Results 101 to 110 of about 995,261 (384)

3D Propulsions of Rod‐Shaped Micropropellers

open access: yesAdvanced Intelligent Systems, 2021
Untethered, magnetically driven microrobots have great potential in practical applications such as minimally invasive surgery. Microrods, also known as “nanowires,” are the most commonly used type of structure for microrobots due to the easy fabrication ...
Yuan Zhang   +6 more
doaj   +1 more source

Identification of magnetosonic modes in Galactic turbulence with synchrotron polarization

open access: yes, 2019
The equipartition of magnetic and thermal energy in the interstellar medium (ISM) indicates the magneto-hydrodynamic nature of the interstellar turbulence, which can be decomposed into three wave modes: Alfv\'en, fast and slow magnetosonic modes\cite ...
Appleby, Sarah   +5 more
core   +1 more source

Self‐Spiking Linear Neuromorphic Soft Pressure Sensor for Underwater Sensing Applications

open access: yesAdvanced Materials, EarlyView.
This study presents a novel design of a neuromorphic pressure sensor that can generate self‐spiking symmetric signals with direct event‐based encoding through the integration of magnetic spheres and alternating coil circuits. The key advantages of this work include high linearity up to 200 kPa (R2 = 0.997), self‐spiking behavior for simplified signal ...
Jingyi Yang   +17 more
wiley   +1 more source

Triboelectric Nanogenerators Enable Multifunctional Ice Accretion, Melting, and Interfacial Fracture Detection

open access: yesAdvanced Materials, EarlyView.
Water impacting, freezing, melting, and being mechanically removed from the designed dielectric surfaces generates a triboeletric signal that can be used to detect various icing and de‐icing scenarios. The charge transferred directly scales with the interfacial fracture mechanism, further validating triboelectricity as an excellent ice‐detection ...
Kamran Alasvand Zarasvand   +12 more
wiley   +1 more source

A State-of-the-Art Review of Wind Turbine Blades: Principles, Flow-Induced Vibrations, Failure, Maintenance, and Vibration Suppression Techniques

open access: yesEnergies
The growing demand for renewable energy has underscored the importance of wind power, with wind turbines playing a pivotal role in sustainable electricity generation.
Tahir Muhammad Naqash, Md. Mahbub Alam
doaj   +1 more source

Bringing Attomolar Detection to the Point‐of‐Care with Nanopatterned DNA Origami Nanoantennas

open access: yesAdvanced Materials, EarlyView.
Single DNA molecules are captured within the hotspots of DNA origami NanoAntennas arranged on a chip surface. Fluorescence is amplified, enabling direct detection on a point‐of‐care‐compatible imaging setup (visualized as bright signals against a dark background).
Renukka Yaadav   +13 more
wiley   +1 more source

Cosmic Ray transport in MHD turbulence: large and small scale interactions

open access: yes, 2011
Cosmic ray (CR) transport and acceleration is essential for many astrophysical problems, e.g., CMB foreground, ionization of molecular clouds and all high energy phenomena.
Lazarian, A., Yan, Huirong
core  

Flow-turbulence interaction in magnetic reconnection

open access: yes, 2011
Roles of turbulence in the context of magnetic reconnection are investigated with special emphasis on the mutual interaction between flow (large-scale inhomogeneous structure) and turbulence. In order to evaluate the effective transport due to turbulence,
Hoshino, Masahiro, Yokoi, Nobumitsu
core   +1 more source

A Roadmap for Plasma‐Enabled Electrocatalysis in Urea Production

open access: yesAdvanced Materials, EarlyView.
A modular plasma—electrochemical platform enables fully electrified urea synthesis from air and CO2 under ambient conditions. This Review integrates plasma oxidation, C─N coupling electrolysis, mechanistic insights, and techno‐economic metrics into a roadmap for scalable, distributed, and renewable fertilizer production.
Jingwen Huang   +6 more
wiley   +1 more source

Hardening and Creep of Ion Irradiated CLAM Steel by Nanoindentation

open access: yesCrystals, 2020
Ion irradiation, combined with nanoindentation, has long been recognized as an effective way to study effects of irradiation on the mechanical properties of metallic materials.
Ying Liu   +5 more
doaj   +1 more source

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