Results 91 to 100 of about 5,017,667 (342)

Non Singular Origin of the Universe and the Cosmological Constant Problem (CCP)

open access: yes, 2011
We consider a non singular origin for the Universe starting from an Einstein static Universe in the framework of a theory which uses two volume elements $\sqrt{-{g}}d^{4}x$ and $\Phi d^{4}x$, where $\Phi $ is a metric independent density, also curvature,
Banerjee A.   +5 more
core   +1 more source

Financeirização: conceitos, experiências e a relevância para o campo do planejamento urbano brasileiro

open access: yes, 2017
Este artigo apresenta uma sistematizacao da literatura internacional e nacional acerca do fenomeno da financeirizacao e analisa a relevância do debate para o campo de planejamento urbano-metropolitano, priorizando as questoes brasileiras.
J. Klink, M. B. D. Souza
semanticscholar   +1 more source

An unusual titanosaur axis from the Upper Cretaceous of Brazil and its significance for sauropod anatomy and systematics

open access: yesThe Anatomical Record, EarlyView.
Abstract The Upper Cretaceous São José do Rio Preto Formation (Bauru Group, southeastern Brazil) has yielded a fragmentary but taxonomically diverse record of titanosaur sauropods, although elements from cervical series remain scarce. Here, we describe a nearly complete sauropod axis from the Vila Ventura Paleontological Area, representing an uncommon ...
Bruno A. Navarro   +7 more
wiley   +1 more source

A cidade e os canaviais: Estado e capital na produção social do espaço – Goianésia, Goiás

open access: yesRevista IDEAS, 2010
Na produção social do espaço capitalista, Estado e capital são os típicos agentes do processo. Pretende-se apreender esta produção numa perspectiva que coaduna campo e cidade a partir da importância representada pelo Complexo Agroindustrial Canavieiro no
Glauber Lopes Xavier
doaj  

Uso de agrotóxicos e produção agroecológica: percepção de estudantes secundaristas de uma escola do campo

open access: yesRevista NERA, 2019
O processo produtivo agrícola brasileiro torna-se cada vez mais dependente do uso dos agrotóxicos. No ano de 2009, o Brasil alcançou o posto de maior consumidor mundial desses produtos.
Denilson Manfrin Goes   +1 more
doaj   +1 more source

Quantum dynamics in a time-dependent cylindrical trap

open access: yes, 2013
Solutions to the Schr\"{o}dinger equation are examined for a particle inside a cylindrical trap of a circular time-dependent cross-section. Analytical expressions for energy and momentum expectation values are derived with respect to the exact solutions;
Arfken   +27 more
core   +1 more source

Over the edge: Empirical evidence for the cliff‐edge model of obstetric selection

open access: yesThe Anatomical Record, EarlyView.
Abstract The cliff‐edge model of obstetric selection maintains that larger neonates and smaller birth canals confer a positive selective advantage until labor becomes obstructed and vaginal delivery is no longer possible, eliciting an abrupt reduction in fitness.
Laura M. Watson   +6 more
wiley   +1 more source

HISTÓRIA DA EDUCAÇÃO DO CAMPO NO BRASIL: O PROTAGONISMO DOS MOVIMENTOS SOCIAIS

open access: yes, 2017
E fundamental conhecermos os principios desenvolvidos pelos movimentos sociais no que toca a luta Por Uma Educacao do Campo e a educacao brasileira na contemporaneidade.
Ramofly Bicalho Santos
semanticscholar   +1 more source

Hepatic morphology and serum biochemical profile according to dry and rainy seasons in Pygocentrus nattereri (Characiformes: Serrasalmidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract This study investigated the physiological and morphological adaptations of the liver of the carnivorous fish Pygocentrus nattereri (piranha) in response to seasonal variations (dry and rainy seasons) in the Brazilian Pantanal. The objective was to describe how the liver, a central organ in metabolic regulation, responds to environmental ...
Maria Eduarda Corona Garcia   +9 more
wiley   +1 more source

Habitus y práctica en la Escuela de Rehabilitación Humana de la Universidad del Valle desde la concepción de Bourdieu

open access: yesOcupación Humana, 1999
Este trabajo tiene el propósito de hacer una mirada retrospectiva y analizar desde la perspectiva de la teoría de Bourdieu las razones por las cuales se presentó la conformación de la Escuela de Rehabilitación Humana de la Universidad del Valle.
Aida Josefina Rojas, María Helena Rubio
doaj  

Home - About - Disclaimer - Privacy