Results 251 to 260 of about 212,914 (312)
Advanced Science, EarlyView.A transformative ferroelectric‐polarization strategy is employed to overcome the intrinsic limitations of tungsten bronze (TTB)‐type anode materials in metal‐ion batteries, using Bi3Nb17O47 as a model system. By exploiting the non‐centrosymmetric crystal structure and field‐induced ionic displacements, controlled structural engineering with ...
Xiaoming Lou +10 more
wiley +1 more source
Ultrafast Multilevel Switching and Synaptic Behavior in a Planar Quantum Topological Memristor
Advanced Science, EarlyView.Dry‐transferred Bi2Te3 layers enable a planar quantum topological memristor framework. In‐plane topological surface states facilitate ultrafast & low‐power operations. Coexisting analog and digital modes support current‐controlled multilevel states. PQTM exhibits 105 s retention, 103 cycles endurance, and reproducibility across 24 devices.
Mamoon Ur Rashid +12 more
wiley +1 more source
Advanced Science, EarlyView.In hypoxic microenvironment, WNT5A is predominantly secreted by tumor‐associated macrophages. Hypoxia‐induced WTAP mediates ROR1 stability by m6A modifications in a HuR‐dependent manner in Glioma stem cells (GSCs). WNT5A activates the WNT pathway via ROR1 binding on GSCs, driving glioma‐derived endothelial cells (GDECs) differentiation.
Xiaoyong Chen +15 more
wiley +1 more source
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Journal of the American Society for Naval Engineers, 1954
Aerodynamics research; First successful use.
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Aerodynamics research; First successful use.
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2023
INTRODUCTION Wind tunnels provide controlled air streams to study aerodynamic and fluid flow phenomena. They are frequently used to replicate the actions of an object flying or moving in an air stream, such as airplanes or vehicles. Table 7.1 lists several types of wind tunnels.
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INTRODUCTION Wind tunnels provide controlled air streams to study aerodynamic and fluid flow phenomena. They are frequently used to replicate the actions of an object flying or moving in an air stream, such as airplanes or vehicles. Table 7.1 lists several types of wind tunnels.
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Wind Tunnel Rotor Measurements
2022Wind tunnels have been used extensively by the wind energy community to measure 2D airfoil performance (the subject of 2d Airfoil Measurements). However, despite their size limitations, wind tunnels have also been used for 3D rotating measurements.
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Physics World, 1990
William F Vinen, Professor of Physics at Birmingham University, UK, and a pioneer in the study of superfluidity, gave a review talk on the history of superfluidity research at the Cryogenic Engineering Conference at UCLA last July. He concluded by noting that apart from the scholarly interest in superfluidity, the only practical application of helium ...
Russell Donnelly +2 more
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William F Vinen, Professor of Physics at Birmingham University, UK, and a pioneer in the study of superfluidity, gave a review talk on the history of superfluidity research at the Cryogenic Engineering Conference at UCLA last July. He concluded by noting that apart from the scholarly interest in superfluidity, the only practical application of helium ...
Russell Donnelly +2 more
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The Journal of the Royal Aeronautical Society, 1927
The wind channel and the whirling arm have been devised and perfected over a period of a number of years with a view to providing reliable aerodynamic data for aircraft designers. Of late years the wind channel has been used considerably more than the whirling arm.In the two pieces of apparatus distinct methods are used.
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The wind channel and the whirling arm have been devised and perfected over a period of a number of years with a view to providing reliable aerodynamic data for aircraft designers. Of late years the wind channel has been used considerably more than the whirling arm.In the two pieces of apparatus distinct methods are used.
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2020
As the air flow around an aircraft is not uniform, locally supersonic zones may exist even under subsonic upstream flow condition, this defines the transonic regime, a condition where both subsonic and supersonic regions coexist.
Bruno Chanetz +5 more
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As the air flow around an aircraft is not uniform, locally supersonic zones may exist even under subsonic upstream flow condition, this defines the transonic regime, a condition where both subsonic and supersonic regions coexist.
Bruno Chanetz +5 more
openaire +1 more source
2020
Hypersonic wind tunnels are intended for studying the aerodynamics of hypersonic aircraft, space launchers, missiles, projectiles and the atmospheric re-entry of space vehicles.
Bruno Chanetz +5 more
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Hypersonic wind tunnels are intended for studying the aerodynamics of hypersonic aircraft, space launchers, missiles, projectiles and the atmospheric re-entry of space vehicles.
Bruno Chanetz +5 more
openaire +1 more source