Results 131 to 140 of about 581,494 (309)

Identification of Public Objectives Related to Agricultural Sector Support [PDF]

open access: yes
The Common Agricultural Policy (CAP) is a widely debated policy in terms of both its budget and its instruments. In order to serve the citizens of Europe properly, CAP requires optimal identification of the public objectives desired.
Ignacio Atance, José A. Gómez-Limón
core  

Mercury pollution caused by artisanal gold mining the Ocoña river Valley, Peru [PDF]

open access: yes, 2013
Peer ReviewedPostprint (published ...
Alfonso Abella, María Pura   +4 more
core  

Surface Engineering of Ti3C2Tx MXenes via Silanol Functionalization for Improved Electrochemical Performance

open access: yesSmall, EarlyView.
This study explores the covalent functionalization of Ti3C2Tx using 5,5′‐bis(triisopropoxysilyl)‐2,2′‐bipyridine in different solvents, revealing that only m‐xylene enables effective covalent bonding, ensuring structural stability and preventing layer swelling.
Abelardo Sánchez‐Oliva   +11 more
wiley   +1 more source

Una mirada a los orígenes medievales del toreo a pie: el paso del rito al espectáculo lúdico a partir del siglo XIII

open access: yesAnales de la Universidad de Alicante. Historia Medieval
La historiografía tradicional taurina suele presentar el actual toreo a pie como un desarrollo o evolución del toreo caballeresco, situando su origen en el siglo XVIII, con la ordenación y codificación de la fiesta. Sin embargo, hay autores que mantienen
José Manuel Romero Pérez
doaj   +1 more source

Building Single‐Atom and Single‐Cluster Metal Catalysts Supported on Graphdiyne and Boron‐Graphdiyne

open access: yesSmall Structures, EarlyView.
Single‐atom catalysts, SAC, and single‐cluster catalysts, SCC, are designed through the deposition of transition metal atoms and clusters on layered graphdiyne, GDY, and boron‐graphdiyne, BGDY. The metal atoms and clusters bind strongly to the nanopores of GDY and BGDY and high activation barriers for diffusion of the metal atoms prevent metal ...
Johanna Sandoval Menjívar   +3 more
wiley   +1 more source

Inversion of analytic characteristic functions and infinite convolutions of exponential and Laplace densities

open access: yes, 2009
We prove that certain quotients of entire functions are characteristic functions. Under some conditions, the probability measure corresponding to a characteristic function of that type has a density which can be expressed as a generalized Dirichlet ...
Ferreiro-Castilla, Albert   +1 more
core  

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