Results 31 to 40 of about 850,264 (263)

Synopsis of Acanthocerini (Hemiptera, Coreidae) from Argentina [PDF]

open access: yes, 2013
Eight genera and 13 species of the tribe Acanthocerini are recorded in Argentina, i.e., Athaumastus haematicus (Stål), Athaumastus macer Brailovsky, Athaumastus subcarinatus (Stål), Athaumastus subterlineatus Bergroth, Beutelspacoris sanchezi Brailovsky,
Amyot   +49 more
core   +4 more sources

Protein Repeats from First Principles [PDF]

open access: yes, 2016
Some natural proteins display recurrent structural patterns. Despite being highly similar at the tertiary structure level, repeating patterns within a single repeat protein can be extremely variable at the sequence level. We use a mathematical definition
Becher, Veronica Andrea   +4 more
core   +1 more source

Memoria correspondiente al año 1910 [PDF]

open access: yes, 1911
Exemplar propietat del Museu Darder de ...
Junta Municipal de Ciencias Naturales de Barcelona
core  

The spatio-temporal distribution patterns of biting midges of the genus Culicoides in Salta province, Argentina [PDF]

open access: yes, 2012
The goal of this survey was to analyze the spatio-temporal distribution patterns of Culicoides Latreille species (Diptera: Ceratopogonidae) and their relationship with environmental variables in Salta, northwestern Argentina.
Dantur Juri, Maria Julia   +4 more
core   +2 more sources

Museo Nacional de Ciencias Naturales [PDF]

open access: yes, 2007
Plano tridimensional del Museo Nacional de Ciencias Naturales (MNCN) en 2007, con la presentación de algunas colecciones permanentes.Peer ...
CSIC - Museo Nacional de Ciencias Naturales (MNCN)
core  

Nidificación inusual del Loro Barranquero (Cyanoliseus patagonus) en cavidades naturales de árboles [PDF]

open access: yes, 2018
The Burrowing Parrot Cyanoliseus patagonus is known to breed in burrows mostly on cliffs and ravines in arid or semi‐arid regions of Argentina and Chile.
Berkunsky, Igor   +4 more
core  

An optimality criterion to determine areas of endemism [PDF]

open access: yes, 2002
A formal method was developed to determine areas of endemism. The study region is divided into cells, and the number of species that can be considered as endemic is counted for a given set of cells (= area).
Chalup, Adriana Elizabeth   +3 more
core   +1 more source

Una educación para el desarrollo sostenible: un aporte desde las ciencias

open access: yesRevista de Enseñanza de la Física, 2010
El encuentro realizado en Buenos Aires, en la sede del Colegio El Salvador y de la Facultad de Ciencias Exactas y Naturales, fue organizado por la Oficina regional de Educación para América Latina y el Caribe (OREALC), junto con la Red ...
Sonia Concari
doaj  

Geografía Física o Ciencias Naturales [PDF]

open access: yesInvestigaciones Geográficas, 2001
La reflexión sobre las disciplinas científicas es fundamental para el avance del saber. Sin la duda, no hay avance científico. En este artículo se reflexiona sobre los conceptos de geografía y geografía física. A partir de una visión antropocéntrica de la geografía —la única posible— se presentan ideas básicas sobre los contenidos, métodos de trabajo y
openaire   +3 more sources

Structured and Unstructured Binding of an Intrinsically Disordered Protein as Revealed by Atomistic Simulations [PDF]

open access: yes, 2016
Intrinsically disordered proteins (IDPs) are a set of proteins that lack a definite secondary structure in solution. IDPs can acquire tertiary structure when bound to their partners; therefore, the recognition process must also involve protein folding ...
Ithuralde, Raúl Esteban   +2 more
core   +1 more source

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