Indexados Scopus: Envíos recientes

Mostrando ítems 801-820 de 1632

    • Effect of sediment management decision on a hydropower plant value [Incidencia de la decisión de manejo de sedimentos en el valor de una central hidroeléctrica] 

      Polanco J.A.; Ramírez-Atehortúa F.H.; Montes-Gómez L.F.; Botero-Hernández B.A.; Barco M.O.
      Sedimentation reduces the useful life of reservoirs and the value of hydropower plants. The aim is to determine the effect of sediment management decisions on the value of a plant. First, management alternatives are ranked ...

    • Do sustainability practices influence university quality? A Colombian case study 

      Hernandez-Diaz P.M.; Polanco J.-A.; Castaño S.M.
      Purpose: This paper aims to know how university’s strategic managers, from botacademic and administrative systems, perceive the relationship between sustainability and accreditation as sustainability incorporation and the ...

    • Distribution of chemical forms of mercury in sediments from abandoned ponds created during former gold mining operations in Colombia 

      Gutiérrez-Mosquera H.; Marrugo-Negrete J.; Díez S.; Morales-Mira G.; Montoya-Jaramillo L.J.; Jonathan M.P.
      Total mercury (THg) and methylmercury (MeHg) were studied in sediments from 27 abandoned gold mining ponds (AGMPs) through small-scale artisanal gold mining in the district of San Juan in Chocó region of Colombia. The AGMPs ...

    • Direct measurement of the muonic content of extensive air showers between 2× 1017 and 2×1018 eV at the Pierre Auger Observatory 

