Suggested Topics within your search.
Showing 1,281 - 1,300 results of 1,433 for search '"acoustics"', query time: 0.04s Refine Results
  1. 1281

    Techniques of recycling end-of-life wind turbine blades in the pavement industry: A literature review by Shuwen Zhang, Noah Kirumira

    Published 2024-09-01
    “…Waste wind turbine blades can take other routes, such as processing them into waste wind turbine aggregates, roadside bicycle shades, bridge girders, and road acoustic barriers.…”
    Get full text
    Article
  2. 1282
  3. 1283

    DMA Based Physical Water Loss Management and Infrastructure Leakage Index Analysis in Asian Side of Istanbul by Mehmet Melih Koşucu

    Published 2025-01-01
    “…By reducing the average inlet pressure of the DMA from 65 m to 60 m together with active leakage control (acoustic listening and pipe repair), the water loss rate was reduced from 29.8 % to 18.9 %. …”
    Get full text
    Article
  4. 1284

    Assessing changing baleen whale distributions and reported incidents relative to vessel activity in the Northwest Atlantic. by Hannah Solway, Boris Worm, Tonya Wimmer, Derek P Tittensor

    Published 2025-01-01
    “…Present-day model projections were independently evaluated using a separate database of acoustic detections and found to align well. Regions of high relative incident risk were projected close to densely inhabited regions, principal maritime routes, and major fishing grounds, in general coinciding with reported incident hotspots. …”
    Get full text
    Article
  5. 1285

    Sound absorption coefficient from composites made from coconut fiber, paper, and styrofoam by Amalia Ma'rifatul Maghfiroh

    Published 2024-07-01
    “…The sound absorption capacity of the composite was measured at frequencies of 125 Hz, 250 Hz, 500 Hz, 750 Hz, 1,000 Hz, 2,000 Hz and 4,000 Hz. The composite acoustic test results obtained for samples A, B and C showed that the highest absorption energy was 49.57 dB at a frequency of 750 Hz for sample C. …”
    Get full text
    Article
  6. 1286

    Fetal Safety in MRI During Pregnancy: A Comprehensive Review by Gal Puris, Angela Chetrit, Eldad Katorza

    Published 2025-01-01
    “…While theoretical risks such as tissue heating and acoustic damage exist, studies show no significant harm at 1.5 T or 3 T, though caution is still advised in the first trimester. …”
    Get full text
    Article
  7. 1287

    Direct numerical simulation study on relationship between Ranque-Hilsch effect and turbulence in high-speed swirling flow inside a cylindrical vortex chamber by Taihei YAMAMOTO, Yuji HATTORI

    Published 2024-12-01
    “…Previous studies have suggested that the RH effect is caused by the unsteadiness of a high-speed swirling flow inside the cylinder, such as turbulence and acoustic phenomena. However, the unsteady characteristics have not been clarified because it is difficult to obtain time evolution data sufficiently guaranteed physical reliability. …”
    Get full text
    Article
  8. 1288
  9. 1289

    Study on the Failure Mechanism of Lower Cambrian Shale under Different Bedding Dips with Thermosolid Coupling by Wentao Wang, Zhonghu Wu, Huailei Song, Hengtao Cui, Yili Lou, Motian Tang, Hao Liu

    Published 2022-01-01
    “…To investigate the damage pattern and acoustic emission pattern of temperature on laminated shales, numerical experiments were carried out using the RFPA2D-Thermal numerical software under the effect of thermosolid coupling. …”
    Get full text
    Article
  10. 1290

    Different audiometric findings with different symptoms for diagnosing superior semicircular canal dehiscence symptoms: a retrospective study of 12 cases by Meliha Başöz Behmen, Selahattin Tuğrul, Ozlem Konukseven

    Published 2025-02-01
    “…Audiological evaluation includes air-bone conduction and speech audiometry, tympanometry, and acoustic reflex test. Results Unilateral dehiscence was observed in 6 cases, and bilateral dehiscence was observed in the other 6. …”
    Get full text
    Article
  11. 1291

    Structuroscopy of Coils after High-Temperature Mechanical Treatment on the Basis of Measurements of Rayleigh Waves Velocity by V. V. Muravʼev, L. V. Gushchina

    Published 2022-07-01
    “…The aim of the work is to study the effect of structural changes in the outer and inner surfaces of spring steel coils after winding and high–temperature machining operations on the measured characteristics of Rayleigh acoustic waves.The propagation velocities of Rayleigh waves in spring-spring steel 60C2A after winding and hightemperature machining operations are investigated. …”
    Get full text
    Article
  12. 1292

