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Aproximadamente 172 registro(s) hasta el momento: (datos)

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Recurso libre

Environment for the simulation of different ACP and error recovery in Distributed Data Bases
Ruscuni, Sebastián - Bertone, Rodolfo Alfredo

Formato:	Articulo, Articulo
Enlaces:	This paper presents an evolution of a simulation environment where situations in which a DDB should maintain data integrity are modeled and implemented. These situations include failures taking place during transactions, and the focus is mainly on the utilization and…
Fecha:	2004-03-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Using boolean circuits for the parallel computation of queries
Gagliardi, Edilma Olinda - Herrera, Norma Edith - Reyes, Nora Susana - Turull Torres, José María

Formato:	Articulo, Articulo
Enlaces:	We present partial results of a research project in which we use boolean circuits as a parallel computation model for the expression of queries to relational databases. For that purpose, we use the well-known equivalence between First Order Logic (FO)…
Fecha:	2004-03-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Taking love seriously: the context of adolescent pregnancy in Colombia, Tomarse el amor en serio: el contexto del embarazo en la adolescencia en Colombia
Cuesta Benjumea, Carmen de la

Formato:	info:eu-repo/semantics/article
Enlaces:	Findings from a qualitative research study of the context of adolescent pregnancy are presented. Participants were 21 pregnant adolescents from Medellín, Colombia, and nearby villages in the region. Data were collected by means of 21 qualitative interviews, and analysis followed…
Fecha:	2011-05-10
Recurso:	RUA Docencia

Recurso libre

Suhrawardī al-Maqtūl, the martyr of Aleppo,
Roxanne D. Marcotte; Institut Français d'Études Arabes, Damasco

Formato:	Peer reviewed article, Artículo revisado por pares
Enlaces:	La vida de Šihāb al-Dīn al-Suhrawardī es oscura. Datos aislados referentes a sus estudios, viajes y contactos se encuentran en breves noticias de los diccionarios biográficos de los siglos XII y XIII. Estas noticias permiten esbozar una biografía de al-…
Fecha:	2001-12-30
Recurso:	Al-Qantara: Revista de estudios Árabes

Recurso libre

Index structures for distributed text databases
Marin Cahiuan, Juan Mauricio

Formato:	Articulo, Articulo
Enlaces:	The Web has became an obiquitous resource for distributed computing making it relevant to investigate new ways of providing efficient access to services available at dedicated sites. Efficiency is an ever-increasing demand which can be only satisfied with the development…
Fecha:	2004-08-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

A hybrid data structure for searching in metric spaces
Herrera, Norma Edith - Reyes, Nora Susana - Chávez, Edgar

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The concept of “approximate” searching has applications in a vast number of fields. Some examples are non-traditional databases (e. g. storing images, fingerprints or audio clips, where the concept of exact search is of no use and we search instead…
Fecha:	2012-09-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

A cryptography method employing a new mathematical paradigm for public keys schemes
Ribeiro, Vinicius Gadis - Weber, Raul Fernando

Formato:	Articulo, Articulo
Enlaces:	blic Keys Schemes usually generate two pairs of keys that bear some mathematical relation-usually, a relation of the field known as Number Theory. Identifying a key from another that is given is a problem of great difficulty. This paper presents…
Fecha:	2004-12-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Identifying cognitive aspects to improve business process reengineering
Martín, Adriana - Cechich, Alejandra

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Knowledge-intensive processes are widely used to recover from errors, handle exceptional cases and complaints, and to improve or adapt a process itself. In this context, evolved Business-Process Reengineering (BPR) techniques are changing to give some answers to this reality. In…
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Using fuzzy sets to analyse personal preferences on groupware tools
Aranda, Gabriela N. - Cechich, Alejandra - Vizcaíno, Aurora - Castro-Schez, José J.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	When stakeholders are geographically distributed communication presents new challenges for software engineering community. In order to improve communication between stakeholders, we have previously proposed to apply learning style models to characterise the way people interact. In this work we enhance…
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

An ontology approach to data integration
Buccella, Agustina - Cechich, Alejandra - Rodríguez Brisaboa, Nieves

