Results 181 to 190 of about 160,396 (265)

Bioclimatic, demographic and anthropogenic correlates of grizzly bear activity patterns in the Greater Yellowstone Ecosystem

open access: yesOikos, EarlyView.
Plasticity of diel activity rhythms may be a key element for adaptations of wildlife populations to changing environmental conditions. In the last decades, grizzly bears Ursus arctos in the Greater Yellowstone Ecosystem (GYE) have experienced notable environmental fluctuations, including changes in availability of food sources and severe droughts ...
Aurora Donatelli   +4 more
wiley   +1 more source

End‐to‐End Portfolio Optimization with Hybrid Quantum Annealing

open access: yesAdvanced Quantum Technologies, EarlyView.
This works presents a hybrid quantum‐classical framework for portfolio optimization that combines quantum assisted asset selection and rebalancing with classical weight allocation. The approach processes real market data, embeds it into Quadratic Unconstrained Binary Optimization formulations, and evaluates performance within a unified workflow ...
Sai Nandan Morapakula   +5 more
wiley   +1 more source

Tracing Three Decades of Low Earth Orbit Satellite Communication Development: A Bibliometric and Main Path Analysis of Network Architectures, Protocol Evolution, and Emerging Intelligent Services

open access: yesInternational Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT Low Earth Orbit (LEO) satellite communication systems have evolved into a critical component of global broadband networks, enabling wide‐area connectivity, IoT services, and intelligent multilayer satellite–terrestrial integration. Despite rapid advancements in constellation deployment, routing mechanisms, resource management, and LEO–5G/6G ...
Wei‐Hao Su   +2 more
wiley   +1 more source

Why Do They Do What They Do? A Model That Describes and Connects the Drivers of Learning Assistant Facilitation Practices

open access: yesScience Education, EarlyView.
ABSTRACT Learning assistants (LAs) help implement evidence‐based teaching in undergraduate active‐learning courses and support student learning through their facilitation. Here, we present a drivers‐of‐LA‐action model with empirical evidence that connects across the macro level of LA‐supported course design and the micro level of LA‐student ...
Nicolette M. Maggiore   +3 more
wiley   +1 more source

Students’ Experiences of Teachers’ Ways of Unpacking Visual Representations in the Context of Intermolecular Forces

open access: yesScience Education, EarlyView.
ABSTRACT This is the third article in a series, emanating from a project that used social semiotics and phenomenography to explore the role visual representations play in the teaching and learning of chemistry. Building on our earlier work that identified five qualitatively different ways that teachers may use to unpack visual representations in their ...
Emelie Patron   +3 more
wiley   +1 more source

Localizing individual exciton on a quantum Hall antidot. [PDF]

open access: yesNat Commun
Pu R   +7 more
europepmc   +1 more source

Potassium‐Doped Borophane Nanosheets: A Multifunctional Platform for Reversible Hydrogen Storage and Metal‐Free Hydrogen Transfer

open access: yesSmall, EarlyView.
Borophane in dual roles: as a reductant in the conversion of levulinic acid to γ‐valerolactone and as a reversible hydrogen reservoir through partial rehydrogenation. ABSTRACT 2D borophene has long been proposed as a promising hydrogen storage material, but experimental demonstrations remain limited to boron hydride sheets derived from MgB2.
Rajamohanan Sobhana Anju   +12 more
wiley   +1 more source

Performance of the Sardinia Radio Telescope Using the Dual-Polarized Cryogenic C-Low Receiver in the 4.2-5.6 GHz Frequency Band. [PDF]

open access: yesSensors (Basel)
Schirru L   +16 more
europepmc   +1 more source

Direct Write, Read, and Erase of a Vertical Heterostructure of Graphene–Monolayer Electrolyte–h‐BN Using Electric Force Microscopy

open access: yesSmall, EarlyView.
This work demonstrates bistable graphene doping of about 5 × 1012 cm−2$\rm{c{m}^{-2}}$ using a molecularly thin electrolyte confined between two, 2D crystals. The electrolyte's bistability enables multiple non‐volatile states with a conductive AFM tip writing, erasing, and sensing these states.
Huiran Wang   +3 more
wiley   +1 more source

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