Results 161 to 170 of about 7,271 (213)
Advanced Materials, EarlyView.In the proposed model, a photoinduced nanoreactor uses Cu2O self‐photooxidation to generate localized supersaturation. A metastable supersaturation state first forms a shell, creating a spatially confined environment that restricts reactant exchange; continued Cu release then drives the local environment toward a labile regime that favors predominantly
Yongdeok Ahn +5 more
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Recent Advances in Plasma‐Enhanced Atomic Layer Etching for Next‐Generation Nanofabrication
Advanced Materials Interfaces, EarlyView.Continued semiconductor miniaturization demands atomic‐scale patterning and ultralow surface roughness beyond the capabilities of conventional reactive ion etching. This review highlights advances in isotropic and anisotropic plasma‐enhanced atomic layer etching since 2020, covering fundamental mechanisms, applications across major semiconductor ...
Shih‐Nan Hsiao
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Advances in Halide Perovskites for Photon Radiation Detectors
Advanced Materials Technologies, EarlyView.This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang +3 more
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Advanced Materials Technologies, EarlyView.Hierarchical multi‐material TPMS lattices are engineered as flexible tactile sensors by combining soft and stiff elastomeric layers with a conformal conductive coating. The bilayer architecture delivers sensitivity at low pressures while maintaining a broad detectable range under large loads, enabling reliable pressure and vibration monitoring for ...
Reza Noroozi +3 more
wiley +1 more source
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Velocity Selective Radiofrequency Pulse Trains
Journal of Magnetic Resonance, 1999The incorporation of velocity-encoding gradient pulses in RF-pulse trains is proposed and examined. Velocity selective perturbation is shown to be analogous in many respects to the well established use of trains of short RF-pulses for chemical shift selective perturbation.
David Norris
exaly +4 more sources
Pulse wave velocities in the aorta
Bulletin of Mathematical Biology, 1984This paper is an analytical study on the pulse wave velocities in the aorta. In conformity to a physiologic state of loading, the distensibility of the vessel wall has been accounted for. The wall material is treated by using the theory of large elastic deformations. The orthotropicity of wall tissues and the effect of the surrounding tissues have been
Misra, J. C., Singh, S. I.
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Pulse Dispersion and Pulse Velocity
1996Any physically consistent setting up of a pulse problem should incorporate three basic components: a source of the perturbation, a medium of propagation and a receiver spatially separated from the source. To obtain a reproducible experiment one should eliminate all other sources of perturbations, and initiate the signal in the medium at rest at a ...
Mark Kelbert, Igor Sazonov
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Nature, 1954
ONE of us1 has noted that the velocity of electrons has never been measured under conditions which allow no alternative interpretation. A linear velocity of displacement is a necessary inference only where two successive events, departure and arrival, have been observed which are localized and distinct, both in space and in time.
L. L. WHYTE, D. L. RICHARDS, D. GABOR
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ONE of us1 has noted that the velocity of electrons has never been measured under conditions which allow no alternative interpretation. A linear velocity of displacement is a necessary inference only where two successive events, departure and arrival, have been observed which are localized and distinct, both in space and in time.
L. L. WHYTE, D. L. RICHARDS, D. GABOR
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CAROTID‐FEMORAL PULSE WAVE VELOCITY*
Journal of the American Geriatrics Society, 1968A bstract Simultaneous records of the pulse waves were obtained from the right common carotid artery and the right femoral artery by means of piezo‐electric microphones in 26 persons whose ages ranged from 15 to 92 years.
B L, Nielsen +3 more
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Velocity‐selective RF pulses in MRI
Magnetic Resonance in Medicine, 2005AbstractA family of velocity‐selective pulses consisting of a series of RF hard pulses followed by bipolar gradients was designed. The succession of required pulses was deduced using a k‐space approach within a small tip‐angle approximation. Fourier transform of the desired velocity excitation determined the flip‐angle series, and the corresponding ...
Ludovic, de Rochefort +3 more
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