Formato:	Articulo, Articulo
Enlaces:	The term Federated Databases refers to the data integration of distributed, autonomous and heterogeneous databases. However, a federation can also include information systems, not only databases. At integrating data, several issues must be addressed. Here, we focus on the problem…
Fecha:	2004-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

The use of medicinal plants by the cultural descendants of African people in Brazil
Albuquerque, Ulysses Paulino de

Formato:	Articulo, Articulo
Enlaces:	Son presentados datos etnobotánicos sobre el uso de plantas por los herederos culturales de los africanos en Brasil. El trabajo de campo fue conducido en la ciudad de Recife, estado de Pernambuco. Se informan los nombres comunes y científicos y…
Fecha:	2008-12-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

Integrating federated information sources through the use of ontologies
Buccella, Agustina - Cechich, Alejandra - Penabad, Miguel R. - Rodriguez, Francisco J. - Brisaboa, Nieves R.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Ontologies serve as a mean to establish a conceptually concise basis for communicating knowledge for many purposes. Within the information integration area, ontologies are useful to solve heterogeneity problems. They provide a set of knowledge terms, including the vocabulary, the…
Fecha:	2012-09-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

The Phycology.Net
Bayerisches Landesamt für Wasserwirtschaft - Botanische Staatssammlung München - University of Bayreuth Department of Mycology

Formato:	Biblioteca virtual
Enlaces:	Descripción completa.
Fecha:	2012-11-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

14.

Development of a relational database management system
Ruiz, Anabel Natalia - Maldonado, Calixto - Martínez Spessot, Cesar Ignacio

Formato:	Articulo, Articulo
Enlaces:	The studies of Relational Data Base Management Systems and Databases constitute nowadays a main tren of investigation in large businesses and universities of the entire world. The creation of a data base engine keeps being a challenge since there are…
Fecha:	2004-05-19
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

Taking advantages of ontology and contexts to determine similarity of data
Buccella, Agustina - Cechich, Alejandra - Rodríguez Brisaboa, Nieves

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Data integration is the process of unifying data sharing some common semantics but are originated from unrelated sources. In our work we consider these sources are autonomous, heterogeneous and they are physically distributed. These three characteristics make the integration task…
Fecha:	2012-10-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

EMTPL and its relation to first order logic
Cobo, María Laura - Falappa, Marcelo Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Time and change are notions that seems unavoidable in some areas of work and investigation, languages that can deal with these notions are necessary. At the same time, methods for a proper time handling are quite complex, mainly because problem’s…
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

An extension of ArgoUML for the incorporation of profiles
Pryor, Jane - Marcos, Claudia A. - Belloni, Edgardo A.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The Unified Modeling Language (UML) is a language for visualizing, specifying, constructing, and documenting the artifacts of a software-intensive system. UML supports the most typical software modeling problems; however, due to the diversity of software development domains, there may be…
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

Fuzzy prolog with default knowledge
Vaucheret, Claudio A.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In omplete information is a problem in many aspe ts of a tual environments. Further- more, in many s enarios the knowledge is not represented in a risp way. It is ommon to nd fuzzy on epts or problems with…
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

Characterizing semantic web services
Moyano, Marcelo - Buccella, Agustina - Cechich, Alejandra - Estevez, Elsa Clara

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Semantic Web is an extension of the current web in which data contained in the web documents are machine-understandable. On the other hand, Web Services provide a new model of the web in which sites exchange dynamic information on demand.
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

20.

Building dynamic WAP applications using UWE
Soto, Ricardo - Rodríguez, Nibaldo - Palma, Wenceslao

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The great advance of the communications and the importance gained by the mobile systems have increased the development of WAP (Wireless Application Protocol) applications, nevertheless at the present time do not exist methodologies specifically designed for the WAP applications development…
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

A very early estimation of software development time and effort using neural networks
Luna, Carlos Daniel - Segovia, Javier - Salvetto, Pedro F. - Martínez, Milton F.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In spite of years of research and development, formal structured estimation of time and effort required to develop a Management Information System (MIS) is still an open problem. Usual estimation techniques applied by now are supported by the not so…
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

22.

IRRI Library: International Rice Research Institute
The International Rice Research Intitute Fiipinas

Formato:	Biblioteca virtual
Enlaces:	Descripción completa.
Fecha:	2012-11-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

23.

