Results 71 to 80 of about 43,580 (287)
Acoustic reflex on newborns: the influence of the 226 and 1,000 Hz probes
CoDASPURPOSE: To analyze the occurrence of acoustic reflex and its threshold on newborns using the 226 and 1,000 Hz probes. METHODS: Thirty-six newborns with "PASS" results in newborn hearing screening and tympanogram with one or two peaks for both probe ...
Lilian Cássia Bórnia Jacob-Corteletti +5 more
doaj +1 more source
Transducer Materials Mediated Deep Brain Stimulation in Neurological Disorders
Advanced Functional Materials, EarlyView.This review discusses advanced transducer materials for improving deep brain stimulation (DBS) in neurological disorders. These materials respond to light, ultrasound, or magnetic fields, enabling precise, less invasive neuromodulation. Their stimulus‐responsive properties enhance neural control and adaptive therapy, paving the way for next‐generation ...
Di Zhao +5 more
wiley +1 more source
Experimental validation of a two-dimensional shear-flow model for determining acoustic impedance [PDF]
Tests were conducted to validate a two-dimensional shear-flow analytical model for determining the acoustic impedance of a liner test specimen in a grazing-incidence, grazing-flow environment.
Jones, Michael G. +2 more
core +1 more source
A novel technique for measuring the reflection coefficient of sound absorbing materials [PDF]
, 2000 A new method to measure the acoustic behaviour of sound absorbing material in an impedance tube is presented. The method makes use of a novel particle velocity sensor, the microflown, and a microphone.
Bree, H-E. de +2 more
core +2 more sources
Conformally Perforated Shellular Metamaterials with Tunable Thermomechanical and Acoustic Properties
Advanced Functional Materials, EarlyView.This study introduces Conformally Perforated Shellular Metamaterials (CPSMs), which overcome TPMS design limitations by mapping 2D cellular layouts onto 3D surfaces. CPSMs exhibit enhanced elastic stiffness, thermal conductivity, and acoustic performance compared to intact P‐type shellulars, demonstrating their potential as multifunctional ...
Benyamin Shahryari +8 more
wiley +1 more source
The potential of date palm midribs-based fabric acoustic panels for sustainable interior design
Ain Shams Engineering Journal, 2023 This paper presents an experimental study of acoustic absorption of novel fabric acoustic panels utilizing non-woven fabric cores and fabric facings made of date palm midribs-fibers; to be used as absorbent panels for spaces with privacy needs.
E.A. Darwish, Mohamad Midani
doaj
Turbofan noise generation and suppression in aircraft engines are reviewed. The chain of physical processes which connect unsteady flow interactions with fan blades to far field noise is addressed.
Groeneweg, J. F., Rice, E. J.
core +1 more source
Tattoo Assisted Optical Sensor System for Multimodal Discrete Physiological Sensing
Advanced Healthcare Materials, EarlyView.Conventional temporary tattoos can be used for improving the speckle imaging signal‐to‐noise ratio and stability of the specifically developed device for capturing skin motion related to physiological activities beneath the skin. This allows for sensing multimodal electrophysiological signals and physiological events from the skin consistent with ...
Zihuan Wu +5 more
wiley +1 more source
Journal of Marine Science and EngineeringWith the rapid advancement of underwater communication and unmanned aerial vehicle (UAV) technologies, the potential applications of cross-medium communication in environmental monitoring, maritime Internet of Things (IoTs), and rescue operations, in ...
Shaojian Yang +6 more
doaj +1 more source
Multifunctional Biomedical Devices with Closed‐Loop Systems for Precision Therapy
Advanced Healthcare Materials, EarlyView.This review explores two major types of closed‐loop therapeutic systems: self‐sustained and externally triggered. It highlights recent advances in stimuli‐responsive materials, integrated bioelectronics, and data‐driven control strategies, offering insight into emerging strategies for personalized, responsive drug delivery.
Yixuan Leng, Rujie Sun
wiley +1 more source