Results 71 to 80 of about 1,268 (211)

Propuesta de un índice sintético adelantado de desempeño fiscal para el estado de Querétaro

Revista Geon, 2022
Problemática: la presente investigación surge de la necesidad de contar con un índice como instrumento para evaluar el nivel de gestión de las finanzas públicas del estado de Querétaro.
Omar Bautista Hernández
doaj  

Carba‐closo‐dodecaborates as Superchaotropic Anions

Chemistry – A European Journal, EarlyView.
The singly charged boron cluster anion CB11H12– forms strong inclusion complexes with cyclodextrins, interacts strongly with nonionic polymers, and serves as an effective transmembrane carrier, positioning itself as the smallest superchaotropic anion known to date. .
Andrea Barba‐Bon, Guillermo E. Quintero, Maryam Ashjari, Ivana Nikšić‐Franjić, Kai‐Jen Tsung, Xiaojuan Wang, Margarita E. Aliaga, Bohumir Grüner, Werner M. Nau   +8 more
wiley   +1 more source

Régimen de Incorporación Fiscal, cambio poco eficaz en la disminución de la informalidad en las microempresas.

Ciencias Administrativas Teoría y Praxis, 2018
Fiscal Incorporation Regime, ineffective change in reducing informality in microenterprises. Resumen La presente investigación  tiene como objetivo identificar los elementos que dificultan la disminución de la informalidad de las microempresas en ...
Adriana Guadalupe Chávez-Macías, Marìa Guadalupe Díaz-Díaz, Mariel Hernández-Mesta   +2 more
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Assessment of Attainable Distances in Proteins by Through‐Space 19F–19F Couplings

Chemistry – A European Journal, EarlyView.
De novo synthesized difluorinated tryptophan analogues are site‐specifically incorporated into Cyclophilin A (CypA). 19F–19F NOESY build‐up experiments are recorded for each labeled protein, and the distances derived from cross‐relaxation rates are compared to reference distances.
Iker Hernández, In‐Ja L. Byeon, Christina M. Monnie, Vadim A. Soloshonok, Aitor Landa, Mikel Oiarbide, Angela M. Gronenborn   +6 more
wiley   +1 more source

N‐Sulfonyl Azalevoglucosan: A Versatile Platform for the Synthesis of Polysubstituted Piperidines

Chemistry – A European Journal, EarlyView.
Gain by strain: The synthesis of a levoglucosan analog, in which the pyranose oxygen has been replaced by a nitrogen, allows navigation on the piperidine ring to iteratively install functional groups at C1, C2, C3, C4, and C6 positions using simple experimental protocols with minimal protecting group manipulation.
Dylan Yorga, Jérôme Marrot, Ana Poveda, Nicolas Auberger, Jesús Jiménez‐Barbero, Jérôme Désiré, Yves Blériot   +6 more
wiley   +1 more source

Incidencia de la facturación electrónica en la recaudación fiscal del cantón Latacunga, provincia Cotopaxi, Ecuador 2006-2017

UTC Prospectivas: Revista de Ciencias Administrativas y Económicas, 2018
Debido al desconocimiento sobre el aporte que este sistema de facturación ofrece en la recaudación tributaria, la presente investigación analizó la incidencia de la facturación electrónica en la recaudación fiscal en el pago de los contribuyentes del ...
Marlon Rubén Tinajero-Jiménez, Edison Salomón Gavilánez-Gavilánez, Víctor Israel Gavilánez-Gavilánez, Isabel Regina Armas-Heredia   +3 more
doaj   +2 more sources

Vibrational Circular Dichroism Spectra of 2,5‐Diaminoterephtalate Macrocycles Reveal Distant Vibrational Exciton Coupling

Chemistry – A European Journal, EarlyView.
The energy level diagrams for the ν(C═O) and the δ(N─H) vibrations, resulting of combining in‐phase and out‐of‐phase modes on the basis of their local symmetries, was built by applying the exciton coupling theory to a new class of chiral macrocycles, based on the 2,5‐diaminoterephthalate scaffold.
Samara Medina, Krzysztof Nowak, Marek Grzybowski, Juan Casado, Francisco J. Ramírez   +4 more
wiley   +1 more source

One century of teaching, research, and innovation in chemical engineering in Mexico: The role of chemical engineering in the background and future of polymer science and industrial production in Mexico

The Canadian Journal of Chemical Engineering, EarlyView.
Timeline of key academic milestones and individuals that shaped chemical engineering at FQ‐UNAM and in Mexico. Abstract One hundred years after the beginning of the teaching of Chemical Engineering in Mexico, which started in 1925 in the former National School of Chemical Sciences, currently Faculty of Chemistry (FQ) at National Autonomous University ...
Patricia Pérez‐Salinas, Alberto Rosas‐Aburto, Eduardo Vivaldo‐Lima   +2 more
wiley   +1 more source

The Synergy of Green HRM and a Proactive Environmental Strategy in Cultivating Environmental and Financial Performance Through Green Innovation

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study examines how green human resource management (HRM) contributes to environmental and financial performance via green innovation. We develop and test a moderated mediation model in which green product and green process innovation act as parallel mediating mechanisms, while proactive environmental strategy moderates their effectiveness.
Ana Labella‐Fernández, Thomas Van Waeyenberg, Carlos Martínez‐Egea   +2 more
wiley   +1 more source

Estado actual del proceso de descentralización en salud en el departamento de vichada y sus municipios en el año 1998

Revista de la Facultad de Ciencias de la Salud, 1999
Esta investigación describe el estado actual del proceso de descentralización en el departamento de Vichada y sus municipios al año 1998 , a través de la adopción y alcance de los diferentes requisitos de certificación, así como la asunción de ...
Yanneth C. Gjirón Bolívar, Silvia T. Zura Ordoñez.   +1 more
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