Results 41 to 50 of about 435,841 (322)

Robust behavior and spin-texture stability of the topological surface state in Bi2Se3 upon deposition of gold

open access: yesnpj Quantum Materials, 2022
The Dirac point of a topological surface state (TSS) is protected against gapping by time-reversal symmetry. Conventional wisdom stipulates, therefore, that only through magnetisation may a TSS become gapped.
O. J. Clark   +4 more
doaj   +1 more source

Data Acquisition and Control System of Hydroelectric Power Plant Using Internet Techniques [PDF]

open access: yes, 2015
Vodní energie se nyní stala nejlepším zdrojem elektrické energie na zemi. Vyrábí se pomocí energie poskytované pohybem nebo pádem vody. Historie dokazuje, že náklady na tuto elektrickou energii zůstávají konstantní v průběhu celého roku. Vzhledem k mnoha
Sattouf, Mousa
core  

Study of charged-particle multiplicities with ALICE [PDF]

open access: yes, 2017
The multiplicity measurements include the pseudorapidity density, $\rm{d}N_{\rm ch}/\rm{d}{\eta}$, and the probability distribution as a function of the number of charged particles, $\rm{P}(N_{\rm ch})$.
Zaccolo, Valentina
core   +2 more sources

From Mechanics to Electronics: Influence of ALD Interlayers on the Multiaxial Electro‐Mechanical Behavior of Metal–Oxide Bilayers

open access: yesAdvanced Functional Materials, EarlyView.
Ultrathin AlOxHy interlayers between aluminum films and polymer substrates significantly improve electro‐mechanical properties of flexible thin film systems. By precisely controlling interlayer thickness using atomic layer deposition, this study identifies an optimal interlayer thickness of 5–10 nm that enhances ductility and delays cracking.
Johanna Byloff   +9 more
wiley   +1 more source

L’isolation dans les projets de bâtiments entre le choix et l’exigence

open access: yesRevue des Énergies Renouvelables, 2015
Dans notre pays, les coutumes de conception des structures sont conservées depuis des décennies avec le même rythme de politique. Nous cherchons l’économie, la construction avec le moindre coût et avec les matériaux habituellement utilisés. Malgré que le
N. Bouacha, L. Zeghradnia
doaj  

Z-prime Searches at the LHC: Some QCD Precision Studies in Drell-Yan [PDF]

open access: yes, 2008
Discovery potentials for extra neutral interactions at the Large Hadron Collider in forthcoming experiments are analyzed in Drell-Yan. For this purpose we use high precision next-to-next-to-leading order (NNLO) determination of the mass invarian ...
Coriano, Claudio   +2 more
core   +2 more sources

Novel Functional Materials via 3D Printing by Vat Photopolymerization

open access: yesAdvanced Functional Materials, EarlyView.
This Perspective systematically analyzes strategies for incorporating functionalities into 3D‐printed materials via Vat Photopolymerization (VP). It explores the spectrum of achievable functionalities in recently reported novel materials—such as conductive, energy‐storing, biodegradable, stimuli‐responsive, self‐healing, shape‐memory, biomaterials, and
Sergey S. Nechausov   +3 more
wiley   +1 more source

La construction écologique en Algérie: Question de choix ou de Moyens?

open access: yesRevue des Énergies Renouvelables, 2011
La dernière catastrophe mondiale générée par le Tsunami au Japon, n’est que le résultat d’une politique basée sur le sur-enrichissement des gouvernements tout en négligeant les effets néfastes liés à l’utilisation de l’énergie nucléaire.
M.A. Boukli Hacène   +2 more
doaj  

Dual‐Functional Polyphosphoesters for Gene Delivery: Synergistic Effects of Guanidinium and Hydrophobic Side Chains in Degradable Polymers

open access: yesAdvanced Healthcare Materials, EarlyView.
This study presents guanidinium‐ and indole‐functionalized polyphosphoesters as degradable, non‐viral gene delivery vectors. Through precise tuning of charge density and hydrophobicity, these polymers form stable polyplexes with low toxicity. Remarkably, minor structural changes yield up to 200‐fold differences in transfection efficiency, highlighting ...
Markus Kötzsche   +8 more
wiley   +1 more source

Matériau isolant thermique à base de déchets ménagers et oléicoles

open access: yesRevue des Énergies Renouvelables, 2010
Cet article s’inscrit dans la notion d’économie d’énergie dans le bâtiment à travers l’utilisation d’éléments isolants thermiques à base de la valorisation de déchets issus de l’industrie de transformation de l’olive, ainsi que de papier-carton ...
M. Dahli, R. Toubal
doaj  

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