      Aab A.; Abreu P.; Aglietta M.; Albury J.M.; Allekotte I.; Almela A.; Alvarez Castillo J.; Alvarez-Muñiz J.; Anastasi G.A.; Anchordoqui L.; Andrada B.; Andringa S.; Aramo C.; Araújo Ferreira P.R.; Asorey H.; Assis P.; Avila G.; Badescu A.M.; Bakalova A.; Balaceanu A.; Barbato F.; Barreira Luz R.J.; Becker K.H.; Bellido J.A.; Berat C.; Bertaina M.E.; Bertou X.; Biermann P.L.; Bister T.; Biteau J.; Blanco A.; Blazek J.; Bleve C.; Boháčová M.; Boncioli D.; Bonifazi C.; Bonneau Arbeletche L.; Borodai N.; Botti A.M.; Brack J.; Bretz T.; Briechle F.L.; Buchholz P.; Bueno A.; Buitink S.; Buscemi M.; Caballero-Mora K.S.; Caccianiga L.; Calcagni L.; Cancio A.; Canfora F.; Caracas I.; Carceller J.M.; Caruso R.; Castellina A.; Catalani F.; Cataldi G.; Cazon L.; Cerda M.; Chinellato J.A.; Choi K.; Chudoba J.; Chytka L.; Clay R.W.; Cobos Cerutti A.C.; Colalillo R.; Coleman A.; Coluccia M.R.; Conceição R.; Condorelli A.; Consolati G.; Contreras F.; Convenga F.; Covault C.E.; Dasso S.; Daumiller K.; Dawson B.R.; Day J.A.; de Almeida R.M.; de Jesús J.; de Jong S.J.; De Mauro G.; de Mello Neto J.R.T.; De Mitri I.; de Oliveira J.; de Oliveira Franco D.; de Souza V.; Debatin J.; del Río M.; Deligny O.; Dhital N.; Di Matteo A.; Díaz Castro M.L.; Dobrigkeit C.; D’Olivo J.C.; Dorosti Q.; dos Anjos R.C.; Dova M.T.; Ebr J.; Engel R.; Epicoco I.; Erdmann M.; Escobar C.O.; Etchegoyen A.; Falcke H.; Farmer J.; Farrar G.; Fauth A.C.; Fazzini N.; Feldbusch F.; Fenu F.; Fick B.; Figueira J.M.; Filipčič A.; Freire M.M.; Fujii T.; Fuster A.; Galea C.; Galelli C.; García B.; Garcia Vegas A.L.; Gemmeke H.; Gesualdi F.; Gherghel-Lascu A.; Ghia P.L.; Giaccari U.; Giammarchi M.; Giller M.; Glombitza J.; Gobbi F.; Golup G.; Gómez Berisso M.; Gómez Vitale P.F.; Gongora J.P.; González N.; Goos I.; Góra D.; Gorgi A.; Gottowik M.; Grubb T.D.; Guarino F.; Guedes G.P.; Guido E.; Hahn S.; Halliday R.; Hampel M.R.; Hansen P.; Harari D.; Harvey V.M.; Haungs A.; Hebbeker T.; Heck D.; Hill G.C.; Hojvat C.; Hörandel J.R.; Horvath P.; Hrabovský M.; Huege T.; Hulsman J.; Insolia A.; Isar P.G.; Johnsen J.A.; Jurysek J.; Kääpä A.; Kampert K.H.; Keilhauer B.; Kemp J.; Klages H.O.; Kleifges M.; Kleinfeller J.; Köpke M.; Kukec Mezek G.; Lago B.L.; LaHurd D.; Lang R.G.; Leigui de Oliveira M.A.; Lenok V.; Letessier-Selvon A.; Lhenry-Yvon I.; Lo Presti D.; Lopes L.; López R.; López Casado A.; Lorek R.; Luce Q.; Lucero A.; Machado Payeras A.; Malacari M.; Mancarella G.; Mandat D.; Manning B.C.; Manshanden J.; Mantsch P.; Mariazzi A.G.; Mariş I.C.; Marsella G.; Martello D.; Martinez H.; Martínez Bravo O.; Mastrodicasa M.; Mathes H.J.; Matthews J.; Matthiae G.; Mayotte E.; Mazur P.O.; Medina-Tanco G.; Melo D.; Menshikov A.; Merenda K.-D.; Michal S.; Micheletti M.I.; Miramonti L.; Mockler D.; Mollerach S.; Montanet F.; Morello C.; Mostafá M.; Müller A.L.; Muller M.A.; Müller S.; Mussa R.; Muzio M.; Namasaka W.M.; Nellen L.; Niculescu-Oglinzanu M.; Niechciol M.; Nitz D.; Nosek D.; Novotny V.; Nožka L.; Nucita A.; Núñez L.A.; Palatka M.; Pallotta J.; Panetta M.P.; Papenbreer P.; Parente G.; Parra A.; Pech M.; Pedreira F.; Pȩkala J.; Pelayo R.; Peña-Rodriguez J.; Perez Armand J.; Perlin M.; Perrone L.; Peters C.; Petrera S.; Pierog T.; Pimenta M.; Pirronello V.; Platino M.; Pont B.; Pothast M.; Privitera P.; Prouza M.; Puyleart A.; Querchfeld S.; Rautenberg J.; Ravignani D.; Reininghaus M.; Ridky J.; Riehn F.; Risse M.; Ristori P.; Rizi V.; Rodrigues de Carvalho W.; Rodriguez Rojo J.; Roncoroni M.J.; Roth M.; Roulet E.; Rovero A.C.; Ruehl P.; Saffi S.J.; Saftoiu A.; Salamida F.; Salazar H.; Salina G.; Sanabria Gomez J.D.; Sánchez F.; Santos E.M.; Santos E.; Sarazin F.; Sarmento R.; Sarmiento-Cano C.; Sato R.; Savina P.; Schäfer C.; Scherini V.; Schieler H.; Schimassek M.; Schimp M.; Schlüter F.; Schmidt D.; Scholten O.; Schovánek P.; Schröder F.G.; Schröder S.; Sciutto S.J.; Scornavacche M.; Shellard R.C.; Sigl G.; Silli G.; Sima O.; Šmída R.; Sommers P.; Soriano J.F.; Souchard J.; Squartini R.; Stadelmaier M.; Stanca D.; Stanič S.; Stasielak J.; Stassi P.; Streich A.; Suárez-Durán M.; Sudholz T.; Suomijärvi T.; Supanitsky A.D.; Šupík J.; Szadkowski Z.; Taboada A.; Taborda O.A.; Tapia A.; Timmermans C.; Tobiska P.; Todero Peixoto C.J.; Tomé B.; Torralba Elipe G.; Travaini A.; Travnicek P.; Trimarelli C.; Trini M.; Tueros M.; Ulrich R.; Unger M.; Urban M.; Vaclavek L.; Valdés Galicia J.F.; Valiño I.; Valore L.; van Vliet A.; Varela E.; Vargas Cárdenas B.; Vásquez-Ramírez A.; Veberič D.; Ventura C.; Vergara Quispe I.D.; Verzi V.; Vicha J.; Villaseñor L.; Vink J.; Vorobiov S.; Wahlberg H.; Watson A.A.; Weber M.; Weindl A.; Wiencke L.; Wilczyński H.; Winchen T.; Wirtz M.; Wittkowski D.; Wundheiler B.; Yushkov A.; Zapparrata O.; Zas E.; Zavrtanik D.; Zavrtanik M.; Zehrer L.; Zepeda A.; Ziolkowski M.; Zuccarello F.; The Pierre Auger Collaboration
      The hybrid design of the Pierre Auger Observatory allows for the measurement of the properties of extensive air showers initiated by ultra-high energy cosmic rays with unprecedented precision. By using an array of prototype ...