Applying aspect oriented technology to relational data bases: The replication case, Tecnología aplicada a aspectos en base de datos relacionales: El caso de replicación
Fernando Asteasuain; Universidad de Buenos Aires - Adeel Javed; University of Central Punjab

Formato:	,
Enlaces:	AbstractDue to aspect-oriented mechanisms explosion, their concepts arrive to distributed systems tackling concepts as security, persistence, or synchronization, especially in middleware approaches. Regarding distributed databases, the research has been focused mainly on object-oriented databases. Based on the great impact of…
Fecha:	2011-06-20
Recurso:	Ingeniería y desarrollo

Recurso libre

24.

Assessing the completeness of biodiversity inventories: an example from Bañados del Este Biosphere Reserve, Uruguay, Evaluando cuán exhaustivos son los inventarios de biodiversidad: un ejemplo de la Reserva de la Biosfera de Bañados del Este, Uruguay
Soutullo Bugallo, Álvaro Alberto

Formato:	info:eu-repo/semantics/article
Enlaces:	Se evaluó el rendimiento de cinco índices no paramétricos de riqueza de especies (ICE, Jack1, Jack2, Chao2 y Bootstrap) utilizando inventarios disponibles para tres grupos de vertebrados dentro de la Reserva de Biósfera Bañados del Este, Uruguay. Los datos utilizados…
Fecha:	2008-06-06
Recurso:	RUA Docencia

Recurso libre

25.

Evolutifon of decision support system architectures: applications to land planning and management in Cuba
Segrera, Saddys - Ponce-Hernandez, Raúl - Arcia, J.

Formato:	Articulo, Articulo
Enlaces:	The main objective of this paper centers on reviewing the evolution of Decision Support System´s (DSS) architectures, particularly as they apply to natural resources. Today it is difficult to conceive the existence of a rural planning automated system that doesn't…
Fecha:	2004-02-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

Estudio preliminar del efecto anti-ulcerogénico del extrato hidroalcólico de las hojas de Aster squamatus en varios modelos de úlcera en ratas, Preliminary studies of anti-ulcerogenic effect of Aster squamatus leaves hydroalcoholic extract on various ulcer models in rats
Ghedini, Paulo César - Almeida, Cybele Esteves - Burger, Marilise Escobar - Bauermann, Liliane de Freitas - Magni, Danieli Valnes - Borgmann, Silvia Helena Miollo

Formato:	Articulo, Articulo
Enlaces:	Se comprobó el efecto antiulcerogénico del extracto crudo hidroalcólico (70%) de las hojas de Aster squamatus (ECH) frente a úlceras inducidas por etanol, indometacina y estrés provocado por el frío. El ECH (500 y 1000mg/kg) redujo el índice de la…
Fecha:	2004-05-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

Sistema automático de adquisición de datos para un medidor de deformación
Espinosa Ramón, Alfonso - Flores Cifuentes, Fernando

Formato:	Article
Enlaces:	El presente artículo describe un sistema de adquisición de datos para un medidor de deformación. Se presenta el análisis del diseño de la circuitería y la programación, los resultados obtenidos y finalmente algunas conclusiones.
Fecha:	2007-05-23
Recurso:	Escuela Politécnica Nacional

Recurso libre

28.

Actividad antinociceptiva de extractos crudos y de atranorina obtenidos a partir del liquen Cladina dendroides (des Abb.) Ahti, Antinociceptive activity of crude extracts and atranorin obtained from the Lichen Cladina dendroides (des Abb.) Ahti
Maia, Maria Bernadete de Sousa - Silva, Nicácio Henrique da - Silva, Elizângela Ferreira da - Catanho, Maria Tereza Janssen - Schuler, Alexandre Ricardo Pereira - Pereira, Eugênia Cristina Gonçalves

Formato:	Articulo, Articulo
Enlaces:	El objeto de este estudio fue el aislamiento y la caracterización de atranorina, uno de los principales constituyentes presentes en Cladina dendroides (des Abb.) y analizar su efecto antinociceptivo. La actividad antinociceptiva fue verificada por medio del ensayo en ratones…
Fecha:	2004-06-04
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

A complete bibliography of interpreting and translation just one click away
Franco Aixelá, Javier

Formato:	info:eu-repo/semantics/article
Enlaces:	The article is a brief presentation of the structure, aims and rationale of BITRA (Bibliography of Interpreting and Translation of Alicante). BITRA is an on-line database which already (November, 2001) comprises more than 8,000 documents and which aspires to cover…
Fecha:	2008-04-29
Recurso:	RUA Docencia

Recurso libre

30.

