Results 61 to 70 of about 321,388 (208)

Magnetic fields in supernova remnants and pulsar-wind nebulae

open access: yes, 2011
We review the observations of supernova remnants (SNRs) and pulsar-wind nebulae (PWNe) that give information on the strength and orientation of magnetic fields.
A. Bamba   +125 more
core   +1 more source

New insights into the classification and nomenclature of cortical GABAergic interneurons. [PDF]

open access: yes, 2013
A systematic classification and accepted nomenclature of neuron types is much needed but is currently lacking. This article describes a possible taxonomical solution for classifying GABAergic interneurons of the cerebral cortex based on a novel, web ...
A Karagiannis   +82 more
core   +3 more sources

Learning from Morella: the memory of the urban form and the dialogical-historical approach in the contemporary design [PDF]

open access: yes, 2017
From the dialogical models defended by Mijai´l Bajti´n (Bakhtin 1982), GIRAS Research Group has analyzed for years the historical urban form and architecture, trying to clarify how the architect can at the same time, innovate and preserve, understanding ...
Beltran Borràs, Júlia
core  

A reappraisal of the Italian record of the Cretaceous pachycormid fish Protosphyraena Leidy, 1857 [PDF]

open access: yes, 2017
The genus Protosphyraena is known mainly from partial remains, consisting of isolated blade-like teeth, conical rostra and scythe-like pectoral fins. This paper provides a new insight into partial specimens of the genus Protosphyraena from the Cretaceous
Amalfitano, Jacopo   +3 more
core   +3 more sources

Geomorphological processes on terrestrial planetary surfaces [PDF]

open access: yes, 1980
This review deals with features and processes on planetary surfaces, first by examining the impact of photographic explorations of Moon, Mars, and Mercury on studies of surface processes on our own planet, and second by treating matters related to ...
Sharp, Robert P.
core   +1 more source

G7.7-3.7: a young supernova remnant probably associated with the guest star in 386 CE (SN 386)

open access: yes, 2018
Although the Galactic supernova rate is about 2 per century, only few supernova remnants are associated with historical records. There are a few ancient Chinese records of "guest stars" that are probably sightings of supernovae for which the associated ...
Domcek, Vladimir   +3 more
core   +1 more source

Ablaut and neo-ablaut in Baltic and Indo-European

open access: yesBaltistica, 2018
It is often assumed that PIE ablaut, used as a sub-morpheme accompanying other morphemes, tends to recede over time in the history of the individual Indo-European languages.
Daniel Petit
doaj   +1 more source

Natural variability of lotic Mediterranean ecosystems or wildfire perturbations: who will win? [PDF]

open access: yes, 2012
This study evaluates the impacts of wildfires in lotic Mediterranean ecosystems. It was carried out at Monchique ridge after big wildfires occurred during 2002 and 2003.
Caraça, Rute   +6 more
core  

The historical morphology of definiteness in Baltic [PDF]

open access: yesIndo-European Linguistics, 2018
Abstract The history of the definite adjective in Baltic has been the object of a considerable tradition of research. Most studies approach the problem from an angle which emphasizes the prehistory of the construction and its deeper genealogical ties as well as structurally comparable constructions in neighboring languages.
openaire   +1 more source

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