Results 51 to 60 of about 2,798,525 (329)

Topology and Material Optimization in Ultra‐Soft Magneto‐Active Structures: Making Advantage of Residual Anisotropies

open access: yesAdvanced Materials, EarlyView.
Residual magnetization induces pronounced mechanical anisotropy in ultra‐soft magnetorheological elastomers, shaping deformation and actuation even without external magnetic fields. This study introduces a computational‐experimental framework integrating magneto‐mechanical coupling into topology optimization for designing soft magnetic actuators with ...
Carlos Perez‐Garcia   +3 more
wiley   +1 more source

I bookcrossers, una comunità (virtuale) di donatori

open access: yesM@GM@, 2003
In conclusione, ci pare di poter dire che le comunità virtuali, dopo aver trascorso anni nel mondo online, sembrano (in questo come in altri casi analoghi) volersi riappropriare di spazi, oggetti e relazioni sociali del mondo offline.
Alessandra Guigoni
doaj  

Resonant Domain Wall Dynamics in a Three‐Dimensional Magnetic Nano Double Helix

open access: yesAdvanced Materials, EarlyView.
3D magnetic nanostructures promise exciting possibilities for magnetization dynamics. However, experimental realizations remain scarce. In nanoprinted cobalt double helices, time‐resolved X‐ray microscopy reveals harmonic domain wall dynamics. Simulations identify the mode and additional higher‐frequency resonances, revealing a rich dynamic landscape ...
Pamela Morales‐Fernández   +15 more
wiley   +1 more source

La profondità del superficiale: percorsi di analisi qualitativa nel "virtual field"

open access: yesM@GM@, 2003
In questo numero di m @ g m @, la redazione ha deciso di seguire un percorso conoscitivo sulle nuove tecnologie, sugli effetti di queste sulla società e su quali siano i percorsi che le scienze sociali stanno affrontando per essere allineati in questo ...
Massimiliano Di Massa
doaj  

Elements for impact assessment of cultural heritage and community well-being. A qualitative study on Casentino’s Eco-museum

open access: yesIl Capitale Culturale: Studies on the Value of Cultural Heritage, 2016
The growing interest in the impact assessment of cultural heritage has generated a diversity of approaches often focusing mainly on the economic dimension.
Glenda Galeotti
doaj   +1 more source

Benchmarking Nonequilibrium Green's Functions against Configuration Interaction for time-dependent Auger decay processes

open access: yes, 2018
We have recently proposed a Nonequilibrium Green's Function (NEGF) approach to include Auger decay processes in the ultrafast charge dynamics of photoionized molecules. Within the so called Generalized Kadanoff-Baym Ansatz the fundamental unknowns of the
Covito, F.   +3 more
core   +1 more source

A Soft Robotic Fish With a Dielectric Elastomer Actuator Body and Negative Stiffness Spine

open access: yesAdvanced Robotics Research, EarlyView.
This work introduces a bio‐mimetic soft robotic fish driven by fiber‐reinforced dielectric elastomer actuators integrated as its body. By prestretching this active skin against a flexible spine, a negative stiffness system is created, enabling large‐amplitude bending.
Markus Koenigsdorff   +4 more
wiley   +1 more source

Dal face to face al video to video: i focus group elettronici

open access: yesM@GM@, 2003
L'uso di internet per condurre focus group può essere una possibile via d'applicazione nella ricerca sociale? Gli autori sono piuttosto concordi nell'affermare che sia presto per una efficace e reale applicabilità di tale tecnica, poiché occorre ...
Luisa Stagi
doaj  

Meaning construction in education: way of interpretation and algorithmic logic

open access: yesFormare, 2020
Positivist and interpretative paradigms, organized by different languages, methods and models, configure reality according to diametrically different logics.
Chiara Cavarra
doaj   +1 more source

The problem of invisibility and the eloquence of small things: reflections on the strengths of qualitative research.

open access: yesRevista Gaúcha de Enfermagem, 2018
Ho conosciuto il mondo accademico brasiliano – la sua vivacita e il suo calore – lo scorso settembre, quando fui ospite presso le universita di Pelotas, Ribeirao Preto e Porto Alegre per un ciclo di conferenze sulla ricerca qualitativa, legato alla ...
Mario Cardano
semanticscholar   +1 more source

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