Results 11 to 20 of about 389,954 (258)

Bound states in the continuum driven by AC fields [PDF]

open access: yes, 2013
We report the formation of bound states in the continuum driven by AC fields. This system consists of a quantum ring connected to two leads. An AC side-gate voltage controls the interference pattern of the electrons passing through the system.
Domínguez-Adame, F.   +2 more
core   +2 more sources

Initial Optical Results for the ChaMPlane Survey [PDF]

open access: yes, 2002
We provide a brief description of the optical survey being conducted under the NOAO Long Term Surveys program in support of the Chandra Multiwavelength Plane (ChaMPlane) Survey (see paper by Grindlay et al. in this Volume).
Cohn, Haldan   +7 more
core   +2 more sources

Primer registro fotográfico de Tremarctos ornatus (Carnivora: Ursidae) y de Puma concolor (Carnivora: Felidae) en el Parque Nacional Natural Tamá, Norte de Santander, Colombia

open access: yesMammalogy Notes, 2014
El oso andino (Tremarctos ornatus) y el puma (Puma concolor) son mamíferos representativos de los ecosistemas andinos colombianos. El oso se  distribuye en gran parte de los Andes, desde Venezuela y Colombia hasta Bolivia y Argentina, ocupando variados ...
Carlos H. Cáceres-Martínez   +1 more
doaj   +1 more source

Lepton anomalous magnetic moments - a theory update [PDF]

open access: yes, 1998
Standard Model contributions to the electron, muon, and tau lepton anomalous magnetic moments, a_l=(g_l-2)/2, are reviewed and updated. The fine structure constant is obtained from the electron g_e-2 and used to refine the QED contribution to the muon ...
Alemany   +66 more
core   +3 more sources

ASCA Slew Survey [PDF]

open access: yes, 2002
We are systematically analyzing ASCA GIS data taken during the satellite attitude maneuver operation. Our motivation is to search for serendipitous hard X-ray sources and make the ASCA Slew Survey catalog. During its operational life from 1993 February
Ebisawa, Ken, Fujimoto, R., Ueda, Y.
core   +2 more sources

Pseudoescorpiones (Arachnida: Pseudoscorpiones) del nororiente andino de Colombia

open access: yesBiota Colombiana, 2017
Se realizó una evaluación de la diversidad de pseudoescorpiones en la región Andina nororiental de Colombia. Se revisó la colección aracnológica del Instituto de Ciencias Naturales y se efectuaron muestreos en tres sitios de los departamentos de ...
Catalina Romero-Ortiz
doaj   +5 more sources

Density-Dependent Prevalence of Francisella tularensis in Fluctuating Vole Populations, Northwestern Spain [PDF]

open access: yes, 2017
Self Archiving; https://wwwnc.cdc.gov/eid/page/copyright-and-disclaimers J.J.L.L., F.M., and R.R.P. held official licenses for trapping wildlife in Spain. Capture permits were provided by the Dirección General del Medio Natural, Junta de Castilla y León.
Anda, Pedro   +9 more
core   +4 more sources

Competitividad turística de los municipios Málaga, Capitanejo, Concepción y San Andrés de la provincia García Rovira

open access: yesI+D Revista de Investigaciones, 2019
En el documento se analiza la competitividad del sector turismo en los municipios de Málaga, Capitanejo, Concepción y San Andrés de la provincia García Rovira del departamento de Santander, identificando sus atractivos turísticos, potencial y estado de ...
Wendy Carolina Jiménez   +2 more
doaj   +1 more source

A window to the Galactic X-ray halo: The ISM towards the Lockman hole [PDF]

open access: yes, 2002
We present a combined X-ray/HI-analysis of the ISM towards the Lockman hole. This sky region is considered as the "window to the distant universe" because of its absolute lowest HI column density on the whole sky.
Kappes, M., Kerp, J.
core   +2 more sources

Documentos sobre la historia de Colombia existentes en el Museo Británico de Londres (Segunda parte)

open access: yesAnuario Colombiano de Historia Social y de la Cultura, 1976
Los documentos van desde 1564, en que don Esteban de las Alas deja por tierra Cartagena, hasta 1898, en que don Miguel Antonio Caro versifica en latín.
Antonio Vittorino
doaj   +2 more sources

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