Fast Most Similar Neighbor (MSN) classifiers for Mixed Data, Clasificadores Rápidos basados en el algoritmo del Vecino más Similar (MSN) para Datos Mezclados
Hernández Rodríguez, Selene - Martínez Trinidad, José Francisco - Carrasco Ochoa, Jesús Ariel

Formato:
Enlaces:	The k nearest neighbor (k-NN) classifier has been extensively used in Pattern Recognition because of its simplicity and its good performance. However, in large datasets applications, the exhaustive k-NN classifier becomes impractical. Therefore, many fast k-NN classifiers have been developed;…
Fecha:	2011-06-29
Recurso:	Revistas UNAM

Recurso libre

31.

Manifesto of interbehavioral psychology, Manifiesto de la psicología interconductual
Kantor, J. R.; Univesidad de Chicago

Formato:	,
Enlaces:	Describes dic nature and development of interbehavioral psychology, with particular reference to its origin, postulation, data, operations, laws, asid implications., Describe la naturaleza y desarrollo de la psicologi’a interconductural, con peticular referencia a su origen, postulación, datos, operaciones, leyes e…
Fecha:	2011-01-27
Recurso:	Revistas UNAM

Recurso libre

32.

Bystander CPR in two Pittsburgh communities, RCP realizada por testigos en dos comunidades de Pittsburgh
Winter, Kathleen

Formato:	info:eu-repo/semantics/article
Enlaces:	A pesar de la reciente disminución de la mortalidad, la enfermedad cardiaca coronaria continúa siendo la principal causa de muerte en EEW. La mayoría de estas muertes ocurren súbitamente y fuera del hospital. Hay evidencias de que la reanimación cardiopulmonar…
Fecha:	2008-04-18
Recurso:	RUA Docencia

Recurso libre

33.

Knowledge-poor approach to constructing word frequency lists, with examples from romance languages
Alexandrov, Mikhail - Blanco Escoda, Xavier - Gelbukh Khan, Alexander Felixovitch - Makagonov, Pavel

Formato:	info:eu-repo/semantics/article
Enlaces:	Las listas de palabras con sus frecuencias se usan ampliamente en muchos procedimientos de agrupamiento y categorización de textos. Usualmente para la compilación de tales listas se usan las aproximaciones basadas en morfología (como el stemmer de Porter) para unir…
Fecha:	2007-09-03
Recurso:	RUA Docencia

Recurso libre

34.

Combining methods for searches in nested metric spaces
Gercek, Hugo - Reyes, Nora Susana - Deco, Claudia - Bender, Cristina - Salvetti, Mariano

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Most search methods in metric spaces assume that the topology of the object collection is reasonably regular. However, there exist nested metric spaces, where objects in the collection can be grouped into clusters or subspaces, in such a way that…
Fecha:	2012-07-18
Recurso:	Unversidad Nacional de La Plata

Recurso libre

35.

Decision support system for seismic risks
Somodevilla, María J. - Nava, Angélica - Pineda, Ivo H. - Priego, Ángeles Belém - Castillo, Esteban

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This paper focuses on prediction and prevention of seismic risk through a system for decision making. Data Warehousing and OLAP operations are applied, together with, data mining tools like association rules, decision trees and clustering to predict aspects such as…
Fecha:	2012-07-18
Recurso:	Unversidad Nacional de La Plata

Recurso libre

36.

Within-signal associations in lacquier-thinner conditioned aversion, Asociaciones intra-señal en la aversión condicionada del tiner
Vila, Javier; Universidad Nacional Autónoma de México - Colotla, Víctor A.; Universidad Nacional Autónoma de México - Miranda, Florencio; Universidad Nacional Autónoma de México - Arzate, Roberto; Universidad Nacional Autónoma de México

Formato:	,
Enlaces:	The present experiment attenmpted to evaluate the formation of associations between elements of an odour-flavour compoundpared with a LiCl injection, in rats. The data obtained show that the aversion produced to the lacquer thinner odour is greater when this is…
Fecha:	2011-06-21
Recurso:	Revistas UNAM

Recurso libre

37.

Ubiquigeneous networking: a distributed networking application over mobile embedded devices
Kohn, Rodolfo - Marrone, Luis Armando

Formato:	Articulo, Revision
Enlaces:	Resumen de la tesis del autor para obtener el grado de Magister en Redes de Datos de la Facultad de Informática de la UNLP, dirigida por Luis Armando Marrone.
Fecha:	2011-09-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

38.

Lib4RI: Library for the Research Institutes within the ETH Domain: Eawag, Empa, PSI & WSL.
Research Institutes within the ETH Domain: Eawag - Empa - PSI & WSL

Formato:	Biblioteca virtual
Enlaces:	Descripción completa.
Fecha:	2012-11-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

39.

A way to evaluate the peculiarities of drug information centers in university hospitals
Silva, Viviane D. M. - Diniz, Rodrigo S. - Egito, E. Sócrates T. - Azevedo, Paulo R. M. - Vidotti, Carlos C.F. - Araújo, Ivonete B.

Formato:	Articulo, Articulo
Enlaces:	The aim of this work was to identify the characteristics of the drug information provided by the Drug Information Center (DIC) of a university hospital. A cross-sectional study was conducted, identifying the profile of information requests (IRs) from January 2008…
Fecha:	2011-06-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

40.

Influence of surfactant structure in the encapsulation and stability of amphotericin B in niosomes
Salerno, Claudia - Chiappetta, Diego A. - Monteagudo, Ezequiel - Bregni, Carlos

Formato:	Articulo, Articulo
Enlaces:	Bilayer vesicles, such as liposomes and niosomes, are widely known as efficient delivery systems for drugs. Spherical vesicles consisting of amphipatic non-ionic surfactants named niosomes are arranged in one or more concentric bilayers. They can entrap both water and oil…
Fecha:	2011-12-19
Recurso:	Unversidad Nacional de La Plata

Recurso libre

41.

E-mail processing with fuzzy SOMs and association rules
Lanzarini, Laura Cristina - Villa Monte, Augusto - Estrebou, César

Formato:	Articulo, Articulo
Enlaces:	E-mail texts are hard to process due to their short length. In this article, the use of a diffuse neural network that is capable of identifying the most relevant terms in a set of e-mails is proposed. The associations between…
Fecha:	2011-03-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

42.

Hazusicg v1.0 : user and technical manual
Molina Palacios, Sergio - Lindholm, Conrad D.

Formato:	info:eu-repo/semantics/workingPaper
Enlaces:	A Matlab-based seismic risk tool has been developed and named HAZUSICG. Obviously this tool is still in development but it can provided damage results for the general building stock of a city or country and also for the essential facilities…
Fecha:	2007-10-29
Recurso:	RUA Docencia

Recurso libre

43.

Multiple Fault Diagnosis in Electrical Power Systems with Dynamic Load Changes Using Probabilistic Neural Networks, Diagnóstico de Fallas Múltiples en Sistemas Eléctricos de Potencia con Cambios de Carga Dinámicos Utilizando Redes Neuronales Probabilísticas
Nieto González, Juan Pablo - Garza Castañón, Luis - Morales Menéndez, Rubén

Formato:
Enlaces:	Power systems monitoring is particularly challenging due to the presence of dynamic load changes in normal operation mode of network nodes, as well as the presence of both continuous and discrete variables, noisy information and lack or excess of data.…
Fecha:	2011-06-29
Recurso:	Revistas UNAM

Recurso libre

44.

A review of the literature on peer reinforcement, Revisión de la literatura sobre reforzamiento administrado por compañeros de clase.
Hernández Guzmán, Laura; Universidad Nacional Autònoma de Mèxico

Formato:	,
Enlaces:	Peer reinforcement in the classroom offers advantages. Research in this area suggests that peer reinforcement can be powerful tool to control nonacademic classroom behaviors. No evidence was found concerning the importance of some variables, such as "popularity" and positive social…
Fecha:	2011-01-27
Recurso:	Revistas UNAM

Recurso libre

45.

