Results 81 to 90 of about 399,664 (317)

Improving the Capacity Retention of Poly(vinylphenothiazine) as Battery Electrode Material by Pore Size Engineering of Porous N‐Doped Carbon Nanospheres as Conductive Additive

open access: yesAdvanced Functional Materials, EarlyView.
By using (meso)porous N‐doped carbon nanospheres with tailored intraparticle porosity and constant particle size as conductive carbon in PVMPT‐based organic battery electrodes, the complete volume of the carbon is accessible for the immobilization of PVMPT, resulting in high accessible specific capacities while maintaining a good rate capability and ...
Niklas Ortlieb   +6 more
wiley   +1 more source

Control of Ferromagnetism of Vanadium Oxide Thin Films by Oxidation States

open access: yesAdvanced Functional Materials, EarlyView.
The nonstoichiometric VOx exhibits a distinct ferromagnetic hysteresis loop and demonstrates a high magnetic susceptibility (χ=dMdH$ = \frac{{dM}}{{dH}}\;$∼10). Micromagnetic simulations show the results of the “partial volume fraction ferromagnetic phase model” for VOx/Co/Pt structure.
Kwonjin Park   +9 more
wiley   +1 more source

From Note-Level to Chord-Level Neural Network Models for Voice Separation in Symbolic Music [PDF]

open access: yesarXiv, 2020
Music is often experienced as a progression of concurrent streams of notes, or voices. The degree to which this happens depends on the position along a voice-leading continuum, ranging from monophonic, to homophonic, to polyphonic, which complicates the design of automatic voice separation models.
arxiv  

Tuning D‐Band Center of Vanadium in Constructing Lattice‐Matched Coherent Heterostructure for Enhanced Sodium Storage

open access: yesAdvanced Functional Materials, EarlyView.
The coherent heterostructure and the strong stress field at the heterointerface upshift the d‐band center of vanadium toward the Fermi level, which effectively lowers the Na+ diffusion barrier, facilitates charge transfer and accelerates reaction kinetics.
Xuexia Song   +11 more
wiley   +1 more source

Singing Voice Separation and Vocal F0 Estimation based on Mutual Combination of Robust Principal Component Analysis and Subharmonic Summation [PDF]

open access: yes, 2016
This paper presents a new method of singing voice analysis that performs mutually-dependent singing voice separation and vocal fundamental frequency (F0) estimation. Vocal F0 estimation is considered to become easier if singing voices can be separated from a music audio signal, and vocal F0 contours are useful for singing voice separation.
arxiv   +1 more source

Understanding the nature of apraxia of speech: Theory, analysis, and treatment

open access: yesNeuropsychological Trends, 2010
Researchers have interpreted the behaviours of individuals with acquired apraxia of speech (AOS) as impairment of linguistic phonological processing, motor control, or both.
Kirrie J. Ballard   +2 more
doaj   +1 more source

Phase Engineering of a 1D van der Waals Thin Film

open access: yesAdvanced Functional Materials, EarlyView.
Explores the transformative potential of 1D van der Waals materials, focusing on the monoclinic‐to‐tetragonal phase transition in NbTe4, its atomic‐scale mechanisms, and significant metal‐insulator transition (MIT) behavior. Highlights advanced imaging insights and the applications of reversible phase transitions in memory devices, sensors, and ...
Yi Shuang, Daisuke Ando, Yuji Sutou
wiley   +1 more source

Singing voice conversion with non-parallel data [PDF]

open access: yesarXiv, 2019
Singing voice conversion is a task to convert a song sang by a source singer to the voice of a target singer. In this paper, we propose using a parallel data free, many-to-one voice conversion technique on singing voices. A phonetic posterior feature is first generated by decoding singing voices through a robust Automatic Speech Recognition Engine (ASR)
arxiv  

Untangling the Role of Capping Agents in Manipulating Electrochemical Behaviors Toward Practical Aqueous Zinc‐Ion Batteries

open access: yesAdvanced Materials, EarlyView.
Inspired by the critical role of capping agents in nanomaterials synthesis and bulk crystal growth, the role of capping agents in manipulating the electrochemical behaviors of AZIBs is untangled. The multifunctional role of the capping agents in terms of the Zn anode, electrolyte, and cathode validates stable and practical AZIBs. Abstract Long‐standing
Ruwei Chen   +16 more
wiley   +1 more source

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