Results 31 to 40 of about 3,000,597 (358)

Mechanistic insight into the active centers of single/dual-atom Ni/Fe-based oxygen electrocatalysts

open access: yesNature Communications, 2021
Single-atom catalysts with maximum metal utilization efficiency show great potential for sustainable catalytic applications and fundamental mechanistic studies.
W. Wan   +8 more
semanticscholar   +1 more source

QCD dual [PDF]

open access: yesPhysical Review D, 2009
RevTeX, 13 pages. Added discussion on operator matching and flavor decoupling.
openaire   +4 more sources

An Explicit Structure for Duals of Frames in Krein Spaces [PDF]

open access: yesSahand Communications in Mathematical Analysis
In this study, motivating the explanation of Esmeral, Ferrer, and Wagner, similar findings regarding frames in Hilbert spaces were attempted to be extended to Krein spaces.
Elnaz Osgooei, Asghar Rahimi
doaj   +1 more source

Separable dual-space Gaussian pseudopotentials. [PDF]

open access: yesPhysical Review B (Condensed Matter), 1995
We present pseudopotential coefficients for the first two rows of the Periodic Table. The pseudopotential is of an analytic form that gives optimal efficiency in numerical calculations using plane waves as a basis set.
S. Goedecker   +3 more
semanticscholar   +1 more source

Dual Quaternions and Dual Quaternion Vectors

open access: yesCommunications on Applied Mathematics and Computation, 2022
We introduce a total order and the absolute value function for dual numbers. The absolute value function of dual numbers are with dual number values, and have properties similar to the properties of the absolute value function of real numbers. We define the magnitude of a dual quaternion, as a dual number.
Liqun Qi, Chen Ling, Hong Yan
openaire   +2 more sources

Dual infection with dengue virus 3 and human immunodeficiency virus 1 in Havana, Cuba

open access: yesJournal of Infection in Developing Countries, 2009
Although dengue virus (DEN) endemic regions overlap with human immunodeficiency virus 1 (HIV) high incidence areas, little has been documented on HIV and DEN mixed infection. Here we report DEN/HIV concurrent infections recorded during the DEN-3 epidemic
Daniel Gonzalez   +5 more
doaj   +1 more source

A combinatorial interpretation of the bijection of Goulden and Yong

open access: yesAKCE International Journal of Graphs and Combinatorics, 2020
We define a dual of a graph, generalizing the definition of Goulden et al. (2002), which only applies to trees; then we reprove their main result using our new definition.
Kerry Ojakian
doaj   +1 more source

The study on X3 sequence spaces [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2016
Let 3 denote the space of all triple gai sequences and  the space of all triple analytic sequences. This paper is devoted to the general properties of 3.
Subramanian Nagarajan, Ayhan Esi
doaj   +1 more source

Modalidades contractuales en la formación profesional dual: experiencia previa y empleabilidad en España. Actuación de la inspección de educación

open access: yesAvances en Supervisión Educativa, 2020
En este artículo se pretende dar a conocer el porcentaje del tipo de modalidad contractual (contracto para la formación y el aprendizaje o concesión de una beca) que se formaliza al alumnado de la Formación Profesional Dual de los ciclos formativos de la
Olga Femenía Millet
doaj   +1 more source

On dual topologies

open access: yesTopology and its Applications, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Basil K. Papadopoulos   +2 more
openaire   +3 more sources

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