Results 71 to 80 of about 109,203 (278)

Limb imaging of the Venus O2 visible nightglow with the Venus Monitoring Camera

, 2013
We investigated the Venus O2 visible nightglow with imagery from the Venus Monitoring Camera on Venus Express. Drawing from data collected between April 2007 and January 2011, we study the global distribution of this emission, discovered in the late 70s ...
Hueso, R., Markiewicz, W. J., Muñoz, A. García, Opitz, A., Sánchez-Lavega, A., Titov, D. V., Witasse, O.   +6 more
core   +1 more source

Evidence for a direct band gap in the topological insulator Bi2Se3 from theory and experiment [PDF]

, 2013
Using angle-resolved photoelectron spectroscopy and ab-initio GW calculations, we unambiguously show that the widely investigated three-dimensional topological insulator Bi2Se3 has a direct band gap at the Gamma point.
Aguilera, I., Bianchi, M., Blügel, S., Chulkov, E. V., Friedrich, C., Guan, D., Hatch, R. C., Hofmann, Ph., Iversen, B. B., Mi, J. L., Nechaev, I. A.   +10 more
core   +3 more sources

Ammonium Salts as Curing Agents to Obtain Ionic Epoxy Resins With a Thermoplastic‐to‐Thermoset Transition

Advanced Materials, EarlyView.
Ionic epoxy networks are prepared using ammonium salts as hardeners, leading to a two‐stage curing process with a thermoplastic‐like intermediate. This uncommon behavior enables extrusion and fabrication of thermoplastic prepregs that can be cured into thermoset composites.
Izabela Kurowska, Leire Unanue, Itxaso Calafel, Dorleta Otaegui, Jorge L. Olmedo‐Martínez, Lourdes Irusta, Daniel Vinagre, Nora Aranburu, Nerea Casado, Ibon Odriozola, David Mecerreyes   +10 more
wiley   +1 more source

Field Trials for the Empirical Characterization of the Low Voltage Grid Access Impedance From 35 kHz to 500 kHz [PDF]

, 2019
The access impedance of low-voltage (LV) power networks is a major factor related to the performance of the narrow-band power line communications (NB-PLCs) and, in a wider sense, to electromagnetic compatibility (EMC) performance.
Angulo, Itziar, Arrinda, Amaia, De La Vega, David, Fernandez, Igor, Llano, Asier, Uribe-Perez, Noelia   +5 more
core   +4 more sources

Eutectozymes as Soft Hybrid Materials for Advanced Biocatalysis

Advanced Materials, EarlyView.
Eutectozymes are sustainable hybrid materials that embed a GOx–HRP cascade within hydrophobic eutectogels featuring a dual supramolecular–covalent network. This architecture preserves native enzyme structure and stability, enables efficient heterogeneous biocatalysis in aqueous media, and positions eutectogels as robust platforms for next‐generation ...
Manuel Eduardo Martinez Cartagena, Lucia Suarez, Aitor Ontoria, Francisca J. Benitez, Elixabete Rezabal, María Soledad Orellano, Marcelo Calderón, Cristián Huck‐Iriart, Agustin S. Picco, Matias L. Picchio, Ana Beloqui   +10 more
wiley   +1 more source

Evaluating the University of the Philippines Visayas action research project based on the context, input, process, and product model

Davao Research Journal
The University of the Philippines Visayas Action Research Project (UPV ARP) is a public service initiative of the UPV Division of Professional Education (DProfEd) formed in response to the Department of Education Region VI’s call to strengthen the action
Jeena A Amoto, Donne Jone P Sodusta, Pepito R Fernandez, Jr., Josephine T Firmase, Elna Mariel M Nanta   +4 more
doaj   +1 more source

High Charge Carrier Mobility in Non‐Conjugated 3D Covalent Organic Frameworks

Advanced Materials, EarlyView.
A non‐conjugated 3D COF constructed via boronate ester linkages from tetraphenylene and pyrene‐based monomers is reported, which exhibits a high charge carrier mobility of 14 ± 1 cm2 V−1 s−1. ABSTRACT π‐Conjugation, π–π stacking, and long‐range order play a central role in determining charge transport efficiency in organic materials.
Joaquín Almarza, Karol Strutyński, Shuai Fu, Yifan Chen, Natalia M. Padial, Isabel del Barrio Gómez, Carlos Martí‐Gastaldo, Andrei N. Khlobystov, Mischa Bonn, Hai I. Wang, Manuel Melle‐Franco, Aurelio Mateo‐Alonso   +11 more
wiley   +1 more source

Comparative assessment of non-destructive evaluation methods for monitoring concrete water reservoirs – A case study

Case Studies in Construction Materials
The long-term durability of reinforced concrete water reservoirs (RCWRs) is challenged by environmental exposure that accelerates physical and chemical deterioration. Visual inspections, while common, are subjective and often identify damage late.
Nasrin Nazari, Rishi Gupta, Sardar Malek, Scott Jamieson   +3 more
doaj   +1 more source

Real options, patents, productivity and market value: evidence from a panel of UK firms [PDF]

, 2000
Patents citations are a potentially powerful indicator of technological innovation. In this paper we describe the IFS-Leverhulme patents dataset that we have constructed by combining information from the US Case-Western Patent database with UK company ...
Bloom, N., van Reenen, J.
core  

3D Printed PEDOT:PSS‐Based Lattice Pressure Sensors With Tunable Electromechanical Response

Advanced Materials Technologies, EarlyView.
poly(3,4‐ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS)‐based architected lattices are fabricated via single‐step Digital Light Processing (DLP) printing for tunable pressure sensing. Structural design variations allow precise control of sensitivity and range, while integrated conductivity eliminates post‐processing.
Ozan Karakaya, Naroa Lopez‐Larrea, Ali Veysel Tunc, Mikel Rincon‐Iglesias, Karin J. Chen, Katja Nau, Senentxu Lanceros‐Mendez, David Mecerreyes, Miryam Criado‐Gonzalez, Gerardo Hernandez‐Sosa   +9 more
wiley   +1 more source