Results 81 to 90 of about 87,024 (209)

Strong consumer data protection can be a disruptive innovation [PDF]

open access: yes, 2017
Apparent consumer disinterest in privacy may result precisely from a lack of options, writes Francisco Costa ...
Costa-Cabral, Francisco
core  

Thermal transport of the XXZ chain in a magnetic field

open access: yes, 2005
We study the heat conduction of the spin-1/2 XXZ chain in finite magnetic fields where magnetothermal effects arise. Due to the integrability of this model, all transport coefficients diverge, signaled by finite Drude weights. Using exact diagonalization
A. Honecker   +10 more
core   +1 more source

Qualidade microbiológica de leite UHT caprino: pesquisa de bactérias dos gêneros Staphylococcus, Bacillus e Clostridium Microbiological quality of UHT goat milk: research of bacteria Staphylococcus, Bacillus and Clostridium genus

open access: yesCiência Rural, 2008
Com o objetivo de avaliar a qualidade microbiológica do leite UHT caprino, 100 amostras provenientes das regiões Sul e Sudeste do país foram analisadas através do isolamento e da identificação de bactérias do gênero Staphylococcus sp., Bacillus sp.
Juliano Vittori   +7 more
doaj   +1 more source

A Strong-Coupling Approach to the Magnetization Process of Polymerized Quantum Spin Chains

open access: yes, 1998
Polymerized quantum spin chains (i.e. spin chains with a periodic modulation of the coupling constants) exhibit plateaux in their magnetization curves when subjected to homogeneous external magnetic fields.
A. A. Zvyagin   +25 more
core   +1 more source

Magnetization Plateaux in Random Frustrated S=1/2 Heisenberg Chains [PDF]

open access: yes, 2002
The $S=1/2$ frustrated Heisenberg chains with bond alternation is known to exhibit a magnetization plateau at half of the saturation magnetization $\Ms$ accompanied by the spontanuous translational symmetry breakdown.
Hida, Kazuo   +2 more
core   +4 more sources

Indução da ovulação em cabras, fora da estação reprodutiva, com LH e GnRH e com estro induzido por progestágenos Induction of the out-of-season ovulation (with LH and GnRH) and estrus (with progesterone) in goats

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2006
Quarenta e cinco cabras foram sincronizadas com o uso de esponjas intravaginais impregnadas com 60mg de acetato de medroxiprogesterona (MAP) por nove dias, associadas com 200UI de gonadotrofina coriônica equina (eCG) e 37,5µg de cloprostenol no ...
P.A.G. Leite   +5 more
doaj   +1 more source

Doping Induced Magnetization Plateaus [PDF]

open access: yes, 1999
The low temperature magnetization process of antiferromagnetic spin-S chains doped with mobile spin-(S-1/2) carriers is studied in an exactly solvable model.
A. Fledderjohann   +35 more
core   +3 more sources

Milk composition during duodenal infusion of conjugated linoleic acid in dairy goats fed diets with different C18:2/C18:1 ratios

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2011
O efeito do t10,c12-C18:2 na produção de leite e no perfil em ácidos graxos (AG) da gordura do leite foi estudado em oito cabras que receberam t10,c12-C18:2 por infusão duodenal (ácido linoléico conjugado -CLA, 2g/10 h) durante três dias, seguido por ...
Ph Schmidely, P.V.D Andrade
doaj   +1 more source

Diagnosing order by disorder in quantum spin systems [PDF]

open access: yes, 2014
In this paper we study the frustrated J1-J2 quantum Heisenberg model on the square lattice for J2 > 2J1, in a magnetic field. In this regime the classical system is known to have a degenerate manifold of lowest energy configurations, where standard ...
Cabra, D. C.   +3 more
core   +4 more sources

Alimentación de las cabras

open access: yes, 2022
Fil: Triadani, Carlos Omar E. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Manfredi.
Triadani, Carlos Omar Enrique   +2 more
openaire   +1 more source

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