Results 11 to 20 of about 574,447 (319)

Armas biológicas [PDF]

open access: yes, 2016
Abordamos el presente trabajo con el objetivo de realizar una revisión bibliográfica que nos permita elaborar un análisis del empleo de armas biológicas tanto en el pasado, es decir, una documentación de la utilización de éstas a lo largo de la historia, quiénes las utilizaban y el porqué de su utilización, dividido en varios periodos; como en el ...
Bruhn Cuevas, Rosa María
openaire   +3 more sources

One-form superfluids and magnetohydrodynamics [PDF]

open access: yes, 2020
We use the framework of generalised global symmetries to study various hydrodynamic regimes of hot electromagnetism. We formulate the hydrodynamic theories with an unbroken or a spontaneously broken U(1) one-form symmetry. The latter of these describes a
Armas, Jay, Jain, Akash
core   +3 more sources

How Fluids Bend: the Elastic Expansion for Higher-Dimensional Black Holes [PDF]

open access: yes, 2013
Hydrodynamics can be consistently formulated on surfaces of arbitrary co-dimension in a background space-time, providing the effective theory describing long-wavelength perturbations of black branes. When the co-dimension is non-zero, the system acquires
Armas, Jay
core   +2 more sources

Blackfolds, Plane Waves and Minimal Surfaces [PDF]

open access: yes, 2015
Minimal surfaces in Euclidean space provide examples of possible non-compact horizon geometries and topologies in asymptotically flat space-time. On the other hand, the existence of limiting surfaces in the space-time provides a simple mechanism for ...
Armas, Jay, Blau, Matthias
core   +2 more sources

Constraints on the effective fluid theory of stationary branes [PDF]

open access: yes, 2014
We develop further the effective fluid theory of stationary branes. This formalism applies to stationary blackfolds as well as to other equilibrium brane systems at finite temperature.
Armas, Jay, Harmark, Troels
core   +2 more sources

Electroelasticity of Charged Black Branes [PDF]

open access: yes, 2013
We present the first-order corrected dynamics of fluid branes carrying higher-form charge by obtaining the general form of their equations of motion to pole-dipole order. Assuming linear response theory, we characterize the corresponding effective theory
Armas, Jay, Gath, Jakob, Obers, Niels A.
core   +2 more sources

Global real‐time dose measurements using the Automated Radiation Measurements for Aerospace Safety (ARMAS) system

open access: yes, 2016
The Automated Radiation Measurements for Aerospace Safety (ARMAS) program has successfully deployed a fleet of six instruments measuring the ambient radiation environment at commercial aircraft altitudes.
W. Tobiska   +21 more
semanticscholar   +1 more source

Hybrid coastal edges in the Neuquén Basin (Allen Formation, Upper Cretaceous, Argentina) [PDF]

open access: yes, 2015
The Allen Formation records the first Ingression Atlantic to the Neuquén Basin during the Late Cretaceous. The definition of lithofacies and facies associations interpretation for stratigraphic sections in Paso Córdoba and Salitral Moreno area, Río ...
Armas, María Paula   +1 more
core   +1 more source

Lesões provocadas por armas de fogo atendidas em serviços de urgência e emergência brasileiros

open access: yes, 2017
Resumo O artigo objetiva analisar os atendimentos de pessoas lesionadas por armas de fogo, em servicos de urgencia e emergencia brasileiros, em 2014.
Adalgisa Peixoto Ribeiro   +2 more
semanticscholar   +1 more source

La evolución del porte y tenencia legal de armas en Colombia [PDF]

open access: yes, 2021
En la historia de la humanidad, las personas han utilizado diferentes herramientas e instrumentos con la finalidad de ejercer un daño o una amenaza a la integridad física de otro ser, ya sea para cazar, para defenderse, para confrontamientos y peleas ...
Castellanos Rebolledo, Carolina
core   +1 more source

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