    • Diels-Alder Reactivity of a Chiral Anthracene Template with Symmetrical and Unsymmetrical Dienophiles: A DFT Study 

      Hernández-Mancera J.P.; Núñez-Zarur F.; Vivas-Reyes R.
      In this work, we used Density Functional Theory calculations to assess the factors that control the reactivity of a chiral anthracene template with three sets of dienophiles including maleic anhydrides, maleimides and ...

    • Digital connectivity as a fundamental right in Colombia [LA CONECTIVIDAD DIGITAL COMO DERECHO FUNDAMENTAL EN COLOMBIA] 

      Tamayo J.F.R.; Agudelo D.S.G.
      Purpose - The objective of this article is to establish whether digital connectivity meets the criteria required by Colombian constitutionalism to be considered as a fundamental right, specifically in relation to access ...

    • Diels-Alder reaction mechanisms of substituted chiral anthracene: A theoretical study based on the reaction force and reaction electronic flux 

      Hernández Mancera J.P.; Núñez-Zarur F.; Gutiérrez-Oliva S.; Toro-Labbé A.; Vivas-Reyes R.
      Quantum chemical calculations were used to study the mechanism of Diels-Alder reactions involving chiral anthracenes as dienes and a series of dienophiles. The reaction force analysis was employed to obtain a detailed ...

    • Developments in accounting and treasury functions in public educational institutions in the Municipality of Medellín, Colombia, since 1976 

      Quintero D.P.
      This article examines the official educational institutions in the Municipality of Medellín, focusing on their accounting and budget management and observing their normative development from 1976 to June 2018. The importance ...

    • Data fusion and information quality for biometric identification from multimodal signals [Modelo jdl y calidad de la información para identificación biométrica a partir de señales multimodales: Estudio exploratorio] 

      Becerra M.A.; Lasso-Arciniegas L.; Viveros A.; Serna-Guarín L.; Peluffo-Ordóñez D.; Tobón C.
      Biometric identification is carried out by processing physiological traits and signals. Biometrics systems are an open field of research and development, since they are permanently susceptible to attacks demanding permanent ...

    • Data for wetlandscapes and their changes around the world 

      Ghajarnia N.; Destouni G.; Thorslund J.; Kalantari Z.; Ahlén I.; Anaya-Acevedo J.A.; Blanco-Libreros J.F.; Borja S.; Chalov S.; Chalova A.; Chun K.P.; Clerici N.; Desormeaux A.; Garfield B.B.; Girard P.; Gorelits O.; Hansen A.; Jaramillo F.; Jarsjö J.; Labbaci A.; Livsey J.; Maneas G.; Pisarello K.M.; Palomino-Ángel S.; Pietroń J.; Price R.M.; Rivera-Monroy V.H.; Salgado J.; Britta K. Sannel A.; Seifollahi-Aghmiuni S.; Sjöberg Y.; Terskii P.; Vigouroux G.; Licero-Villanueva L.; Zamora D.
      <p>Geography and associated hydrological, hydroclimate and land-use conditions and their changes determine the states and dynamics of wetlands and their ecosystem services. The influences of these controls are not limited ...