    Enhancing depression recognition through a mixed expert model by integrating speaker-related and emotion-related features by Weitong Guo, Qian He, Ziyu Lin, Xiaolong Bu, Ziyang Wang, Dong Li, Hongwu Yang

    Published 2025-02-01
    “…Speech, as a sensitive indicator, reveals noticeable acoustic changes linked to physiological and cognitive variations, making it a crucial behavioral marker for detecting depression. …”
    Get full text
    Article
  13. 1293

    Peculiarities of Optoacoustic Excitation and Propagation of Plate Waves in Thin-Walled Оbjects by A. R. Baev, A. I. Metskovets, A. L. Mayorov, M. V. Asadchaya, A. V. Vorobey

    Published 2023-12-01
    “…In this case, the velocity or propagation time of PW, between two small aperture (non-directional) transducers with an acoustic base of 43 mm, is used as an informative parameter. …”
    Get full text
    Article
  14. 1294

    Raising public awareness on anthropogenic underwater noise by means of playful activities and serious games by Paolo Diviacco, Massimiliano Iurcev

    Published 2025-02-01
    “…For example, it is possible to explain how noise can make a message contained in an acoustic signal unrecognizable, staging the case of a teacher explaining something to a noisy class. …”
    Get full text
    Article
  15. 1295

    Investigation of Sonic Under-expanded Jets Using Slotted Rectangular Mechanical Tabs by K. Anusindhiya, G. Vinayagamurthy, K. Sathish Kumar

    Published 2025-01-01
    “…The results proved that tabs are found to be effective in enhancing the mixing and thereby reducing the acoustical characteristics of the jets. Tab C is seen to perform better in enhancing the mixing compared to other tabs with a percentage reduction of 89 %, 86 % and 84 % for the Nozzle Pressure Ratio (NPR) 3, 4 and 5 respectively.…”
    Get full text
    Article
  16. 1296

    Numerical Study on Wind-Induced Noise of High-Rise Building Curtain Wall with Outside Shading Devices by Wei Xu, Feng Xu

    Published 2018-01-01
    “…Second, the sound pressure levels in the vicinity of the shading devices with two types of perforation plate schemes were calculated to evaluate the acoustic characteristics by using the FW-H equation to simulate sound generation and propagation. …”
    Get full text
    Article
  17. 1297

    The Deformation Behavior and Failure Modes of Surrounding Rock after Excavation: A Experimental Study by Jinping Liang, Haoyong Jing, Xiaorui Li, Gongyu Hou

    Published 2023-01-01
    “…The results show that the system can accurately simulate the mechanical response and acoustic emission response of the excavated surrounding rock, which provides a new experimental method for further study of the unloading response of the surrounding rock.…”
    Get full text
    Article
  18. 1298

    Feature selection based on Mahalanobis distance for early Parkinson disease classification by Mustafa Noaman Kadhim, Dhiah Al-Shammary, Ahmed M. Mahdi, Ayman Ibaida

    Published 2025-01-01
    “…Similarly, on the ''Parkinson Dataset with Replicated Acoustic Features'', the feature set was reduced from 45 to 18 features, achieving accuracy improvements ranging from 1.38 % to 13.88 %, with the Random Forest (RF) classifier achieving the best accuracy of 95.83 %. …”
    Get full text
    Article
  19. 1299

    Effective Marine Monitoring with Multimodal Sensing and Improved Underwater Robotic Perception towards Environmental Protection and Smart Energy Transition by Hamidreza FARHADI TOLIE, REN Jinchang, Md Junayed HASAN, MA Ping, Somasundar KANNAN, LI Yinhe

    Published 2024-12-01
    “…A promptable segmentation model automates sonar target detection, overcoming challenges such as acoustic noise and shadowing without requiring large labeled datasets. …”
    Get full text
    Article
  20. 1300

    A comparison of Bayesian and frequentist confidence intervals in the presence of a late Universe degeneracy by Eoin Ó. Colgáin, Saeed Pourojaghi, M. M. Sheikh-Jabbari, Darragh Sherwin

    Published 2025-02-01
    “…Finally, on the assumption that the Planck- $$\Lambda $$ Λ CDM cosmological model is correct, using profile likelihoods we confirm a $$>2 \sigma $$ > 2 σ discrepancy with Planck- $$\Lambda $$ Λ CDM in a combination of CC and baryon acoustic oscillations (BAO) data beyond $$z \sim 1.5$$ z ∼ 1.5 . …”
    Get full text
    Article