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Spectral enclosures for a class of block operator matrices
(Academic Press Inc Elsevier Science, 2020-01)
We prove new spectral enclosures for the non-real spectrum of a class of 2 X 2 block operator matrices with self-adjoint operators A and D on the diagonal and operators B and -B^* as off-diagonal entries. One of our main ...
Propiedad intelectual en semillas: los dispositivos del cercamiento jurídico en ArgentinaIntellectual property in seeds: the devices of legal enclosure in Argentina
(Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación, 2018-12)
El objetivo de este artículo es examinar la forma en que se expresan los procesos de cercamiento jurídicoen torno a las semillasen Argentina. A partir de análisis bibliográfico, de legislación y de entrevistas a informates ...
Agricultural holdings with undefined boundaries, communal systems and counter-hegemonies: The persistence of peasantry in Argentina
(Blackwell Publishing, 2020-10)
The presence of agricultural holdings with undefined boundaries (AHUBs) and their heterogeneous geographical distribution questions the supposed hegemony of agribusiness in Argentina. Given the lack of defined boundaries, ...
Estudio preliminar de las relaciones tróficas en el plancton de una laguna arreica de la provincia de Buenos Aires: experimentación «in situ»
(Instituto de Limnología Dr. Raúl Ringuelet, 2005-12)
Shallow lakes can present two alternative stable states with or without submerged macrophytes that produce significant structural changes in plankton and nutrient dynamics. The aim of this study is to analyse the changes ...
Aproximación a la funcionalidad de un determinado tipo de recintos presentes en Campo de Pucará (Dtpo. Andalgalá, Catamarca) desde una perspectiva geoarqueológicaFunctionality aproximation of a determined type of enclosure present in Campo de Pucará (Andalgalá dept, Catamarca), from a geoarchaeologic perspective
(Universidad Nacional de Jujuy. Facultad de Humanidades y Ciencias Sociales, 2005-12)
El objetivo de este trabajo es realizar una aproximación a la funcionalidad de un determinado tipo de recintos presnetes en Campo de Pucará. Se partió de la hipótesis que se trataría de corrales. Este trabajo fue abordado ...
Multivariate analyses of the activity pattern and behavior of the lesser anteater on open and closed days at Córdoba Zoo, Argentina
(Routledge Journals, Taylor & Francis Ltd, 2020-07-29)
The human factor is one of the major determinants of animal welfare in zoos. Assessing changes in activity patterns, behavior and space use due to human presence might help understanding visitors’ influence on these animal ...
Design and implementation of an improved chilled water glycol system for GeMS - CANOPUS thermal enclosures
(Society of Photo-Optical Instrumentation Engineers, 2010-07)
CANOPUS is the facility instrument for the Gemini Multi Conjugate Adaptive Optics System (GeMS) wherein all the adaptive optics mechanisms and associated electronic are tightly packed. At an early stage in the pre-commissioning ...
Feeding strategy and prey selectivity in Cnesterodon decemmaculatus and Jenynsia multidentata in experimental enclosures: Importance for the biological control of mosquito populations
(Academic Press Inc Elsevier Science, 2019-05)
Mosquitoes pose a threat to human and animal health due they act as vectors for numerous pathogens and parasites which cause disease. Several methods are used to control mosquito populations. Chemical pesticides can be ...
Suspended mesh-bags enclosures for Southern King Crab Lithodes santolla (Molina 1782) larvae and juvenile culture in the sea
(Elsevier Science, 2018-10)
The potential for using suspended mesh-bags for larval/juvenile southern king crab (Lithodes santolla) aquaculture was assessed. Three early stages (Zoea, Megalopa and first juvenile, or C1) were confined for 45–65 days ...