    • Development of a financial software for the simulation of investment portfolios in the colombian capital market [Desarrollo de un software financiero para la simulación de portafolios de inversión en el mercado de capitales colombiano] 

      Arango M.; Rios J.; Montiel C.; Luna E.
      In the context of Revolution 4.0 influenced by the digitalization of most economic and social production processes, education cannot be kept out of the way; In this line, financial knowledge is an area that businessmen, ...

    • Critical Hydrogen Coverage Effect on the Hydrogenation of Ethylene Catalyzed by δ-MoC(001): An Ab Initio Thermodynamic and Kinetic Study 

      Jimenez-Orozco C.; Flórez E.; Viñes F.; Rodriguez J.A.; Illas F.
      The molecular mechanism of ethylene (C2H4) hydrogenation on a δ-MoC(001) surface has been studied by periodic density functional theory methods. Activation energy barriers and elementary reaction rates have been calculated ...

    • Dangling-to-Interstitial Oxygen Transition and Its Modifications of the Electronic Structure in Few-Layer Phosphorene 

      Gómez-Pérez J.F.; Correa J.D.; Pravda C.B.; Kónya Z.; Kukovecz Á.
      In this work, oxidation processes are correlated with the current-voltage characteristics of few-layer black phosphorus obtained by liquid-phase exfoliation. Black phosphorous (BP), a room-temperature p-type semiconductor, ...

    • Cosmic-Ray Anisotropies in Right Ascension Measured by the Pierre Auger Observatory 

