Results 111 to 120 of about 87,024 (209)

A numerical study of the formation of magnetisation plateaus in quasi one-dimensional spin-1/2 Heisenberg models

open access: yes, 2000
We study the magnetisation process of the one dimensional spin-1/2 antiferromagnetic Heisenberg model with modulated couplings over j=1,2,3 sites. It turns out that the evolution of magnetisation plateaus depends on j and on the wave number q of the ...
Fledderjohann, A.   +3 more
core   +2 more sources

Perfil sócio-econômico dos alunos da creche Irmã Anísia Rocha da cidade de Sobral, CE no ano de 2005. [PDF]

open access: yes, 2019
O estudo é parte do projeto "Manipulação de constituintes e prospecção de propriedades funcionais do leite de cabra" financiado pelo Macroprograma 2 da Embrapa e, liderado pela Embrapa Caprinos, que teve objetivo geral: Conhecer o efeito de estratégias ...
AMICI, M. R.   +2 more
core  

Quasi-periodic spin chains in a magnetic field

open access: yes, 2001
We study the interplay between a (quasi) periodic coupling array and an external magnetic field in a spin-1/2 XXZ chain. A new class of magnetization plateaux are obtained by means of Abelian bosonization methods which give rise to a sufficient ...
A. K. Kolezhuk   +33 more
core   +1 more source

Site-centered impurities in quantum spin chains

open access: yes, 2001
The magnetic behavior of antiferromagnetic spin 1/2 chains with site-centered impurities in a magnetic field is investigated. The effect of impurities is implemented by considering different situations of both diagonal and off-diagonal disorder.
Pujol, P., Rech, J.
core   +2 more sources

Evaluación bacteriológica de la leche y queso de cabra distribuidos en el Area Metropolitana de San José, Costa Rica

open access: yesArchivos Latinoamericanos de Nutrición
En los últimos años, se ha dado en Costa Rica y a nivel mundial, una creciente producción, industrialización y consumo de la leche de cabra y sus derivados.
Viviana Araya   +4 more
doaj  

Evaluación bacteriológica de la leche y queso de cabra distribuidos en el Area Metropolitana de San José, Costa Rica

open access: yesArchivos Latinoamericanos de Nutrición, 2008
En los últimos años, se ha dado en Costa Rica y a nivel mundial, una creciente producción, industrialización y consumo de la leche de cabra y sus derivados.
Viviana Araya   +4 more
doaj  

La cabra criolla santandereana

open access: yesSpei Domus
The Santanderean Creole Goat represents a valuable zoogenetic resource adapted to the semi-arid conditions of the Chicamocha Canyon in Colombia. This outreach article examines its productive traits, health challenges---particularly gastrointestinal parasitism caused by nematodes---and sustainable management strategies.
Nelson Cala Moreno   +3 more
openaire   +1 more source

La cabra

open access: yes, 1980
És una versió del poema XXIX de Los pasos del cazador.
openaire   +1 more source

Pie de cabra

open access: yes, 2011
[ES] Definición del término Pie de cabra en el diccionario Dicter. [EN] Definition of the word Pie de cabra in the dictionary Dicter.
openaire   +1 more source

Recalcitrant psoriasis responding to new bilogic drug: Ustekinumab

open access: yesAnnals of Saudi Medicine, 2013
Husein Husein-ElAhmed   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy