Results 111 to 120 of about 1,242,505 (361)

Efficiency Analysis of Wireless Power Transfer System Based on PCB Magnetic Resonance Coil

open access: yesKongzhi Yu Xinxi Jishu, 2017
Magnetic resonance wireless power transmission technology has become a research focuse due to its characteristic of far distance and high efficiency.
LI Zhiyong   +3 more
doaj  

Analysis of Influencing Factors of Wireless Charging Safety in Underground Coal Mine and Countermeasures

open access: yesMeikuang Anquan, 2020
In view of the lack of relevant safety technical requirements and detection methods for wireless charging in underground coal mines, this paper proposes that electromagnetic induction wireless charging should be preferred to inductance coupling ...
MENG Jijian, CHEN Yongran
doaj   +1 more source

Magnetic‐Field Control of Surface States in CoFe2O4 Thin Films for Nitrate Electroreduction to Ammonia

open access: yesAdvanced Functional Materials, EarlyView.
Magnetic‐field‐assisted CVD of heterometallic single‐source precursors modulates thin‐film surface electronic structure and interfacial charge transfer. Field‐grown (Cobalt ferrite‐1T)CF‐1T films exhibit stabilized electronic states, lower kinetic barriers, and markedly enhanced nitrate‐to‐ammonia electrocatalysis versus (Cobalt ferrite‐0T) CF‐0T ...
Touraj Karimpour   +11 more
wiley   +1 more source

Refinement of Protein Tertiary Structure by Using Spin-Spin Coupling Constants from Nuclear Magnetic Resonance Measurements

open access: yes, 2012
Modelling protein structure seems a challenging enterprise because the number of structure parameters required ordinarily exceeds the amount of independent data points available from experimental observations. Expressing the predominant conformation of a
Schmidt, Jürgen M.   +5 more
core   +1 more source

Static and dynamic properties of vortex pairs in asymmetric nanomagnets

open access: yesAIP Advances, 2016
Stacked spin-vortex pairs in magnetic multilayered nanopillars, with vertical separation between the vortices small compared to the vortex core size and pure magnetostatic coupling, exhibit spin dynamics absent in individual vortices.
B. C. Koop   +5 more
doaj   +1 more source

Electro‐Steric Ion Confinement in Polyelectrolyte Networks for Robust Nonvolatile Artificial Synapse

open access: yesAdvanced Functional Materials, EarlyView.
Polyelectrolyte stoichiometry governs ion transport and retention in electrolyte‐gated synaptic transistors. A PSS‐rich network creates electro‐steric ion confinement that suppresses ion back‐diffusion and stabilizes channel doping, enabling robust nonvolatile synaptic memory, linear weight updates, and low‐energy operation.
Donghwa Lee   +9 more
wiley   +1 more source

Blood Biomarkers and Surface‐Enhanced Raman Spectroscopy for Gout: A Comprehensive Review

open access: yesAdvanced Functional Materials, EarlyView.
Schematic illustrating gout disease progression from asymptomatic hyperuricemia to chronic tophaceous disease, highlighting the limitations of conventional imaging and biochemical diagnostics and the potential of engineered SERS platforms for ultrasensitive blood‐based detection of urate‐related biomarkers across disease stages, with the color gradient
Isuri Perera   +6 more
wiley   +1 more source

Compensation for mutual coupling in transmit SENSE

open access: yes, 2005
Transmit SENSE has been developed to decrease the RF excitation duration by using a transmit coil array. In this work, mutual coupling between coils is taken into account by introducing a coupling coefficient matrix into the central equation of transmit
Qu, P, Shen, GG, Pang, Y, Wu, B
core  

Quantitative applications of ¹H and ³¹P chemically induced dynamic nuclear polarization [PDF]

open access: yes, 2003
Chemically Induced Dynamic Nuclear Polarization (CIDNP) spectroscopy has been widely used for many years for study of mechanisms of reactions that involve free radical pairs.
Neshchadin, Dmytro
core   +1 more source

Giant magnetic modulation of a planar, hybrid metamolecule resonance

open access: yesNew Journal of Physics, 2014
Coupling magnetic elements to metamaterial structures creates hybrid metamolecules with new opportunities. Here we report on the magnetic control of a metamolecule resonance, by utilizing the interaction between a single split ring resonator (SRR) and a ...
Simon A Gregory   +4 more
doaj   +1 more source

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