Results 61 to 70 of about 219,966 (234)

A modeling of the carbon-nitrogen cycle transport at Igap\'o I Lake - Londrina, Paran\'a, Brazil

open access: yes, 2010
This work is a contribution to better understand the effect that domestic sewage discharges may cause in a water body, specifically Igap\'o I Lake, in Londrina, Paran\'a, Brazil.
Cirilo, Eliandro Rodrigues   +3 more
core   +2 more sources

Determinación del comportamiento térmico de un invernadero espacial colombiano mediante dinámica de fluidos computacional

open access: yes, 2018
In Colombia, flower production takes place in greenhouses of different types and geometric shapes, but with the common feature of using natural ventilation for climate control.
Edwin Andres Villagran Munar   +2 more
semanticscholar   +1 more source

Avaliação de amidos modificados empregados na mineração para aplicação em fluidos de perfuração de poços de petróleo

open access: yesMatéria, 2019
RESUMO Amidos e seus derivados são utilizados em praticamente todos os setores industriais. Na indústria petrolífera podem ser empregados como aditivos controladores de filtrado, os quais controlam eficazmente a perda de fluido para a formação rochosa ...
Sarah Suelen Simões Silva   +3 more
semanticscholar   +1 more source

Hydrogen Permeation in Polyethylene: Effect of Crystallinity on Gas Transport Coefficients at Different Temperatures

open access: yesJournal of Polymer Science, Volume 64, Issue 3, Page 608-621, 1 February 2026.
Correlation of H2 permeability in semicrystalline polymers used as liners in Type IV composite tanks, versus temperature and crystallinity. ABSTRACT Semicrystalline polymers such as high‐density polyethylene (HDPE) are increasingly adopted as liners in compressed hydrogen storage tanks, due to low weight, easy processing, and high durability, together ...
Lorenzo Merlonghi   +3 more
wiley   +1 more source

Acoustic measurements of a liquefied cohesive sediment bed under waves [PDF]

open access: yesAdvances in Geosciences, 2014
In this article the response of a cohesive sediment deposit under the action of water waves is studied with the help of laboratory experiments and an analytical model.
R. Mosquera, V. Groposo, F. Pedocchi
doaj   +1 more source

Using a statistical efficiency methodology for predictors’ selection in the bedload transport problem: A high gradient experimental channel case

open access: yesAlexandria Engineering Journal, 2022
Bedload transport rates for high-gradient gravel bed rivers has been studied through a physical model that replicated the typical features of these channels.
Veronica Carrillo   +7 more
doaj   +1 more source

Diseño y propuesta de un plan de mercadeo orientado a la comercialización de productos sellados de fluidos para la empresa técnicas de fluidos [PDF]

open access: yes, 2011
Reseña de la empresa Técnica de Fluidos -- Historia y conceptos del sellado de fluidos -- Diagnóstico ...
Arbaiza Ojeda, Nelson Alexander   +2 more
core  

Global stability of stretched jets: conditions for the generation of monodisperse micro-emulsions using coflows

open access: yes, 2013
In this paper we reveal the physics underlying the conditions needed for the generation of emulsions composed of uniformly sized drops of micrometric or submicrometric diameters when two immiscible streams flow in parallel under the so-called tip ...
Campo-Cortés, Francisco   +2 more
core   +1 more source

Erótica dos fluidos masculinos em práticas sexuais coletivas

open access: yesEtnografica, 2019
A proposta de se levar a serio a maneira como a corporalidade e os fluidos corporais sao elementos significativos em determinados contextos ainda e relativamente recente na ciencia antropologica. Este artigo e uma contribuicao nesse sentido, na medida em
Victor Hugo de Souza Barreto
semanticscholar   +1 more source

FLUJO DE FLUIDOS [PDF]

open access: yes, 2017
GUÍA DE EVALUACIÓN DEL ...
MARTIN DEL CAMPO LOPEZ EDUARDO   +1 more
core   +1 more source

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