Results 1 to 10 of about 51,315 (165)

Planar Elongated B12 Structure in M3B12 Clusters (M = Cu-Au)

open access: yesMolecules, 2022
Here, it is shown that the M3B12 (M = Cu-Au) clusters’ global minima consist of an elongated planar B12 fragment connected by an in-plane linear M3 fragment.
José Solar-Encinas   +7 more
doaj   +1 more source

Searching for Systems with Planar Hexacoordinate Carbons

open access: yesAtoms, 2023
Here, we present evidence that the D2h M2C50/2+ (M = Li-K, Be-Ca, Al-In, and Zn) species comprises planar hexacoordinate carbon (phC) structures that exhibit four covalent and two electrostatic interactions.
Diego Inostroza   +6 more
doaj   +1 more source

Resilient dragons: Exploring Odonata communities in an urbanization gradient

open access: yesEcological Indicators, 2022
Cities function as ecological systems composed of a geosphere, a biosphere and an anthroposphere, interacting with each other and generating various selection pressures on urban organisms.
Catalina M. Suárez-Tovar   +5 more
doaj   +1 more source

“¡Usted es comunista!”. Estudios sobre clase, cultura y política en la Argentina contemporánea

open access: yesSecuencia, 2021
Pablo Pozzi, “¡Usted es comunista!”. Estudios sobre clase, cultura y política en la Argentina contemporánea, Buenos Aires, Prometeo, 2020, 275 pp.
Patricia Pensado Leglise
doaj   +1 more source

First record of the Northern Ecuadorian Shrew, Cryptotis niausa Moreno Cárdenas & Albuja, 2014 (Eulipotyphla, Soricidae), in Colombia [PDF]

open access: yesCheck List, 2021
In Colombia, seven species of small-eared shrews of the genus Cryptotis Pomel, 1848 have been reported, and five of them endemic to the country. Here, we present the first confirmed record from Colombia of Cryptotis niausa Moreno Cárdenas &
Ingrith Yuliany Mejía-Fontecha   +5 more
doaj   +3 more sources

RJ 275 Op aandelen gebaseerde betalingen: zijn de kosten niet te hoog? [PDF]

open access: yesMAB, 2009
De nieuwe richtlijn 275 Op aandelen gebaseerde betalingen inzake de verwerking van op aandelen gebaseerde beloningen vereist dat ondernemingen complexe waarderingen uitvoeren om de kosten van dergelijke regelingen te verwerken in de jaarrekening ...
A. J. Brouwer, E. De Vaere
doaj   +3 more sources

In-Situ Preparation of CdTe Quantum Dots Capped with a β-Cyclodextrin-Epichlorohydrin Polymer: Polymer Influence on the Nanocrystal’s Optical Properties

open access: yesNanomaterials, 2018
β-Cyclodextrin (βCD), the less water soluble of the cyclodextrins, has been used as a capping agent in the preparation of semiconductor nanocrystals or quantum dots (QDs).
Rudy Martin-Trasanco   +8 more
doaj   +1 more source

Immune response of Phyllophaga polyphylla larvae is not an effective barrier against Metarhizium pingshaense [PDF]

open access: yesInvertebrate Survival Journal, 2014
Previous research has uncovered that the cuticle of P. polyphylla larvae acts as a good nonimmunological barrier against M. pingshaense. In the present study we investigated whether P. polyphylla larvae also show a similarly robust immunological response
J N Enríquez-Vara   +5 more
doaj   +1 more source

Orden pragmático vs orden sintáctico: ¿existe una sintaxis en el lenguaje emoji?

open access: yesCuadernos AISPI, 2023
Este trabajo pretende, principalmente, analizar si los enunciados producidos en mensajes de texto por jóvenes universitarios mediante emojis siguen algún tipo de orden sintáctico o si, dada su naturaleza pictórica, desarrollan una sintaxis que tenga en ...
Brenda Corchado Robles
doaj   +1 more source

Comportamiento macromecánico de uniones soldadas de superficie (AA5083) utilizando soldadura con gas inerte de tungsteno con recocido de homogeneización en una sola etapa

open access: yesRevista de Metalurgia, 2020
Las uniones soldadas de superficie se consideran una estrategia avanzada e innovadora para lograr una resistencia aceptable sin consumir excesiva energía en la preparación de las muestras.
Muhammad Muzamil   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy