Results 201 to 210 of about 35,434 (257)

Coordinated Multi‐Component Gradient Engineering of Catalyst Layers for Advanced Polymer Electrolyte Fuel Cells

Advanced Functional Materials, EarlyView.
This work presents a continuous linear gradient catalyst layer design, a general strategy for improving membrane electrode assemblies across electrochemical devices. Fabricated via a dual‐nozzle spray coating method, the architecture controls the Pt/carbon ratio, ionomer content and ionomer type across the catalyst layer, enhancing proton conduction ...
Shangwei Zhou, Matt P. Tudball, Yiming Guo, Bia Brandt, Adam Zucconi, Wenjia Du, Junfu Bu, Daniel H. C. Wan, Jianuo Chen, Emanuele Magliocca, Feng Ryan Wang, Alexander J.E. Rettie, Patrick S. Grant, Paul R. Shearing, Rhodri Jervis, Thomas S. Miller   +15 more
wiley   +1 more source

Laser‐Based Sculpturing of Embedded Ultrathin Metal‐Oxide Nanopores for Enhanced Biomolecular Sensing

Advanced Functional Materials, EarlyView.
Controlled laser‐drilling of embedded HfO2 membranes creates three layer nanopores with Gaussian‐shaped cavities sculptured in the supporting layers. These embedded solid‐state nanopores slow DNA translocation by 12‐fold compared to SiNx pores, enabling high‐resolution, label‐free detection of short DNAs, RNAs, and proteins.
Jostine Joby, Yulia Marom, Guocong Lin, Aleksandra Baron‐Wiechec, Amit Meller   +4 more
wiley   +1 more source

‘Oxygen Bound to Magnesium’ as High Voltage Redox Center Causes Sloping of the Potential Profile in Mg‐Doped Layered Oxides for Na‐Ion Batteries

Advanced Functional Materials, EarlyView.
Na‐ion batteries ‐ Impact of doping on the oxygen redox: The sloping potential of NaMg0.1Ni0.4Mn0.5O2 above 4.0 V is caused by a new redox center (arising from the ‘O bound to Mg’), having a higher potential but being more irreversible compared to the ‘O bound to Ni’.
Yongchun Li, Konstantin Köster, Katherine A. Mazzio, Yanan Sun, Annica I. Freytag, Deniz Wong, Christian Schulz, Götz Schuck, Volodymyr Baran, Alba San Jose Mendez, Marcin Zając, Payam Kaghazchi, Philipp Adelhelm   +12 more
wiley   +1 more source

Tuning the Electronic Structure and Spin State of Fe─N─C Catalysts Using an Axial Oxygen Ligand and Fe Clusters for High‐Efficiency Rechargeable Zinc–Air Batteries

Advanced Functional Materials, EarlyView.
A FeN4─O/Clu@NC‐0.1Ac catalyst containing atomically‐dispersed FeN4─O sites (medium‐spin Fe2+) and Fe clusters delivered a half‐wave potential of 0.89 V for ORR and an overpotential of 330 mV at 10 mA cm−2 for OER in 0.1 m KOH. When the catalyst was used in a rechargeable Zn–air battery, a power density of 284.5 mW cm−2 was achieved with excellent ...
Yongfang Zhou, Yu Mao, Mengyao Chang, Ziyun Wang, Wenke Xie, Cuizhu Ye, Shanghai Wei, Lars Thomsen, Geoffrey I. N. Waterhouse   +8 more
wiley   +1 more source

Joint Control of Radiated and Surface Waves via Space‐Time Coding Metasurfaces

Advanced Functional Materials, EarlyView.
A unified space‐time coding metasurface platform enables simultaneous control of radiated and surface‐confined waves across multiple harmonics. Demonstrated functionalities include multi‐frequency beam shaping; surface‐wave excitation, and hybrid multiplexing.
Zihao Dai, Yi Ning Zheng, Lei Zhang, Xiao Qing Chen, Giuseppe Castaldi, Tie Jun Cui, Vincenzo Galdi   +6 more
wiley   +1 more source

Fine Motor Skills, Jumputan Batik Making Activities

Ainun Dzariyah, Luluk Iffatur Rocmah
openaire   +1 more source

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Fine Motor Skills

Proceedings of the ACM on Computer Graphics and Interactive Techniques, 2023
Our concept of a digital spirit refers to the agency of technology in the creative process and the potential to use it as an autonomous agent that both influences and participates in the artistic process. By attributing a digital spirit, we are able to have a more collaborative and interactive relationship with technology, where the role of the artist ...
Sharan R. Elran, Yuval Harel, Amit R. Zoran   +2 more
openaire   +1 more source

The Relationship Between Fine-Motor Play and Fine-Motor Skill

NHSA Dialog, 2004
This study examined the relationship between free-play choices and fine-motor skill in 4-year-old children attending Head Start. Children with poor fine-motor skill were matched for age and gender with children in the same classroom that exhibited good fine-motor skill.
Deborah Marr, Sharon Cermak, Ellen S. Cohn, Anne Henderson   +3 more
openaire   +1 more source

Fine motor skills and early handwriting

2023
The dataset contains the following and further variables: - Fine motor skills measured with a fine motor Screening in kindergarten - Fine motor skills, visuomotor integration, and handwriting legibility measured in first grade (30 months later) - Background variables such as gender, age, parent's education, language, etc.
Maurer, Michelle Nina, Bühler, Florian Jonas   +1 more
openaire   +1 more source

Transcendental Meditation and Fine Perceptual-Motor Skill

Perceptual and Motor Skills, 1976
30 college male meditators had a 20-min. meditation followed by a 6-min. waking phase prior to 5-min. continuous practice on the pursuit rotor task. This was followed by a 4-min. rest then a further 2-min. of pursuit rotor practice. A similar group of college males who were non-meditators ( N = 30) followed the same procedures except that instead of ...
L R, Williams, P G, Herbert
openaire   +2 more sources