Results 61 to 70 of about 2,590,573 (329)

Synthesis of silver nanoparticles using a Mentha spicata extract and evaluation of its anticancer and cytotoxic activity [PDF]

open access: yesPeerJ, 2019
In this study, silver nanoparticles (NP) were synthesized by two methods: using an aqueous extract of Mentha spicata leaves and using citrate ions as stabilizing agent, and the cytotoxicity and anticancer activity of both NP were evaluated in vitro.
Yuridia Torres-Martínez   +7 more
doaj   +2 more sources

Modelos contables alternativos [PDF]

open access: yes, 1997
Fil: Catrina, Edgardo Daniel. Universidad Nacional de Cuyo.
Catrina, Edgardo Daniel
core  

Migration, Repression and Homosexual Sociability in Francoist Spain: An Analysis of the Case Files of the Special Courts of Barcelona (1965–1975)

open access: yesGender &History, EarlyView.
ABSTRACT In Spain, under General Franco's regime, homosexuality was regarded as an antisocial and dangerous behaviour. It was thus pursued both by the police and judicial courts. The Law on Vagrants and Crooks (1954) and, subsequently, the Law on Dangerousness and Social Rehabilitation (1970) constituted the legal mechanisms used by the dictatorship to
Jordi Mas Grau, Rafael Cáceres‐Feria
wiley   +1 more source

La asociación entre la composición corporal, la actividad física, y la imagen corporal en modelos y controles costarricenses [PDF]

open access: yes, 2019
Although traditionally creative and critical thinking have been viewed as independent skills and dispositions, several commenters have argued that both modes of thoughts can be complementary.
TSAI, Kuan-Chen
core   +2 more sources

ORCHESTRATING DIFFERENCE AND SIMILARITY: Black Fungibility, and the Spatial Redrawing of Racial Categories in Spanish Colonial Morocco, Sahara and Guinea

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract In this article I dissect the spatial strategies through which the Spanish attempted to orchestrate both racial difference and similarity in the African colonies of Morocco, Western Sahara and Equatorial Guinea during the first half of the twentieth century.
Pol Fité Matamoros
wiley   +1 more source

Predicción de módulos resilientes en mezclas asfálticas mediante el modelo de Witczak

open access: yesInfraestructura Vial, 2012
Este trabajo presenta un método simplificado para el cálculo del módulo de mezclas bituminosas, utilizando resultados básicos de pruebas de laboratorio e información general de los materiales.
Fabian Elizondo Arrieta   +2 more
doaj  

Practical application of stereological kidney methods in experimental animal models

open access: yesNefrología (English Edition), 2017
The kidneys are vital organs responsible for excretion, fluid and electrolyte balance and hormone production. The nephrons are the kidney's functional and structural units.
María Teresa Fernández García   +7 more
doaj   +1 more source

Modelos hierárquicos lineares.

open access: yesEstudos em Avaliação Educacional, 2001
<span style="font: 13px/normal verdana, arial; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; float: none; display: inline !important; white-space: normal; background-color: #ffffff;">O artigo mostra que estruturas hierárquicas de dados são encontradas freqüentemente em diversos estudos e que ...
openaire   +4 more sources

Modelos pedagógicos de ensino superior a distância [PDF]

open access: yes, 2013
No Brasil, vislumbra-se que uns dos desafios postos aos Modelos Pedagógicos de Educação a Distância no ensino superior, é transcender do discurso de Modelos com potencialidades voltadas à interação e à colaboração pedagógica virtuais para a prática ...
Angotti, José André Peres   +2 more
core  

Wittgenstein, constructor de modelos [PDF]

open access: yes, 2011
Wittgenstein siempre practicó la filosofía como una actividad esclarecedora de las condiciones conceptuales del significado lingüístico. En la primera parte del artículo se trata de probar el papel relevante que Wittgenstein dio al uso de modelos como ...
Marrades Millet, Julián
core   +3 more sources

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