Results 61 to 70 of about 9,983 (255)
Intrinsically Stretchable Piezoelectric Nanocomposites for Artificial Ultrasonic Sensory Synapse
Advanced Materials, EarlyView.Applying ultrasonic stimulations to a soft‐stretchable underwater piezoelectric sensor based on the soft‐stretchable nanocomposite from the thermal cross‐linking between the ─C─F group of P(VDF‐TrFE) and the ─NH2 group of (PEG‐diamine) with incorporating amine‐terminated BTO@APTES nanofillers on the soft PDMS substrates generated high piezoelectric ...
Trung Dieu Do +11 more
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Evaluation of the Changes in Sound Absorption Coefficient of Some Usual Earmuffs in Laboratory Condition [PDF]
تحقیقات نظام سلامتBackground: Using a hearing protection device is one of the ways to control noise pollution in the industry. The purpose of the present study is to evaluate the changes in the sound absorption coefficient of some commonly used earmuffs in laboratory ...
Zahra Amini +3 more
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Application of Cellulose and Paper-Based Products in Building Acoustics
Archives of AcousticsThis article presents a comprehensive acoustic study of paper-based building products: cellulose wool,paperboard, corrugated cardboard, and honeycomb panels. The material configurations included the intact form as well as the various modifications, i.e.,
Aleksandra KLIMEK +3 more
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Experimental and mathematical survey of sound absorption performance of date palm fibers
Heliyon, 2019 The present study examines the acoustic behavior sample composites made of date palm natural fibers and polyvinyl alcohol. It also provides the comparison between the sound absorption coefficients obtained from the experimental tests and the ones ...
Ebrahim Taban +4 more
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Advanced Materials, EarlyView.This review examines passive, active, and hybrid liquid manipulation strategies, highlighting hybrid approaches as an emerging route to reconcile energy efficiency with adaptive control. By actively reconstructing passive surfaces to store programmable interfacial energy, hybrid systems enable flexible yet low‐power liquid transport, with perspectives ...
Jiaqi Miao +3 more
wiley +1 more source
Estudo das medidas de imitância acústica com tom sonda de 226 e 1000 Hz em neonatos
Audiology: Communication ResearchOBJETIVO: Estudar as medidas de volume, pressão do pico e complacência obtidas nas curvas timpanométricas de neonatos, na comparação entre gêneros e orelhas, utilizando tom sonda de 226 e 1000 Hz, e analisar as respostas obtidas na pesquisa dos reflexos ...
Bruna Noronha Teixeira +3 more
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Applied SciencesThe seismic image produced by pre-stack depth migration is more accurate and has clearer geological significance than the time image. However, the waveform of the depth-domain seismic image is affected not only by depth-dependent velocity variation but ...
Chengyu Sun, Ruiqian Cai, Zhen’an Yao
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Advanced Materials, EarlyView.Memristors offer tunable resistance and intrinsic instability, making them promising tunable noise sources. We propose a spiking‐rate‐programmable probabilistic neuron using a Ru/TaOx/Pt memristor, where resistance‐dependent noise enables frequency‐selective encoding.
Do Hoon Kim +8 more
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New absorbent material acoustic based on kenaf’s fibre
Materiales de Construccion, 2010 Acoustic Standards in the building are responsible for, companies and individuals, propose new acoustic materials for the sound isolation. This paper presents a new sound-absorbent material, it is based on natural fibres, particularly fibres of kenaf. It
J. Ramis +4 more
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Electrolyte Design for Fast‐Charging Lithium‐Based Batteries
Advanced Materials, EarlyView.A decade of progress in fast‐charging electrolytes for lithium batteries is reviewed. Electrolyte design strategies spanning solvents, salts, additives, and advanced systems, such as localized high‐concentration electrolytes (LHCEs), are summarized. Advanced diagnostic tools for lithium plating and interphase chemistry are discussed, with perspectives ...
Chen Liu, Zehao Cui, Arumugam Manthiram
wiley +1 more source