Results 61 to 70 of about 11,883,729 (239)

El entorno familiar en procesos de aprendizaje en niños de educación inicial: Caso Escuela de Educación Básica Daniel Villacreses Aguilar del Cantón Portoviejo

open access: yesEducare, 2022
El siguiente artículo es producto de una investigación, la cual tuvo como propósito analizar el entorno familiar y su influencia en el proceso de aprendizaje de los niños del subnivel 2 de Educación Inicial de la Escuela de Educación Básica Daniel ...
Diana Verónica Mejia Naranjo   +1 more
doaj   +1 more source

Silicon-induced increase in chlorophyll is modulated by the leaf water potential in two water-deficient tomato cultivars

open access: yesPlant, Soil and Environment, 2012
This study aims to explain the effects of silicon on chlorophyll and to measure gas exchange and carbohydrate levels in two Lycopersicon esculentum cultivars that are exposed to drought.
O.N. Silva   +11 more
doaj   +1 more source

A Divide-and-Conquer Solver for Kernel Support Vector Machines [PDF]

open access: yes, 2013
The kernel support vector machine (SVM) is one of the most widely used classification methods; however, the amount of computation required becomes the bottleneck when facing millions of samples.
Dhillon, Inderjit S.   +2 more
core   +1 more source

English Analysis of the Colombian conflict through the photograph of Jesús Abad Colorado.

open access: yesCuadernos Latinoamericanos de Administración, 2020
Este artículo informa sobre un reporte de caso que examinó el uso de la fotografía como método pedagógico para la formación en derechos humanos. A través de una serie de piezas del fotógrafo Jesús Abad Colorado un grupo de 17 participantes señalaron sus ...
Claudia Briceño Candia   +2 more
doaj   +1 more source

Efecto del estrés hídrico en poblaciones nativas de tomate mexicano

open access: yesEcosistemas y Recursos Agropecuarios, 2021
Existe la necesidad de utilizar el agua de manera eficaz y eficiente, porque la disponibilidad del agua es escasa y es el principal factor limitante de la producción agrícola.
Ramiro Maldonado-Peralta   +3 more
doaj   +1 more source

Introduction [PDF]

open access: yes, 2015
This is the Introduction and Table of Contents for the ...

core   +1 more source

Thermoelectric transport in strained Si and Si/Ge heterostructures

open access: yes, 2012
The anisotropic thermoelectric transport properties of bulk silicon strained in [111]-direction were studied by detailed first-principles calculations focussing on a possible enhancement of the power factor.
Bass J M   +13 more
core   +1 more source

Quantitative analysis of the polyphase MRT results in differential diagnosis of metastatic liver lesions associated with malignant tumours in the rectum and in the pancreas

open access: yesУчёные записки Санкт-Петербургского государственного медицинского университета им. Акад. И.П. Павлова, 2013
In our study 57 metastatic liver lesions (37 of colorectal and 20 of pancreatic etiology) were examined using high field MR-system (1,5 T). During this investigation quantitative MRI analysis of dynamic contrast enhancement of the hepatic lesions was ...
Y. N. Savchenkov   +4 more
doaj   +1 more source

Food poisoning due to yam flour consumption in Kano (Northwest) Nigeria [PDF]

open access: yes, 2009
Food poisoning is known to occur sporadically from time to time due to poor hygienic preparations. Its occurrence rarely assumes epidemic proportion. The objective was to report the occurrence of food poisoning due to yam flour among three families which
Adeleke, SI
core   +1 more source

Probing spin-charge separation using spin transport

open access: yes, 2000
Pedagogical discussions are given on what constitutes a signature of spin-charge separation. A proposal is outlined to probe spin-charge separation in the normal state of the high $T_c$ cuprates using spin transport.
Anderson   +16 more
core   +3 more sources

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