the basal layer of the epidermis.…”
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1575
Identifying Thorne–Żytkow Objects through Neutrinos
Published 2025-01-01“…This is especially timely since it is challenging to detect TŻOs via electromagnetic radiation unambiguously, and the T $\dot{{\rm{Z}}}$ O gravitational-wave signal could be probed with next-generation detectors for sources within our Galaxy only.…”
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1576
Slab pileup in the mantle transition zone and the 30 May 2015 Chichi‐jima earthquake
Published 2016-05-01“…Additionally, we observe multiple conversions within and below the transition zone, which we associate with seismic waves passing into and out of segments of the subducting Pacific plate. …”
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1577
VIRTUAL MODELS OF LIGHT BACKSCATTERING IN RING LASERS
Published 2018-06-01“…It is indicated that backscattering is the main source of laser gyro errors. A mathematical description of the backscattering processes based on the determination of the complex coupling parameters of counterpropagating waves is presented. …”
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1578
Enhancing performance and mitigating overheating in flat plate solar collectors: A UV-selective coating approach-experimental analysis
Published 2025-03-01“…Solar energy has emerged as a highly promising source of renewable energy, with the potential to replace traditional energy sources. …”
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1579
Analyzing Political Distrust as a Driving Factor for Protesting Political Actions in the Context of Security Threats and Political Corruption
Published 2024-09-01“…Materials & Methods This research employed secondary data analysis to examine the impact of perceived corruption and security concerns on protest activities, with political distrust serving as a mediating variable. The dataset was sourced from the seventh wave of the World Values Survey, which utilized a stratified sampling technique targeting Iranian citizens. …”
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1580
Application of the road traffic noise model to urban systems
Published 2014-06-01“…The PROP4 allows for multi-lane roadways and different representations of sources for various classes of vehicles. Interactions of waves with obstacles are limited to multi-reflections from walls as well as single and double diffractions on wedges. …”
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