Burnout among elementary school teachers and their work performance, Burnout en profesores de primaria y su desempeño laboral
Rionda Arjona, Ariadnne; Facultad de Estudios Superiores Iztacala, UNAM, - Mares Cárdenas, María Guadalupe; Facultad de Estudios Superiores Iztacala, UNAM,

Formato:	articulo empirico, , ,
Enlaces:	Significant levels of the burnout syndrome were encountered in a study of 304 elementaryschool professionals, teaching students at the 8 to 12 year level, in Mexico City, Mexico.A questionnaire containing demographic, employment, and productivity data wasanalyzed and correlated in the…
Fecha:	2011-09-28
Recurso:	Revistas UNAM

Recurso libre

46.

Analyzing the influence of national political and economical factors on the success of public-private partnerships in transport, Análisis de la influencia de la política nacional y factores económicos en el éxito de la asociación entre los sectores públi
Patricia Galilea A.; University College London - Francesca Medda; University College London.

Formato:	,
Enlaces:	AbstractSince the emergence of public-private partnerships (PPPs) in the 1980s, there has been a structural change in the way countries now finance and provide public infrastructure. Although national governments apparently encourage PPPs, and many have succeeded, some others have failed.…
Fecha:	2011-06-20
Recurso:	Ingeniería y desarrollo

Recurso libre

47.

The analogzcal pantograph and the continuous recording of behavíor, El Pantógrafo analógico y el registro continuo de la Conducta
Solano Flores, Guillermo; Universidad Nacional Autónoma de México

Formato:	,
Enlaces:	The analogic pantograpIt is att apparatus wItic/t allows tIte con tinuous recording of any organism’s displacement witItin an experimental environment. Several interesting analyses can be rnade on tIte obtained record wIticIt allow to get more precise and comple¬te infor,nation about…
Fecha:	2011-08-29
Recurso:	Revistas UNAM

Recurso libre

48.

TEORÍA DE LA CONDUCTA: ¿NUEVOS CONCEPTOS O NUEVOS PARÁMETROS?, BEHAVIOR THEORY: NEW CONCEPTS OR NEW PARAMETERS?
Cabrer, Francisco; UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO - Daza, Bertha Cecilia; UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO - Ribes Iñesta, Emilio; UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO

Formato:	,
Enlaces:	Se analiza un conjunte de fenómenos “anómalos” para la teoría de la conducta, come el autnmeldeamientn, el autnmantenimiento, la conducta adjuntiva y el referzamientn no contingente. Se hace incapié en la necesidad de considerar las características físicas del medio experimental,…
Fecha:	2011-09-05
Recurso:	Revistas UNAM

Recurso libre

49.

Simulación numérica del comportamiento elástico del concreto reforzado con fibras cortas de acero en condición plana de esfuerzos, Numerical modelling of elastic behaviour of concrete reinforced with steel short fibres in plane stress conditions
Lamus Fabian ; Universidad Nacional de Colombia - Caicedo Manuel ; Universidad Nacional de Colombia - Linero Dorian ; Universidad Nacional de Colombia

Formato:	, , ,
Enlaces:	Este trabajo describe un modelo numérico implementado en el método de los elementos finitos (Hughes, 2000), el cual permite simular el comportamiento elástico del concreto reforzado con fibras cortas de dirección aleatoria. En estructuras hechas de dicho material cada punto…
Fecha:	2011-05-01
Recurso:	Ingeniería e investigación

Recurso libre

50.

Developing a PQ monitoring system for assessing power quality and critical areas detection, Desarrollo de un sistema de monitoreo de calidad de potencia para la evaluación de calidad de potencia y la detección de zonas críticas
Romero Miguel ; Universidad Nacional de Colombia - Pardo Ricardo ; Universidad Nacional de Colombia - Gallego Luis ; Universidad Nacional de Colombia

Formato:	, , ,
Enlaces:	This paper outlines the development of a power quality monitoring system. The system is aimed at assessing power quality and detecting critical areas throughout at distribution system. Such system integrates a hardware system and a software processing tool developed in…
Fecha:	2011-10-31
Recurso:	Ingeniería e investigación