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Open AccessActive acoustic field modulation of ultrasonic transducers with flexible composites
The simple acoustic field generated by conventional transducers limits the development of ultrasound applications. Current methods rely on passive acoustic lenses or active arrays to manipulate ultrasonic wave...
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Article
Mechanical-electrical synergy damage effect on GaN HEMT under high-power microwave
High-power microwave damage to enhanced-mode GaN high electron mobility transistors (HEMT) is studied considering the mechanical-electrical synergy effect due to the strong piezoelectric properties of GaN, whi...
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Article
Analytical solution of wave-induced pore pressure under solitary waves
Previous studies have found that waves are similar to solitary waves when introduced in a flat shallow water area. Therefore, solitary waves are often used to analyze waves near the shore. In this study, accor...
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Article
Open AccessAb initio study for molecular-scale adsorption, decomposition and desorption on AlN surfaces during MOCVD growth
Since AlGaN offers new opportunities for the development of the solid state ultraviolet (UV) luminescence, detectors and high-power electronic devices, the growth of AlN buffer substrate is concerned. However,...
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Article
Centrifugal Model Test on the Failure Mechanism of Barrier Dam Overtop**
In order to study the failure mechanism of barrier dam overtop**, centrifugal model tests of dam failure were conducted in this research. A calculation method of rectangular weir flow in the centrifugal fiel...
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Article
Influence of diversion channel section type on landslide dam draining effect
The present study focuses on the emergency response measures for landslide dams. This work presents a series of centrifuge model tests conducted on the draining processes of barrier dams that are based on the ...
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Article
Bifurcation control of bounded noise excited Duffing oscillator by a weakly fractional-order \(\varvec{PI}^{\varvec{\lambda }} \varvec{D}^{\varvec{\mu }}\) feedback controller
An innovative bifurcation control method by using a weakly fractional-order \(PI^{\lambda } D^{\mu }\) ...