Results 71 to 80 of about 5,145,048 (246)

Hydrodynamics of Sakai-Sugimoto model in the quenched approximation

open access: yes, 2006
We study transport properties of the finite temperature Sakai-Sugimoto model. The model represents a holographic dual to 4+1 dimensional supersymmetric SU(N_c) gauge theory compactified on a circle with anti-periodic boundary conditions for fermions ...
Aharony   +22 more
core   +1 more source

Research on the Coupling of Public Space Morphology and Summer Wind Environment in Qingdao’s Urban Villages

open access: yesBuildings
With the development of modern cities, people’s living environment requirements are constantly improving. Urban villages in the Qingdao area, as a key area for urban renewal, are affected by the sea breeze and have a warm and humid climate in summer ...
Hui Fang, Tongbo Yang, Peng Dai
doaj   +1 more source

Generation of Magnetic Fields in the Relativistic Shock of Gamma-Ray-Burst Sources

open access: yes, 1999
We show that the relativistic two-stream instability can naturally generate strong magnetic fields with 1e-5 - 1e-1 of the equipartition energy density, in the collisionless shocks of Gamma-Ray-Burst (GRB) sources.
Loeb, Abraham, Medvedev, Mikhail V.
core   +1 more source

Uso de la morfometría de las mandíbulas de cefalópodos en estudios de contenido estomacal Use of morphometry of cephalopod beaks in stomach content studie

open access: yesLatin American Journal of Aquatic Research, 2011
La sistemática y taxonomía de cefalópodos del mar de Chile, sigue siendo escasa e incompleta. Muchas especies, raramente son capturadas por métodos convencionales, y regularmente son colectadas de estómagos de depredadores.
Marco Antonio Vega
doaj  

Measuring urban growth dynamics: A study in Hue city, Vietnam

open access: yesOpen Geosciences
The proliferation of urban sprawl has emerged as a prevalent occurrence in response to the rapid expansion of the worldwide population. The objective of this study is to determine the level of freedom for urban expansion using Pearson’s Chi-square (χ2 ...
Tran Tuan Nguyen
doaj   +1 more source

Axiomatic geometrical optics, Abraham-Minkowski controversy, and photon properties derived classically

open access: yes, 2012
By restating geometrical optics within the field-theoretical approach, the classical concept of a photon (and, more generally, any elementary excitation) in arbitrary dispersive medium is introduced, and photon properties are calculated unambiguously. In
A. Bers   +22 more
core   +2 more sources

Comparison of linear mixed models for genetic feather score analysis in laying hens kept in recurrent testing facilities

open access: yesPoultry Science
Feather pecking, related feather damage, and mortality are crucial welfare and efficiency traits in laying hens. When individuals are kept in sib groups, genetic analysis of feather scores captures the performer and receiver components of feather damage ...
T. Osorio-Gallardo, P. Bijma
doaj   +1 more source

National and international income dispersion and aggregate expenditures [PDF]

open access: yes
We examine linkages between aggregate household income, distribution of that income, and aggregate cross-country expenditure patterns. We are able to decompose income effects into international income dispersion effects (from variations in average income)
Carmen Fillat, Joseph Francois
core  

Price Level Convergence and Inflation in Europe [PDF]

open access: yes
Consumer price inflation in the euro area declined steadily during most of the 1990s. However, in the last two years, both headline and core inflation have risen throughout the area, and sizable cross-country differences in inflation have re-emerged ...
Erika Wada   +2 more
core  

Modeling of indicators for controlling internal dilution in Cuban nickel and cobalt deposits

open access: yesMinería y Geología, 2019
The intercalations of ameniferous material within the meniferous horizon of the ferronickel deposits are the main cause of the internal dilution, which causes a low industrial efficiency.
Lázaro Fernández-Martínez   +2 more
doaj  

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