Results 201 to 210 of about 78,208 (259)
Advanced Science, EarlyView.This study combines full‐field tomography with diffraction mapping to quantify radial (ε002$\varepsilon _{002}$) and axial (ε100$\varepsilon _{100}$) lattice strain in wrinkled carbon‐fiber specimens for the first time. Radial microstrain gradients (−14.5 µεMPa$\varepsilon \mathrm{MPa}$−1) are found to signal damage‐prone zones ahead of failure, which ...
Hoang Minh Luong +7 more
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Advanced Science, EarlyView.Photonic time crystals (PTCs) are systems in which electromagnetic parameters are modulated periodically in time, producing momentum bandgaps via temporal scattering rather than spatial Bragg processes. This review examines the theoretical frameworks, modeling, and computational tools for time‐varying media, and summarizes experimental demonstrations ...
Ranjan Kumar Patel +3 more
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Advanced Science, EarlyView.Laser‐induced graphene (LIG) provides a scalable, laser‐direct‐written route to porous graphene architecture with tunable chemistry and defect density. Through heterojunction engineering, catalytic functionalization, and intrinsic self‐heating, LIG achieves highly sensitive and selective detection of NOX, NH3, H2, and humidity, supporting next ...
Md Abu Sayeed Biswas +6 more
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Advanced Science, EarlyView.Schematic showing a stretchable triboelectric nanogenerator based on interlocked wavy architectures that uses EGaIn microflower‐embedded PVDF‐TrFE and Nylon‐6 nanofiber membranes. The multi‐petaled, electron‐rich EGaIn microflowers enhance interfacial polarization and capacitance, while the interlocked wavy architecture enlarges the effective contact ...
Qianqian Xu +12 more
wiley +1 more source
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Wave reflection in 3D conditions
Coastal Engineering, 2010Based on recent experiments carried out in wave basin on breakwaters with armour layer of rocks and cubes, this paper examines the dependence of the reflection coefficient on wave directional spreading and obliquity. Results suggest that long-crested and short-crested waves give similar reflection.
Barbara Zanuttigh +1 more
exaly +3 more sources
Journal of Hypertension, 1992
To determine the effects of wave reflection on the increase in arterial pressure that occurs with age and its association with concomitant changes in both the magnitude and contour of the arterial pressure pulse.While age-related changes in mean pressure are similar in central and peripheral arteries, changes in pulse pressure and pulse waveform ...
openaire +2 more sources
To determine the effects of wave reflection on the increase in arterial pressure that occurs with age and its association with concomitant changes in both the magnitude and contour of the arterial pressure pulse.While age-related changes in mean pressure are similar in central and peripheral arteries, changes in pulse pressure and pulse waveform ...
openaire +2 more sources
Reflection of a Shock Wave at a Surface
The Physics of Fluids, 1966A new finite difference method is employed in obtaining numerical solutions for the complete Navier-Stokes equations. The physical problem treated is the time-dependent propagation of a one-dimensional disturbance, which is produced by the forward motion of a piston through a compressible, viscous, thermally conducting, perfect diatomic gas and its ...
Scala, Sinclaire M., Gordon, Paul
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Antihypertensive therapy and wave reflections
Prostaglandins, Leukotrienes and Essential Fatty Acids, 1996Studies of pulsatile arterial hemodynamics have emphasized that the pulsatile component of pulse pressure has two important characteristics: (i) it increases from central to peripheral arteries for a similar value of mean arterial pressure, and (ii) it is dominantly influenced by the amplitude and timing of the backward pressure wave.
M E, Safar +3 more
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