Results 91 to 100 of about 138,783 (229)

Acumulação de metais pesados pelo uso de insumos agrícolas na microbacia de Caetés, Paty do Alferes, RJ. [PDF]

open access: yes, 2017
O município de Paty do Alferes, localizado na região serrana do Estado do Rio de Janeiro, inserido no bioma Mata Atlântica e com declividade de até 50%, tem exclusivamente a horticultura, com uso intensivo de insumos, como atividade econômica (40% de ...
AMARAL SOBRINHO, N. M. B.   +3 more
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Comparison of Wear Rate between Ceramic-on- Ceramic, Metal on Highly Cross-linked Polyethylene, and Metal-on-Metal Bearings

open access: yesRevista Brasileira de Ortopedia
Objective Currently, there is a lack of evidence on the medium-term follow-up of cementless total hip arthroplasty (THA) using metal on highly cross-linked polyethylene (MoP), ceramic-on-ceramic (CoC), and metal-on-metal (MoM) bearings.
Yoshitoshi Higuchi   +5 more
doaj   +1 more source

Study of wet precipitation and its chemical composition in South of Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2008
The purpose of this study is to analyze the chemical composition of wet precipitation in samples collected at three stations in the Candiota region in the Brazilian state of Rio Grande do Sul (RS). Samples were collected in 2004.
Elba C. Teixeira   +4 more
doaj   +1 more source

Electricity, Highways and Manufacturing Growth: A Cost Based Estimate [PDF]

open access: yes
This paper studies the rqle of electricity and highways on the Mexican manufacturing sector. The paper uses a weighted aggregate in put of labor and capital (with weights equal to their share in costs) and a weighted measure of infrastructure to estimate
Alejandro Castañeda Sabido
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Efeito do período de incubação e de doses de composto de lixo urbano na disponibilidade de metais pesados em diferentes solos. [PDF]

open access: yes, 2011
Resumo – O uso do composto de lixo nas lavouras constitui alternativa econômica e ambiental viável, por ser fonte considerável de nutrientes e matéria orgânica.
BERGAMASCO, A. F.   +3 more
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Stratégie de rupture basée sur des innovations radicales : Etude du cas de l'entreprise Salomon à la lumière de ses compétences et capacités organisationnelles [PDF]

open access: yes
This paper concentrates on the analysis of organizational resources, competencies and capabilities as well as on the organizational architectures which facilitate their acquisition and use.
METAIS, Emmanuel, MOINGEON, Bertrand
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Metallic film diffusion for boundary lubrication Patent [PDF]

open access: yes, 1967
Metallic film diffusion for boundary lubrication in aerospace ...
Buckley, D. H., Johnson, R. L.
core   +2 more sources

Growth Models and Models of Turbulence : A Stochastic Quantization Perspective

open access: yes, 2005
We consider a class of growth models and models of turbulence based on the randomly stirred fluid. The similarity between the predictions of these models, noted a decade earlier, is understood on the basis of a stochastic quantization scheme.Comment: 3 ...
Bhattacharjee   +29 more
core   +1 more source

Percepção de risco: estudo com trabalhadores de um estaleiro expostos a metais

open access: yesCadernos de Saúde Coletiva, 2019
Resumo Introdução Periculosidade e insalubridade são características do processo de trabalho em um estaleiro. Objetivo Conhecer a percepção que trabalhadores de um estaleiro tinham sobre riscos a que estavam expostos, especialmente os relacionados a ...
Ana Lídia Miranda   +3 more
doaj   +1 more source

Introdución á química de coordinación [PDF]

open access: yes, 2010
Titulación: Grao en Enxeñaría Técnica Industrial. Especialidade en Química Industrial -- Materia: Química Inorgánica IIEsta unidade didáctica pecha un conxunto de temas destinados a conceptos básicos da materia, encadrados no Bloque I, e abórdase ...
Fondo Busto, María Matilde   +1 more
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