      Aab A.; Abreu P.; Aglietta M.; Albuquerque I.F.M.; Albury J.M.; Allekotte I.; Almela A.; Castillo J.A.; Alvarez-Muiz J.; Anastasi G.A.; Anchordoqui L.; Andrada B.; Andringa S.; Aramo C.; Ferreira P.R.A.; Asorey H.; Assis P.; Avila G.; Badescu A.M.; Bakalova A.; Balaceanu A.; Barbato F.; Luz R.J.B.; Becker K.H.; Bellido J.A.; Berat C.; Bertaina M.E.; Bertou X.; Biermann P.L.; Bister T.; Biteau J.; Blanco A.; Blazek J.; Bleve C.; Boháčová M.; Boncioli D.; Bonifazi C.; Arbeletche L.B.; Borodai N.; Botti A.M.; Brack J.; Bretz T.; Briechle F.L.; Buchholz P.; Bueno A.; Buitink S.; Buscemi M.; Caballero-Mora K.S.; Caccianiga L.; Calcagni L.; Cancio A.; Canfora F.; Caracas I.; Carceller J.M.; Caruso R.; Castellina A.; Catalani F.; Cataldi G.; Cazon L.; Cerda M.; Chinellato J.A.; Choi K.; Chudoba J.; Chytka L.; Clay R.W.; Cerutti A.C.C.; Colalillo R.; Coleman A.; Coluccia M.R.; Conceica&cedil;õ R.; Condorelli A.; Consolati G.; Contreras F.; Convenga F.; Covault C.E.; Dasso S.; Daumiller K.; Dawson B.R.; Day J.A.; De Almeida R.M.; De Jesús J.; De Jong S.J.; De Mauro G.; De Mello Neto J.R.T.; De Mitri I.; De Oliveira J.; De Oliveira Franco D.; De Souza V.; Debatin J.; Del Rió M.; Deligny O.; Dhital N.; Di Matteo A.; Castro M.L.D.; Dobrigkeit C.; D'Olivo J.C.; Dorosti Q.; Dos Anjos R.C.; Dova M.T.; Ebr J.; Engel R.; Epicoco I.; Erdmann M.; Escobar C.O.; Etchegoyen A.; Falcke H.; Farmer J.; Farrar G.; Fauth A.C.; Fazzini N.; Feldbusch F.; Fenu F.; Fick B.; Figueira J.M.; Filipčič A.; Freire M.M.; Fujii T.; Fuster A.; Galea C.; Galelli C.; Garciá B.; Vegas A.L.G.; Gemmeke H.; Gesualdi F.; Gherghel-Lascu A.; Ghia P.L.; Giaccari U.; Giammarchi M.; Giller M.; Glombitza J.; Gobbi F.; Golup G.; Berisso M.G.; Vitale P.F.G.; Gongora J.P.; González N.; Goos I.; Góra D.; Gorgi A.; Gottowik M.; Grubb T.D.; Guarino F.; Guedes G.P.; Guido E.; Hahn S.; Halliday R.; Hampel M.R.; Hansen P.; Harari D.; Harvey V.M.; Haungs A.; Hebbeker T.; Heck D.; Hill G.C.; Hojvat C.; Hörandel J.R.; Horvath P.; Hrabovský M.; Huege T.; Hulsman J.; Insolia A.; Isar P.G.; Johnsen J.A.; Jurysek J.; Kaä&die;pä A.; Kampert K.H.; Keilhauer B.; Kemp J.; Klages H.O.; Kleifges M.; Kleinfeller J.; Köpke M.; Mezek G.K.; Awad A.K.; Lago B.L.; Lahurd D.; Lang R.G.; Leigui De Oliveira M.A.; Lenok V.; Letessier-Selvon A.; Lhenry-Yvon I.; Presti D.L.; Lopes L.; López R.; Casado A.L.; Lorek R.; Luce Q.; Lucero A.; Payeras A.M.; Malacari M.; Mancarella G.; Mandat D.; Manning B.C.; Manshanden J.; Mantsch P.; Mariazzi A.G.; Mariş I.C.; Marsella G.; Martello D.; Martinez H.; Bravo O.M.; Mastrodicasa M.; Mathes H.J.; Matthews J.; Matthiae G.; Mayotte E.; Mazur P.O.; Medina-Tanco G.; Melo D.; Menshikov A.; Merenda K.-D.; Michal S.; Micheletti M.I.; Miramonti L.; Mockler D.; Mollerach S.; Montanet F.; Morello C.; Morlino G.; Mostafá M.; Müller A.L.; Muller M.A.; Müller S.; Mussa R.; Muzio M.; Namasaka W.M.; Nellen L.; Niculescu-Oglinzanu M.; Niechciol M.; Nitz D.; Nosek D.; Novotny V.; Nožka L.; Nucita A.; Núez L.A.; Palatka M.; Pallotta J.; Panetta M.P.; Papenbreer P.; Parente G.; Parra A.; Pech M.; Pedreira F.; Pkala J.; Pelayo R.; Pea-Rodriguez J.; Pereira L.A.S.; Armand J.P.; Perlin M.; Perrone L.; Peters C.; Petrera S.; Pierog T.; Pimenta M.; Pirronello V.; Platino M.; Pont B.; Pothast M.; Privitera P.; Prouza M.; Puyleart A.; Querchfeld S.; Rautenberg J.; Ravignani D.; Reininghaus M.; Ridky J.; Riehn F.; Risse M.; Ristori P.; Rizi V.; Carvalho W.R.D.; Rojo J.R.; Roncoroni M.J.; Roth M.; Roulet E.; Rovero A.C.; Ruehl P.; Saffi S.J.; Saftoiu A.; Salamida F.; Salazar H.; Salina G.; Gomez J.D.S.; Sánchez F.; Santos E.M.; Santos E.; Sarazin F.; Sarmento R.; Sarmiento-Cano C.; Sato R.; Savina P.; Schäfer C.; Scherini V.; Schieler H.; Schimassek M.; Schimp M.; Schlüter F.; Schmidt D.; Scholten O.; Schovánek P.; Schröder F.G.; Schröder S.; Sciutto S.J.; Scornavacche M.; Shellard R.C.; Sigl G.; Silli G.; Sima O.; Šmída R.; Sommers P.; Soriano J.F.; Souchard J.; Squartini R.; Stadelmaier M.; Stanca D.; Stanič S.; Stasielak J.; Stassi P.; Streich A.; Suárez-Durán M.; Sudholz T.; Suomijärvi T.; Supanitsky A.D.; Šupík J.; Szadkowski Z.; Taboada A.; Taborda O.A.; Tapia A.; Timmermans C.; Tobiska P.; Peixoto C.J.T.; Tomé B.; Elipe G.T.; Travaini A.; Travnicek P.; Trimarelli C.; Trini M.; Tueros M.; Ulrich R.; Unger M.; Urban M.; Vaclavek L.; Galicia J.F.V.; Valio I.; Valore L.; Van Vliet A.; Varela E.; Cárdenas B.V.; Vásquez-Ramírez A.; Veberič D.; Ventura C.; Quispe I.D.V.; Verzi V.; Vicha J.; Villaseor L.; Vink J.; Vorobiov S.; Wahlberg H.; Watson A.A.; Weber M.; Weindl A.; Wiencke L.; Wilczyński H.; Winchen T.; Wirtz M.; Wittkowski D.; Wundheiler B.; Yushkov A.; Zas E.; Zavrtanik D.; Zavrtanik M.; Zehrer L.; Zepeda A.; Ziolkowski M.; Zuccarello F.
      We present measurements of the large-scale cosmic-ray (CR) anisotropies in R.A., using data collected by the surface detector array of the Pierre Auger Observatory over more than 14 yr. We determine the equatorial dipole ...

