Results 271 to 280 of about 243,706 (316)
Advanced Materials, EarlyView.A transparent, deformable stevia–PVA hydrogel triboelectric nanogenerator delivers significantly enhanced mechanical strength and electrical output through biomimetic hydrogen‐bonded networks. Coupled with machine learning–assisted signal recognition, the self‐powered hydrogel enables accurate human‐motion sensing for intelligent wearable and IoT ...
Thien Trung Luu +5 more
wiley +1 more source
Advances in Magnesium‐Based Thermoelectrics: A Critical Review
Advanced Materials, EarlyView.Magnesium‐based thermoelectric materials have emerged as promising candidates for low‐to‐mid‐temperature energy conversion due to their abundance, low cost, and competitive performance. This review summarizes recent advances in Mg3X2, MgAgSb, and Mg2X systems, covering transport mechanisms, fabrication strategies, stability challenges, and device ...
Li‐Min Zhang +5 more
wiley +1 more source
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Dynamic waves in fluidized beds
Powder Technology, 1995Abstract Published results on the velocity of propagation and the change of amplitude of dynamic waves in fluidized beds are reviewed and re-evaluated. A distinction is drawn between pressure waves and solids concentration waves. Over the range of frequencies of interest in fluidized beds, predictions of the velocity of compression waves by pseudo ...
D. MUSMARRA +3 more
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Wave-particle dualism of spiral waves dynamics
Physical Review E, 2003We demonstrate and explain a wave-particle dualism of such classical macroscopic phenomena as spiral waves in active media. That means although spiral waves appear as nonlocal processes involving the whole medium, they respond to small perturbations as effectively localized entities.
I V, Biktasheva, V N, Biktashev
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Dynamic modeling of a wave glider
Frontiers of Information Technology & Electronic Engineering, 2017We propose a method to establish a dynamic model for a wave glider, a wave-propelled sea surface vehicle that can make use of wave energy to obtain thrust. The vehicle, composed of a surface float and a submerged glider in sea water, is regarded as a two-particle system. Kane’s equations are used to establish the dynamic model. To verify the model, the
Chunlin Zhou +4 more
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Dynamics of the eye’s wave aberration
Journal of the Optical Society of America A, 2001It is well known that the eye's optics exhibit temporal instability in the form of microfluctuations in focus; however, almost nothing is known of the temporal properties of the eye's other aberrations. We constructed a real-time Hartmann-Shack (HS) wave-front sensor to measure these dynamics at frequencies as high as 60 Hz.
H, Hofer +4 more
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Bifurcations and Dynamics of Spiral Waves
Journal of Nonlinear Science, 1999This interesting paper is devoted to the study of bifurcation and dynamics of spiral waves. The transitions from meandering spiral waves to more complicated patterns can be observed in several chemical systems such as the Belousov-Zhabotinsky reaction or the catalysis on platinum surfaces.
Sandstede, B., Scheel, A., Wulff, C.
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COARSENING DYNAMICS OF ROLL WAVES
2000Our community will be forever grateful to Steve Davis for exposing us to the myriad of fascinating interfacial dynamics that exist on thin films. One of us (HCC) entered the field after reading Steve’s clear exposition of the Benney equation for falling films.
Hsueh-Chia Chang, Evgeny A. Demekhin
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