Results 61 to 70 of about 391,526 (305)

Después de la pandemia: ¿antesala del socialismo o del “capitalismo recargado”?

Serviço Social & Sociedade, 2021
Resumo: Con más de un millón de muertos a causa del coronavirus a nivel mundial y casi 154.000 en Brasil, no quedan dudas que el orden mundial del pasado y, más que ello, las viejas formas de sociabilidad y organización de la vida económica han sido ya ...
Atilio Boron
doaj   +1 more source

Ionic high-pressure form of elemental boron

, 2009
Boron is an element of fascinating chemical complexity. Controversies have shrouded this element since its discovery was announced in 1808: the new 'element' turned out to be a compound containing less than 60-70 percent of boron, and it was not until ...
A Masago, AF Wells, AR Oganov, Artem R. Oganov, B Edwards, BE Douglas, Carlo Gatti, Colin W. Glass, CW Glass, DN Sanz, E Amberger, G Kresse, G Will, H Werheit, IV Petryanov-Sokolov, Jiuhua Chen, JP Perdew, M Vlasse, MI Eremets, MI McMahon, MJ van Setten, Oleksandr O. Kurakevych, PE Blöchl, RFW Bader, S Baroni, Tony Yu, U Häussermann, VL Solozhenko, Vladimir L. Solozhenko, VV Brazhkin, W Hayami, X Gonze, Yanming Ma, Yanzhang Ma, YM Ma, YZ Ma, Zhenxian Liu   +36 more
core   +1 more source

Validation of gyrokinetic modelling of light impurity transport including rotation in ASDEX Upgrade [PDF]

, 2013
Upgraded spectroscopic hardware and an improved impurity concentration calculation allow accurate determination of boron density in the ASDEX Upgrade tokamak.
Angioni, C., Camenen, Y., Casson, F. J., Dux, R., Fable, E., Fischer, R., Geiger, B., Manas, P., McDermott, R. M., Menchero, L., Tardini, G., team, ASDEX Upgrade   +11 more
core   +3 more sources

Deterministic Detection of Single Ion Implantation

Advanced Engineering Materials, EarlyView.
Focused ion beam implantation with high detection efficiencies will enable the rapid and scalable fabrication of advanced spin‐based technologies such as qubits. This work presents the detection efficiencies of a wide range of ions implanted into solid‐state hosts, with efficiencies of >90% recorded for ion species and substrate combinations of ...
Mason Adshead, Lok Kan Wan, Maddison Coke, Janet Jacobs, Nicholas F. L. Collins, Mark C. Rosamond, Richard J. Curry   +6 more
wiley   +1 more source

Enhancing Corrosion Resistance and Tribomechanical Characteristics of Powder Coatings via the Integration of Functionalized HF‐Free MXene Reinforcements

Advanced Materials Interfaces
MXene, a new generation of 2D materials, is gaining attention for anti‐corrosion applications due to its large surface area, electrical conductivity, and self‐healing properties.
Ziba Nazarlou, Naeimeh Sadat Peighambardoust, Peyman Lahe Motlagh, Umut Aydemir   +3 more
doaj   +1 more source

Screening of antimicrobial resistance and molecular detection of fluoroquinolone resistance mechanisms in chicken faeces-derived Escherichia coli

Veterinární Medicína, 2016
This study was aimed at investigating the resistance to antimicrobial agents and to assess the predominant molecular mechanisms of fluoroquinolone resistance in faecal E. coli strains isolated from chickens farmed in central Poland.
A. Lenart-Boron, K. Augustyniak, P. Boron   +2 more
doaj   +1 more source

Hydrogen passivation of boron acceptors in as-grown boron-doped CVD diamond epilayers [PDF]

, 2010
A homoepitaxial boron-doped diamond single layer is investigated by means of Fourier transformed infrared spectroscopy (FTIR) and cathodoluminescence (CL). Both techniques are shown to be complementary.
Araujo, Araujo, Araújo, Barjon, Baron, Bernard, Bernard, Bonard, C. Fernández-Lorenzo, Chevallier, Collins, D. Araújo, E. Bustarret, F. Omnès, Goss, J. Martín, J. Navas, Kasu, Kawarada, M.P. Alegre, M.P. Villar, Muret, P.N. Volpe, R. Alcántara, Teukam, Thonke   +25 more
core   +4 more sources

Characterization of Macro/Microstructure and Corrosion Resistance of Austenitic Gas Tungsten Arc Welding Cladding

Advanced Engineering Materials, EarlyView.
Cladding is a proven method that boosts the surface qualities of mechanical parts by applying a layer of more durable material over a base substrate. This work responds to the needs of offshore and pressure vessels sectors by focusing on cladding a super austenitic steel onto low‐carbon steel through gas tungsten arc welding.
E. J. da Cruz Junior, F. M. F. A. Varasquim, F. O. Carvalho, L. F. F. Santiago, V. A. Ventrella, I. Calliari, M. Pigato   +6 more
wiley   +1 more source

Nickel(0)‐Catalyzed [2+2+2] Cycloadditions of Linked Bisdiynes with Diaryl Alkynes Generates D‐π‐A‐π‐D Bis(arylethynyl)indane‐Based Organic Frameworks as Noncytotoxic Probes for Ds‐DNA/Ds‐RNA

ChemistryEurope
Nickel(0)‐catalyzed [2 + 2 + 2] cycloadditions of linked bisdiynes with diarylacetylenes were performed using the Ni(II) precursor complex [(TMEDA)Ni(o‐tolyl)Cl] in the presence of PPh3 ligands to generate the active Ni(0) species. Optimal reactivity was
Robert Ricker, Dijana Pavlović Saftić, Sabine Lorenzen, Johannes Schneider, Alena Neudert, Michelle Kalizki, Johannes Krebs, Florian Kerner, Alexandra Friedrich, Ludwig Zapf, Nils Schopper, Maik Finze, Nina Vukadinović, Lucija Lulić Horvat, Ivo Piantanida, Todd B. Marder   +15 more
doaj   +1 more source

Potential microbiological threat to the Vistula waters by its tributaries in the vicinity of Kraków

Soil and Water Research, 2015
The Vistula is the longest river in Poland. It stretches from the Silesian Beskids to the Gulf of Gdańsk. Water from the Vistula is the source of drinking water for many cities and is used in industry, and therefore its quality and microbiological purity
Anna LENART-BOROŃ, Monika PUCHAŁA, Piotr BOROŃ   +2 more
doaj   +1 more source