    • Comprenhensive reparation as a prevailing principle in the responsability of the state –a perspective based on the constitutional court and the Colombian council of state case-law- [La reparación integral como principio prevalente en la responsabilidad del estado –una visión a partir de la jurisprudencia de la corte constitucional y del consejo de estado Colombiano–] 

      Moreno D.G.; Giraldo L.D.P.; Carvajal D.M.R.
      This paper addresses comprehensive reparation as a fundamental right and guiding principle in civil and State liability so that it is taken into account in a prevalent manner when assessing material and immaterial damages ...

    • Characterization of titanium powders processed in n-hexane by high-energy ball milling 

      Restrepo A.H.; Ríos J.M.; Arango F.; Correa E.; Zuleta A.A.; Valencia-Escobar A.; Bolivar F.J.; Castaño J.G.; Echeverría F.E.
      The effect of speed and milling time on the morphology, crystallite size, and phase composition of Ti Cp powders processed in n-hexane by high-energy ball milling (HEBM) using a E-max Retsch equipment was studied by scanning ...

    • Comparison of geometric and experimental models for the assessment of the runout and deposition height of a debris flow in cohesive soils 

      Hurtado M.I.; Vega J.A.; Hidalgo C.A.
      The objective of this paper is to validate if one dimensional runout and height deposition prediction models are suitable for large-scale landslides (debris flows in cohesive soils) based on a small-laboratory-scale test, ...

    • Collaborative creation of a reference architecture for the implementation of data service platforms 

      Jiménez E.E.G.; Quintero J.B.; Losada B.M.
      Big Data refers to data set whose volume, velocity, and variety make it difficult to capture, manage and process using conventional technologies and tools. This concept is generating new needs in organizations to allow the ...

    • Combustion of a hydrogen/carbon monoxide/carbon dioxide mixture in hot and diluted streams 

      Cardona-Vargas A.; Valencia D.; Arrieta C.E.; Amell A.
      This work presents an experimental investigation on the combustion behavior of a mixture of hydrogen, carbon monoxide and carbon dioxide in hot and diluted streams, like those obtain under flameless combustion regimes. A ...

    • Challenge-based learning: A ‘entrepreneurship-oriented’ teaching experience 

      Pérez-Sánchez E.O.; Chavarro-Miranda F.; Riano-Cruz J.D.
      Challenge-based Learning (CBL) is a pedagogical approach that actively involves students in a realistic, problematic and meaningful situation related to their environment, which requires defining a challenge and implementing ...