Results 131 to 140 of about 19,687 (305)

Composition measurements of crude oil and process water emulsions using thick-film ultrasonic transducers [PDF]

open access: yes, 2006
This paper presents an experimental study to investigate the suitability of thick-film ultrasonic transducers for composition measurements in heterogeneous mixtures. Following on from earlier developments [G. Meng, A.J. Jaworski, T. Dyakowski, J.M. Hale,
Jaworski, Artur   +2 more
core  

Evaluation of the Physical and Mechanical Properties of Pine (Pinus sylvestris L.) Wood Using Ultrasonic Transducers of Different Frequencies

open access: yesЛесной журнал
Acoustic non-destructive testing has become widely used in assessing the technical quality and internal condition of wood in wooden structures and growing trees.
Aleksandr S. Korolev   +3 more
doaj   +1 more source

Cross‐Scale Hierarchical Targeted Delivery System Based on Small‐Scale Magnetic Robots

open access: yesAdvanced Robotics Research, EarlyView.
This article reviews a cross‐scale hierarchical targeted delivery system that integrates magnetic continuum robots and magnetic microrobots. By combining rapid long‐range navigation with precise microscale targeting, the system overcomes key limitations of single‐scale approaches.
Junjian Zhou   +4 more
wiley   +1 more source

Ultrasonic air-coupled capacitive arrays [PDF]

open access: yes
A model is developed which is capable of predicting the pressure field of a rectangular source, as measured by a finite-sized receiver. This novel method treats the problem in a new way, which allows an integration to be performed over the area of the ...
Neild, Adrian
core  

Biomimetic Ultrasonic Vibrator with Broadband Characteristics Inspired by Leaf-Cutting Ants

open access: yesBiomimetics
Power ultrasound is widely used in industrial production, medical equipment, aerospace, and other fields. Currently, there are two main types of commonly used power generation devices: piezoelectric ultrasonic transducers and magnetostrictive ultrasonic ...
Wenshuai Wu   +4 more
doaj   +1 more source

GPR124 Alleviates Blood–Brain Barrier Disruption by Enhancing Microvascular Endothelial Function after Traumatic Brain Injury

open access: yesAdvanced Science, EarlyView.
Our study reveals the protective role of GPR124 in maintaining BBB integrity and promoting neurological recovery following TBI. It makes a significant contribution by uncovering a novel molecular interaction between GPR124 and FGFBP1 and linking this to activation of the Wnt/β‐catenin signaling pathway in vascular repair mechanisms.
Chen Wang   +13 more
wiley   +1 more source

Investigation of Ultrasonic Emulsifying Processes of a Linseed Oil and Water Mixture

open access: yesArchives of Acoustics, 2013
Ultrasonic emulsifying processes of immiscible liquids can be used to obtain stable emulsions. The authors used an ultrasonic sandwich head with an energy concentrator to obtain a suitable value of the energy density necessary for the emerge of ...
Andrzej SKUMIEL   +4 more
doaj  

Design and micromanufacturing technologies of focused piezoelectric ultrasound transducers for biomedical applications

open access: yesInternational Journal of Extreme Manufacturing
Piezoelectric ultrasonic transducers have shown great potential in biomedical applications due to their high acoustic-to-electric conversion efficiency and large power capacity. The focusing technique enables the transducer to produce an extremely narrow
Xingyu Bai   +7 more
doaj   +1 more source

Determination of Material Properties Components used in FEM Modeling of Ultrasonic Piezoelectric Transducer [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2019
Ultrasonic transducers have found new applications such as ultrasonic assisted micromachining, micro forming, surface treatment, welding, etc. Apart from the transducer’s shape and size, the resonant frequencies and amplitude are seriously affected by ...
Abbas Pak
doaj  

PRMT1‐Mediated LDHA Methylation Drives STAT3 Lactylation to Orchestrate Intestinal Inflammation and Tumorigenesis

open access: yesAdvanced Science, EarlyView.
This study identifies an immunometabolic axis wherein SAM‐driven PRMT1 methylates LDHA, enhancing its activity. The resultant lactate induces STAT3 K709 lactylation, which stabilizes an active conformation to promote STAT3 phosphorylation and IL‐10 expression.
Hui Wang   +12 more
wiley   +1 more source

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