Results 131 to 140 of about 513,177 (283)

Para além do pensamento abissal: das linhas globais a uma ecologia de saberes

open access: yes, 2007
In the first part of the essay, the author states that the "abyssal" cartographical lines that used to demarcate the Old and the New World during colonial times are still alive in the structure of modern occidental thought and remain constitutive of the ...
B. S. Santos
semanticscholar   +1 more source

Set of bilateral and radial symmetry shape descriptor based on contour information

open access: yesIET Computer Vision, 2017
Form and shape descriptors are among the most useful features for object identification and recognition. Even though there exists a widely used set of shape descriptors and underlying computational methods for their evaluation, frequently they fail to ...
Natalia V. Revollo   +2 more
doaj   +1 more source

Synthesis and Characterization of Hybrid-Magnetic Nanoparticles and Their Application for Removal of Arsenic from Groundwater

open access: yesThe Scientific World Journal, 2013
Multiwall carbon nanotubes (MWCNTs) were oxidized with different agents and a characterization study was carried out. Then, hybrid-magnetic nanoparticles (HMNPs) were synthesized as iron oxide supported on the selected multiwalled carbon nanotubes ...
Marta A. Bavio, Adriana G. Lista
doaj   +1 more source

Anchoring Equitable Development: Anchor Institute-Led Models of Housing and Community Development to Strengthen Institutions and Communities [PDF]

open access: yes, 2016
In April 2014, a convening of national housing equity experts was hosted in Jacksonville, Florida by the Jessie Ball duPont Fund. The convening's purpose was to gain insight from national stakeholders on affordable housing and equitable development ...
Jason Reece   +2 more
core  

A EVASÃO UNIVERSITÁRIA: UMA ANÁLISE ALÉM DOS NÚMEROS

open access: yes, 2017
Nos ultimos anos a evasao no ensino superior publico no Brasil tem tomado grandes proporcoes e, consequentemente, tem sido alvo de diversos estudos.
Nathália Prochnow Nagai   +1 more
semanticscholar   +1 more source

Dramatizar la ciencia: Copérnico y su teoría heliocéntrica

open access: yesRevista de Enseñanza de la Física, 2021
La propuesta didáctica de intervención que se presenta en este trabajo se desarrolló en una institución educativa de nivel secun-dario con estudiantes que se encontraban cursando la asignatura Ciencias Naturales del primer año de educación secundaria ...
María Paula Pelaez   +1 more
doaj  

Integrated source and channel encoded digital communication system design study [PDF]

open access: yes
The particular Ku-band carrier, PN despreading, and symbol synchronization strategies, which were selected for implementation in the Ku-band transponder aboard the orbiter, were assessed and evaluated from a systems performance viewpoint, verifying that ...
Alem, W. K., Huth, G. K., Simon, M. K.
core   +1 more source

Encuentro de Estudiosos del Folklore [PDF]

open access: yes, 1985
Declárase de interés nacional el Encuentro de estudiosos del Folklore, artesanías e indigenismo de la Patagonia que se realizará entre el 10 y el 17 de noviembre de 1985 en la ciudad de Alem, provincia de Rio ...
Alconada Aramburu, Carlos [Ministro]
core   +1 more source

Evaluation of greenhouse gas emissions and design of mitigation options: A whole farm approach based on farm management data and mechanistic models [PDF]

open access: yes, 2008
Agricultural activities are important sources of atmospheric nitrous oxide (N2O), methane (CH4), and carbon dioxide (CO2). In the European Union, the agricultural sector contributes approximately 10% of the total emitted greenhouse gases (GhG). We search
Blanfort, Vincent   +8 more
core  

Home - About - Disclaimer - Privacy